Duplicate file finder
Open Duplicate file finder on Happytails.ai. This view has the same page content and links, with explicit tool capabilities. Read the processing notes before using a tool.
Tool capabilities
{
"id": "duplicate-file-finder",
"category": "developer-tools",
"built": true,
"requirements": "Up to 2,000 files, 512 MiB total and 256 MiB per file. Matching hashes are checked with a direct byte comparison. Very large comparison workloads are bounded and may require a smaller folder. Nothing is deleted.",
"implementation": {
"fields": [],
"files": true,
"input": false,
"directory": true,
"multiple": true,
"deferImagePreview": true,
"presentation": "metrics",
"maxFileBytes": 536870912,
"uploadHelp": "Choose one folder, up to 2,000 files and 512 MiB total; 256 MiB per file.",
"note": "Files are read locally in bounded chunks and never changed. Only selected files are inspected. Cancel at any time.",
"experience": {
"automatic": false,
"single": false,
"inputMaxLength": 1000000,
"inputMode": "text",
"label": "Your text",
"placeholder": "Type or paste your input…",
"help": "Up to 1,000,000 characters. Review the settings before running.",
"helpParts": [
"Up to 1,000,000 characters.",
"Review the settings before running."
],
"action": null
},
"mode": "explicit",
"interactive": false
},
"execution": "Browser interface",
"api": null,
"browser_agent": {
"supported": true,
"name": "run_current_tool",
"discovery": "WebMCP on the human page in a supporting browser",
"verification": "See audit/API-AUDIT.md; availability is not verification"
}
}Page guide
Find byte-identical files by size, SHA-256 and a final direct byte comparison.
How to use Duplicate file finder
- Choose the folder you want to inspect.
- Review the options and run the check.
- Read the result and download the report.
Useful next steps
Choose one local folder
Use the folder picker and confirm the files you want to inspect. Nested paths are preserved. Choosing another folder replaces the selection.
Review the result
Find byte-identical files by size, SHA-256 and a final direct byte comparison.
Download your report
Save the report or manifest to keep the results. Your source files are unchanged, and the processing stays in your browser.