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The same page content and links, with explicit tool capabilities. Tools marked with an API can run directly through HTTP. Other tools require the browser interface or are not connected yet.
Page guide
Convert files, tidy text, and get things done.
Free tools. No account needed.
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Unit converters
Subtitle tools
Audio & video
Archive tools
Document tools
Network tools
Website tools
Email tools
Spreadsheet tools
Accessibility
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Student tools
Maps & coordinates
Maker tools
Device tests
Font tools
Add line numbers
Number each line, starting at 1.
Add prefix suffix
Add a prefix or suffix to every line.
Alternating case
Alternate lowercase and UPPERCASE letters.
Bold text
Turn letters and digits into bold Unicode characters.
Bubble text
Turn Latin letters and digits into circled characters.
Camel case
Turn words into a camelCase identifier.
Case converter
Switch your text between six capitalization styles.
Character counter
Count visible characters, words, lines and UTF-8 bytes.
Comma separated list
Turn nonempty lines into a comma-separated list.
Compare text
Compare two versions of text, line by line.
Dot case
Join lowercase words.with.dots.
Duplicate word finder
List repeated words and how often they appear.
Emoji picker
Find emoji by an English name or keyword.
Extract emails
Find unique email-like addresses in pasted text.
Extract phone numbers
Find possible phone numbers in pasted text.
Extract urls
Find unique HTTP and HTTPS links in pasted text.
Filter lines
Keep or remove lines containing a phrase.
Find and replace
Replace every exact match with your chosen text.
HTML to markdown
Convert HTML markup into Markdown.
HTML to text
Extract readable plain text from HTML markup.
Indent text
Add spaces at the start of every line.
Invert case
Swap uppercase letters to lowercase and back.
Italic text
Turn Latin letters into italic Unicode characters.
Join text
Join lines with a separator of your choice.
Kebab case
Join lowercase words-with-hyphens.
Line counter
Count all lines and nonempty lines in your text.
List combinations
Generate every combination from groups of items.
Lorem ipsum
Generate placeholder paragraphs for layout testing.
Lowercase
Convert text to lowercase as you type.
Markdown to HTML
Convert Markdown into HTML source.
Morse code translator
Translate letters and digits to or from Morse code.
Number to words
Write a whole number in English words.
Online notepad
Write plain-text notes and download a copy.
Paragraph counter
Count paragraphs separated by blank lines.
Pascal case
Turn words into a PascalCase identifier.
Randomize list
Shuffle lines into a random order.
Reading time
Estimate reading time at your chosen pace.
Remove diacritics
Remove combining accents from text.
Remove duplicate lines
Remove repeated lines while keeping their first occurrence.
Remove empty lines
Remove blank and whitespace-only lines.
Remove extra spaces
Tidy repeated spaces without losing line breaks.
Remove formatting
Copy pasted content as plain text.
Remove line breaks
Replace each line break with a space.
Remove line numbers
Remove common numeric prefixes from lines.
Remove punctuation
Remove Unicode punctuation from your text.
Repeat text
Repeat text with a separator between copies.
Reverse text
Reverse the order of visible characters.
Sentence case
Capitalize the start of each sentence.
Sentence counter
Count sentences using English text segmentation.
Slug generator
Create a lowercase, hyphen-separated slug.
Small text
Convert supported letters into small-cap Unicode characters.
Snake case
Join lowercase words_with_underscores.
Sort lines
Sort lines alphabetically or in natural number order.
Speaking time
Estimate speaking time at your chosen pace.
Split text
Split text at an exact separator, placing each part on a new line.
Strikethrough text
Add a strikethrough mark to visible characters.
Subscript
Convert supported letters into subscript Unicode.
Superscript
Convert supported letters into superscript Unicode.
Tabs to spaces
Replace each tab with a fixed number of spaces.
Text to image
Create an SVG image from your text.
Title case
Capitalize each word in your text.
Trim text
Remove spaces from the start and end of each line.
Underline text
Add combining underlines to non-whitespace characters.
