Two versions. Every change, clear.
Put your original and revision side by side. See the smallest edits, move between changes, and keep your text in your browser.
Start comparingA little clarity.Every word matters.Keep your text private.A little more clarity.Every word matters.Keep your text in your browser.A full toolkit for your words
14 practical tools. One quiet place to work.
Write & edit04
Lists & lines04
Format & convert06
Clean whitespace
Less clutter. Same words.
Format JSON
Give structured data some space.
CSS Beautify
Readable styles, without changing your workflow.
JavaScript Beautify
Make compact JavaScript easier to review.
URL encode / decode
Make text ready for a URL.
Base64 encode / decode
Text in another representation.
Text comparison guides
How to compare two texts and review every edit
Use a three-line revision to learn side-by-side comparison, added and removed lines, difference navigation and UTF-8 TXT import limits.
Read the guide 02Ignore whitespace in a text diff: what actually changes?
A reproducible example of leading and trailing whitespace, internal spaces, CRLF versus LF and a final empty line.
Read the guide 03Comparing Chinese text: punctuation, spaces and line breaks
Check full-width punctuation, Traditional and Simplified characters and copied line breaks with a small Chinese text example.
Read the guide 04Compare configuration files: review values, whitespace and secrets
Compare two plain-text configuration versions, spot a changed port or feature flag, and learn why text comparison cannot validate configuration behavior.
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