Text Spacing Resilience Tester
Preview larger text-spacing overrides and identify simple clipping risks in supplied HTML. Runs locally.
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Input is limited to 200000 characters. Results are computed locally and exported as JSON. Up to 200,000 characters. Review the settings before running.
Your result
How to use Text Spacing Resilience Tester
- Paste the HTML.
- Run the local preview.
- Review the injected overrides and any clipping warnings.
What this tests
The preview applies letter spacing, word spacing and line height overrides. It flags fixed-height or hidden-overflow inline styles for browser review.