Uppercase
Convert text to UPPERCASE as you type.
Upside-down text
Flip text into an upside-down Unicode style.
Wide text
Convert basic Latin characters to fullwidth Unicode.
Word counter
Count words, characters and lines as you type.
Word frequency
Count word occurrences, starting with the most frequent.
Wrap text
Wrap text at word boundaries.
Add image border
Add a solid border without covering your image.
Adjust brightness
Make an image lighter or darker.
Adjust image contrast
Adjust the contrast between light and dark areas.
Adjust image saturation
Make colors more vivid or turn them down.
AI image generator
Generate a 512 × 512 image using a local Tiny SD model on this server.
Apng to GIF
Convert APNG files to GIF with the available format settings.
AVIF to JPG
Convert a AVIF image to JPG in your browser.
AVIF to PNG
Convert a AVIF image to PNG in your browser.
Base64 to image
Validate data URI and actual image signature.
Blur image
Apply a blur to an image.
Bulk resize images
Resize a batch of photos and download one ZIP.
Circle crop image
Crop a centered circle and download a transparent PNG.
Compress GIF
Reduce an animated GIF’s colour palette while preserving frame timing.
Compress image
Reduce an image’s file size with adjustable quality and format.
Compress image to 100kb
Create a smaller image with a target size of 100 KB.
Crop image
Crop a rectangular area from your image.
DPI converter
Change print-resolution metadata.
Extract GIF frames
Download a GIF’s frames and timing information as a ZIP.
Flip image
Flip an image horizontally or vertically.
GIF maker
Combine matching-size images into an animated GIF.
GIF to MP4
Convert GIF files to MP4 with the available format settings.
Grayscale image
Turn a color image into grayscale.
HEIC to JPG
Convert HEIC files to JPG with the available format settings.
HEIC to PNG
Convert HEIC files to PNG with the available format settings.
HTML to image
Isolated rendering, viewport selection and remote-resource limits.
Image to base64
Data-URI versus raw Base64 output.
Image to text
Read text from an image using local OCR.
Invert image
Invert the colors in an image.
JPG to AVIF
Convert JPG files to AVIF with the available format settings.
JPG to PNG
Convert a JPG image to PNG in your browser.
JPG to WEBP
Convert a JPG image to WEBP in your browser.
Meme generator
Add a caption to an image.
Merge images
Combine multiple images into one image.
Photo denoiser
Reduce colour noise in a photo with adjustable strength.
Photo to line drawing
Create an edge-based line drawing from an image.
Pixelate image
Turn an image into blocks of color.
PNG to ico
Convert an image into an ICO icon.
PNG to JPG
Convert a PNG image to JPG in your browser.
PNG to SVG
Trace a PNG into editable vector shapes.
PNG to WEBP
Convert a PNG image to WEBP in your browser.
Product photo background
Replace a product photo’s background with a solid colour.
Remove background
Remove an image background and export a transparent PNG.
Remove metadata
Create a fresh image copy without the original embedded metadata.
Remove object
Fill a selected rectangular image area using nearby pixels.
Resize GIF
Resize every GIF frame to your chosen width.
Resize image
Resize an image to the dimensions you need.
Restore old photo
Reduce noise and improve contrast in an old photo.
Rotate image
Turn an image by 90, 180, or 270 degrees.
Round image corners
Give an image rounded corners with a transparent background.
Sepia image
Give your photo a warm sepia tint.
Sharpen image
Make edges clearer with adjustable sharpening.
Split image
Split an image into smaller tiles.
SVG to PNG
Convert a SVG image to PNG in your browser.
Threshold image
Convert an image to pure black and white.
Upscale image
Enlarge an image with high-quality Lanczos resampling.
Video to GIF
Turn a short video section into an animated GIF.
Watermark image
Add a text watermark to your image.
WEBP to GIF
Convert WEBP files to GIF with the available format settings.
WEBP to JPG
Convert a WEBP image to JPG in your browser.
WEBP to PNG
Convert a WEBP image to PNG in your browser.
Add page numbers
Add page numbers to a PDF.
Alternate merge PDF
Combine front and back scans in alternating order.
Annotate PDF
Add visible text to a PDF page.
Bates number PDF
Add a unique reference number to every PDF page.
Compare PDF
Compare the extracted text of two PDFs page by page.
Compress PDF
Rewrite PDF objects and streams to reduce avoidable file overhead.
Create PDF form
Create a PDF with fillable text fields.
Crop PDF
Change the visible margins of selected PDF pages.
Delete pages
Remove selected pages from a PDF copy.
Extract pages
Create a PDF containing the pages you select.
Extract PDF images
Extract embedded raster images from a PDF into a ZIP.
Fill PDF
Fill existing PDF form fields with values you provide.
Flatten PDF
Make filled PDF form values part of the page content.
HEIC to PDF
Convert HEIC files to PDF with the available format settings.
JPG to PDF
Combine JPG images into a PDF.
Merge PDF
Combine PDF files into one document.
OCR PDF
Add searchable English text to scanned PDF pages.
Pages per sheet
Place several PDF pages on each output sheet.
PDF header footer
Add a header and footer to every PDF page.
PDF to excel
Extract detected PDF tables into an Excel workbook.
PDF to JPG
Render PDF pages as JPEG images.
PDF to markdown
Save extracted PDF text as a Markdown file.
PDF to pdfa
Convert a PDF to PDF/A-2b using local Ghostscript and verify conformance with veraPDF before download.
PDF to PNG
Render PDF pages as PNG images.
PDF to powerpoint
Turn PDF pages into image-based PowerPoint slides.
PDF to text
Extract selectable text from PDF pages.
PDF to word
Export selectable PDF text into an editable Word document.
PNG to PDF
Combine PNG images into a PDF.
Protect PDF
Encrypt a PDF with a password before sharing it.
Redact PDF
Permanently remove matching selectable text from a PDF.
Remove PDF metadata
Clear common document metadata from a PDF copy.
Reorder pages
Arrange PDF pages in a new order.
Repair PDF
Try to recover a readable PDF from a damaged document.
Resize PDF pages
Fit PDF pages onto a new page size.
Rotate PDF
Rotate selected PDF pages.
Scan to PDF
Combine document photos into a PDF with automatic page detection.
Sign PDF
Place a signature image on a PDF page.
Split PDF
Save selected PDF pages as separate files.
Split PDF in half
Split scanned spreads into two pages.
SVG to PDF
Combine SVG images into a PDF.
Unlock PDF
Remove PDF encryption using the correct password.
Watermark PDF
Add a text watermark to selected PDF pages.
WEBP to PDF
Combine WEBP images into a PDF.
Webpage to PDF
Save a public webpage’s static text and links as a PDF.
Change CSV delimiter
Parse and reserialize correctly.
CSV column selector
Keep selected CSV columns in the order you choose.
CSV remove duplicates
Remove duplicate CSV rows while keeping the first occurrence.
CSV to excel
Create an Excel workbook from CSV text.
CSV to geojson
Map latitude/longitude columns, validate coordinates and preserve chosen properties.
CSV to HTML
Convert CSV to HTML.
CSV to JSON
Convert CSV to JSON.
CSV to markdown
Convert CSV to Markdown.
CSV to PDF
Column widths, landscape layout and page breaks.
CSV to SQL
Convert CSV to SQL.
CSV to TSV
Convert CSV to TSV.
CSV to XML
Convert CSV to XML.
CSV to YAML
Convert CSV to YAML.
CSV validator
Check CSV headers, quoting and row lengths.
CSV viewer
Preview CSV rows and columns in a readable table.
Excel to CSV
Select sheet.
Excel to JSON
Sheet/range selection, header rows and cached formula value behavior.
Geojson to CSV
Define supported geometry flattening and property collisions.
HTML table to CSV
Pasted HTML only initially.
JSON to CSV
Convert JSON to CSV.
JSON to excel
Flatten records, select columns and preserve identifiers and dates.
JSON to HTML
Convert JSON to HTML.
JSON to jsonl
Convert JSON to JSON Lines.
JSON to markdown
Convert JSON to Markdown.
JSON to SQL
Convert JSON to SQL.
JSON to TOML
Convert JSON to TOML.
JSON to TSV
Convert JSON to TSV.
JSON to XML
Convert JSON to XML.
JSON to YAML
Convert JSON to YAML.
Jsonl to JSON
Convert JSON Lines into a JSON array.
Semantic deduplication
Local MiniLM embeddings propose similarity groups.
Split CSV
Split CSV text into smaller files with repeated headers.
SQL to CSV
Convert SQL to CSV.
Text classifier
Assign your chosen labels to each line of text.
TOML to JSON
Convert TOML to JSON.
Transpose CSV
Rows-to-columns with header options and empty-cell handling.
TSV to CSV
Convert TSV to CSV.
XML to CSV
Convert XML to CSV.
XML to JSON
Convert XML to JSON.
YAML to CSV
Convert YAML to CSV.
YAML to JSON
Convert YAML to JSON.
ASCII to text
Decimal/hex ASCII codes and explicit distinction from Unicode.
Base64 encoder decoder
Encode/decode tabs.
Bcrypt generator
Generate and verify locally with work-factor control.
Binary to text
Decode binary byte values into UTF-8 text.
Chmod calculator
Numeric and symbolic Unix permission mapping.
Cron parser
Cron dialect and time-zone selection.
CSS formatter
Format/minify CSS with parser-based errors.
CSS inliner
Inline supported selectors for email HTML.
CSS minifier
Pinned parser with source-size comparison and downloadable output.
Curl to code
Parse quoting, headers and body.
File hash
SHA-256 digest and compare expected value.
Hex to text
Decode hexadecimal byte values into UTF-8 text.
HMAC generator
Local keys and data.
HTML escape
Escape/unescape modes.
HTML formatter
Format/minify with options.
HTML minifier
Configurable safe whitespace/comment treatment.
Javascript formatter
Parse and format code without executing it.
Javascript minifier
Syntax-target selection.
Jq playground
Run pinned jq version with resource limits.
JSON diff
Structural rather than textual comparison.
JSON escape
Escape/unescape string literals with visible control-character handling.
JSON formatter
Format and validate JSON in your browser.
JSON schema validator
Dialect-aware validation with exact instance paths and local reference resolution.
JSON to go
Struct tags, names, nullable fields and number-type options.
JSON to java
Class naming, lists, nullability and numeric precision options.
JSON to python
Dataclass or TypedDict output.
JSON to schema
Choose schema dialect.
JSON to typescript
Infer types from samples with optional properties and unions.
JSON validator
Line/column errors and clear syntax-versus-schema validation scope.
Jsonpath tester
Show matched paths and values.
JWT decoder
Decode header/payload locally.
Mock data generator
Schema-driven seeded synthetic CSV/JSON.
Number base converter
Binary/octal/decimal/hex with large-integer precision and signed-number rules.
Regex tester
Declare JavaScript flavor and flags.
RSA key generator
Local cryptographic RNG and formats with interoperability review.
SQL formatter
Select dialect and format without executing queries.
Token counter
Explicit model/tokenizer version.
Unix timestamp converter
Seconds versus milliseconds, UTC/local zones and explicit out-of-range handling.
URL encoder decoder
Encode or decode a URL component.
URL parser
Show scheme, host, port, path, query and fragment.
URL to punycode
Unicode domain and ASCII conversion with IDNA version stated.
UUID generator
Declare UUID versions, secure randomness for v4 and batch copy/export limits.
XML formatter
Pretty-print/minify with safe parsing and explicit mixed-content handling.
XML validator
Well-formedness validation.
YAML formatter
Pin YAML version.
YAML validator
Line/column errors, duplicate-key policy and safe parsing without arbitrary constructors.
Inspect file metadata
Initially inspect supported image metadata only.
Passphrase generator
Use a documented wordlist and secure independent sampling.
Password generator
Cryptographic randomness, length and character controls.
Redact image
Cover a rectangular area with a solid block.
Redact personal information
Suggest redactions in English text using a local entity model and contact patterns.
Audio to text
Transcribe a short audio recording into text and timed JSON.
Audio translator
Transcribe a recording and translate its speech into text.
Meeting notes generator
Find decisions, action items and open questions in meeting notes.
PDF to audio
Read selectable PDF text aloud using a local system voice.
Podcast chapter generator
Draft podcast chapters using timestamps already in your transcript.
Pronunciation player
Hear words and phrases with an available browser voice.
Read aloud
Listen to written text with a browser voice.
Speaker diarization
Group non-overlapping voices using local ECAPA speaker embeddings.
Text to speech
Read text aloud with a browser voice.
Transcript editor
Import transcript JSON and local audio.
Transcript search
Search locally imported timestamped transcripts by phrase and semantic similarity.
Transcript summarizer
Summarize a transcript with supporting source quotations.
Video dubbing
Translate speech and replace the audio using an installed local system voice.
Video to text
Transcribe a video’s speech into text and timed JSON.
Voice cloning
Create a short English speech sample from a voice you are permitted to use.
Voice to text
Turn an uploaded voice recording into a transcript.
Voiceover timing
Estimate the speaking pace needed for a target duration.
Aspect ratio calculator
Find the simplest aspect ratio from a width and height.
Collage maker
Arrange your images in a simple collage.
Color palette from image
Extract representative colors with controllable palette size.
Color picker
Image upload sampling plus manual color entry.
Color shades
Generate tints/shades with defined color-space interpolation and HEX/CSS output.
Contrast checker
Compute stated WCAG ratio for foreground/background.
CSS box shadow
Visual controls and accessible code output.
CSS flexbox
Responsive interactive preview with generated CSS and minimal HTML.
CSS grid
Rows, columns, gaps and placements.
Curved text generator
Place text on adjustable arcs or circles with radius, direction and spacing controls.
Favicon generator
Create an ICO favicon from an image.
Gradient generator
Linear/radial stops, angle and CSS export.
Hex to RGB
3/6/8-digit HEX support and explicit alpha interpretation.
Palette generator
Generate from image or seed.
Palette visualizer
Preview selected colors on realistic text/surface components without claiming complete accessibility.
RGB to hex
Validate channel ranges and alpha.
SVG optimizer
Before/after render and size.
Word art generator
Create styled or stacked display text with font, fill, outline, spacing and layout controls.
Broken link checker
Bounded scan, distinguish transient errors from broken links, protect private networks.
Email QR code
mailto payload, subject/body escaping and readable scan test.
Event QR code
Validate supported calendar payload and timezone handling.
Open graph preview
Pasted metadata preview first.
QR code generator
Static downloadable SVG/PNG with quiet zone and error correction.
Serp preview
Title/description editing with device previews.
Sitemap generator
Bounded public-site crawling, canonical filtering and valid XML.
Sms QR code
Phone/text payload and platform compatibility tests.
Utm builder
Validate destination, encode parameters and expose duplicates.
Vcard QR code
Versioned vCard fields, escaped newlines and realistic payload density.
Whatsapp link
International number and percent-encoded message.
Wifi QR code
SSID/password/auth fields and proper escaping.
Add days
Add/subtract calendar days and expose timezone/calendar assumptions.
Age calculator
Calendar age and next birthday.
Business days
Custom weekends first.
Date difference
Inclusive/exclusive counting, leap years, calendar dates versus elapsed time.
Stopwatch
Measure elapsed time and take lap readings.
Time calculator
Add/subtract hours/minutes/seconds and convert decimal hours.
Time card calculator
Daily intervals, breaks and totals.
Time duration
Start/end times, crossing midnight, breaks, decimal hours and explicit timezone handling.
Time zone converter
IANA zones, date selection and DST ambiguity.
Timer
Set a countdown in seconds.
Average
Find the mean, median, sum, minimum, and maximum of a list of numbers.
Break even
Find how many units cover your fixed and variable costs.
Circle
Calculate a circle’s diameter, circumference, and area from its radius.
Coin flip
Flip a virtual coin and get Heads or Tails.
Dice roller
Roll virtual dice and see each roll and the total.
Discount
Calculate the saving and final price after a discount.
Fractions
Add, subtract, multiply, or divide two fractions.
Lcm
Find the least common multiple of whole numbers.
Margin
Calculate profit and profit margin from cost and selling price.
Markup
Calculate profit and markup from cost and selling price.
Percentage
Find a percentage of a number.
Percentage change
Calculate the percentage increase or decrease between two values.
Random number
Generate random whole numbers within an inclusive range.
Ratio
Simplify a ratio of two whole numbers.
Rounding
Round a number to a chosen number of decimal places.
Scientific notation
Write a number in scientific notation.
Square footage
Calculate rectangular floor area in square feet and square meters.
Standard deviation
Calculate the mean and standard deviation of a set of numbers.
Tip
Calculate a tip, the total bill, and each person’s share.
Triangle
Calculate a triangle’s perimeter and area from its three side lengths.
Volume calculator
Calculate the volume of a box, cylinder, or sphere.
Angle
Convert between degrees, radians, and turns.
Area
Convert between square meters, square feet, acres, and other area units.
Celsius to fahrenheit
Direction-specific preset and reverse mode.
Cm to inches
Preset cm/inches with decimal/fraction choices.
Data storage
Convert between bits, bytes, decimal storage units, and binary storage units.
Energy
Convert between joules, calories, watt-hours, and kilowatt-hours.
Fahrenheit to celsius
Direction-specific examples and reverse mode.
Grams to ounces
Distinguish avoirdupois from troy ounces.
Inches to cm
Decimal/fraction input and explicit output rounding.
Kg to lb
Preset kg/lb direction, reciprocal input and precision.
Km to miles
Use international mile.
Lbs to kg
Direction-specific input and examples with verified constant.
Length
Convert between meters, feet, inches, and other length units.
Liters to gallons
US liquid versus Imperial gallon selector visible by default.
Meters to feet
Decimal feet versus feet-and-inches outputs explicitly separated.
Mm to inches
Decimal/fractional inches and precision controls.
Mph to kmh
Preset speed direction and consistent decimal precision.
Power
Convert between watts, kilowatts, megawatts, and horsepower.
Pressure
Convert between pascals, kilopascals, bar, atmospheres, and psi.
Speed
Convert between meters per second, kilometers per hour, miles per hour, and knots.
Temperature
Convert between Celsius, Fahrenheit, and Kelvin.
Time units
Convert between milliseconds, seconds, minutes, hours, days, and weeks.
Volume
Convert between liters, milliliters, and US or Imperial volume units.
Weight
Convert between kilograms, pounds, ounces, and other mass units.
Ass to SRT
Warn about loss of ASS styling/effects and preserve dialogue/timing.
Auto subtitles
Generate draft SRT captions from recorded speech.
Clean subtitles
Select removal of hearing-impaired cues, tags or empty cues.
Extract subtitles
Extract an embedded text subtitle track as SRT.
Karaoke subtitles
Create word-timed karaoke subtitles from matching speech and text.
Merge subtitles
Merge timelines with offset and overlap handling.
Shift subtitles
Apply positive/negative offset.
SRT to ass
Generate valid ASS with basic style defaults and explicit video dimensions.
SRT to VTT
Convert timestamp punctuation and cue structure.
Subtitle alignment
Align a matching English transcript to recorded speech.
Subtitle editor
Cue text/timing editing, validation and export without automatic transcription.
Subtitle translator
Translate subtitle text while preserving cue timing.
Subtitles to PDF
Readable transcript with optional timestamps and page layout.
Subtitles to text
Remove timecodes and optionally repeated captions.
VTT to SRT
Warn when VTT styling/position metadata is lost.
Add subtitles to video
Add an SRT subtitle track to a video.
Change audio speed
Change audio playback speed while preserving pitch.
Change video speed
Speed up or slow down a video and its audio.
Compress audio
Export audio as an MP3 at your chosen bitrate.
Compress video
Re-encode a video with an adjustable quality setting.
Crop video
Keep a rectangular region of a video.
Flac to MP3
Convert FLAC files to MP3 with the available format settings.
Increase audio volume
Adjust audio gain with a limiter to control peaks.
M4a to MP3
Convert M4A files to MP3 with the available format settings.
Merge audio
Join audio clips in the order you choose.
Merge video
Join clips into one video with a consistent frame size.
Mkv to MP4
Convert MKV files to MP4 with the available format settings.
Mov to MP4
Convert MOV files to MP4 with the available format settings.
MP3 to WAV
Convert MP3 files to WAV with the available format settings.
MP4 to MP3
Convert MP4 files to MP3 with the available format settings.
Mute video
Remove a video’s audio track.
Remove background noise
Reduce steady background noise in an audio recording.
Remove silence
Remove pauses below your chosen audio threshold.
Resize video
Resize a video to your chosen width.
Rotate video
Rotate a video by 90, 180 or 270 degrees.
Screen recorder
Record a screen or window you choose.
Trim audio
Keep a selected time range from an audio recording.
Trim video
Export a selected section of a video.
Vocal remover
Separate an audio or video clip into vocal and instrumental WAV files using a local Demucs model.
Voice recorder
Record audio from your microphone.
WAV to MP3
Convert WAV files to MP3 with the available format settings.
Webm to MP4
Convert WEBM files to MP4 with the available format settings.
7z to ZIP
Convert 7Z files to ZIP with the available format settings.
Bulk rename
Preview naming rules and collisions.
Create tar
Bundle paths safely.
Create ZIP
Select multiple files with predictable folder/name handling and download size feedback.
Extract 7z
Unpack a 7z archive and download its contents as a ZIP.
Extract rar
Unpack supported RAR files and download their contents as a ZIP.
Extract tar gz
Unwrap gzip and tar.
Extract ZIP
List before extracting, sanitize paths, limit expanded bytes and surface unsupported encryption.
Join files
Require correct ordered binary parts.
List archive contents
List filenames/sizes without expanding all files.
Password protect ZIP
Specify supported encryption and reader compatibility.
Rar to ZIP
Convert RAR files to ZIP with the available format settings.
Split file
Chunk sizes, filenames and reconstruction instructions.
Chat with document
Ask a question about the text in a document.
Document summarizer
Summarize readable document text with source references.
Document translator
Translate readable document text into your chosen language.
DOCX to markdown
Extract semantics, links, lists and images.
DOCX to PDF
Convert DOCX files to PDF with the available format settings.
EPUB to PDF
Convert EPUB files to PDF with the available format settings.
Excel to PDF
Convert EXCEL files to PDF with the available format settings.
Image table to CSV
Read a simple table image into draft CSV columns.
Markdown to PDF
Render defined Markdown dialect with print CSS, fonts and page breaks.
Odt to PDF
Convert ODT files to PDF with the available format settings.
Powerpoint to PDF
Convert POWERPOINT files to PDF with the available format settings.
Receipt to CSV
Extract receipt lines and candidate amounts into a reviewable CSV.
Rtf to PDF
Convert RTF files to PDF with the available format settings.
Text to PDF
Create a PDF from plain text.
CIDR to range
First/last addresses, count and IPv6 support without allocating massive address lists.
DNS lookup
A AAAA MX TXT CNAME NS SOA records with resolver and time.
DNS propagation
Real geographically distributed resolvers and timestamps.
Not available yetIP lookup
ASN, approximate geography and data timestamp.
IP range to CIDR
Minimal exact covering blocks.
Ipv6 compress
Compress/expand canonical IPv6 with round-trip checks.
Reverse DNS
PTR query results and missing-record states.
Subnet calculator
IPv4/IPv6 ranges, prefix length and usable-address conventions.
What is my IP
Display public IPv4/IPv6 observed by endpoint.
Whois lookup
RDAP-first registration lookup with redaction and registry-specific availability.
Hreflang generator
Language-region validation, reciprocal alternate sets and x-default.
HTTP status checker
Redirect chain, status, selected headers and fetch timestamp.
Meta tag generator
Escaped title, description, robots and social metadata.
Redirect checker
Full chain including loops and relative locations.
Robots txt tester
Check whether robots.txt rules allow a crawler to visit a URL.
Schema generator
Supported Schema.org types with validation.
Security headers
Observed response headers with scoped explanations.
SSL checker
Hostname match, certificate chain and expiry.
DKIM checker
Domain plus selector lookup.
DMARC checker
Parse policy, reporting addresses and inheritance.
Email header analyzer
Local parsing of hops and authentication results.
Email signature generator
Create a simple HTML email signature with your contact details.
Eml to PDF
Render headers/body and attachment manifest.
Eml viewer
Local MIME parsing with disabled remote assets and attachment listing.
SPF checker
DNS lookups, include-chain limits and findings.
Compare CSV
Keyed row diff versus position diff.
CSV join
Inner/left/full joins on explicit keys.
CSV pivot
Row/column groups, counts/sums, blank handling and export.
Excel to HTML
Sheet and range choice.
Merge CSV
Append with header alignment.
Ods to XLSX
Test formulas, dates and styles.
Split excel
Split sheets or rows.
XLSX viewer
Open an Excel or OpenDocument worksheet as a readable table.
Barcode generator
Code128/EAN/UPC formats, check digits and print sizes.
Barcode reader
Local image/camera detection with supported symbology list.
Hourly to salary
Estimate annual and monthly gross pay from an hourly rate.
Invoice generator
Editable line items, discounts, currencies and tax inputs.
Meeting cost
Estimate a meeting’s total staff cost.
QR code reader
Local image/camera decode.
Quote generator
Business estimate template with validity and line items.
Compound interest
Calculate growth from regular compounding at a fixed rate.
Currency converter
Licensed rate feed, timestamp and source.
Loan payment
Estimate monthly payments on a fixed-rate loan.
Mortgage payment
Estimate principal and interest payments for a fixed-rate mortgage.
Savings goal
Estimate the monthly contribution needed to reach a savings goal.
Citation generator
Verified style versions and source metadata.
Final grade
Find the final-exam score needed to reach a target course grade.
Flashcard maker
Create a small set of question-and-answer flashcards.
Gpa calculator
Calculate a weighted GPA from grade points and course credits.
Grade calculator
Calculate a weighted average from scores and their weights.
Notes to flashcards
Turn short notes into study cards linked to source sentences.
Quiz from notes
Draft multiple-choice questions supported by your notes.
Typing test
Check typing accuracy and speed against a short passage.
Coordinate converter
Convert decimal latitude and longitude to degrees, minutes and seconds.
Distance between coordinates
Geodesic surface distance with units and method.
Geojson viewer
Local geometry preview, validation and bbox.
GPX to KML
Convert GPX track geometry and elevation to KML.
KML to geojson
Convert KML features to GeoJSON.
DPI calculator
Calculate pixel density from pixel count and physical size.
Image to STL
Turn an image into a solid 3D relief.
OBJ to STL
Triangulation, units and loss of materials/textures made explicit.
Ohms law
Calculate current and power from voltage and resistance.
Resistor color code
4/5/6-band modes and tolerance.
STL to OBJ
Preserve mesh topology.
STL viewer
Local mesh rendering, dimensions with chosen units and memory limits.
Internet speed test
Regional test infrastructure and reproducible download/upload/latency methodology.
Keyboard test
Check which key and modifier signals your browser receives.
Microphone test
Check the input level from your microphone.
Screen test
Inspect your screen using solid colors.
Screenshot capture
Capture an image of a screen or window you choose.
Webcam test
Preview your webcam in the browser.