Text Diff Checker
Compare two texts line by line and see what changed. Free, private and instant.
About the Text Diff Checker
A diff compares two versions of text and marks removed lines with a minus and added lines with a plus, so changes are obvious at a glance.
When to use it
Use it to review edits to a document, compare config files, or confirm that two copies of a script are identical.
How to use the Text Diff Checker
- Enter or paste your input in the fields above.
- The result updates as you type, or press Run.
- Press Copy to copy the output.
Frequently asked questions
Is the Text Diff Checker free?
Yes. It is completely free, with no signup and no usage limits.
Is my data uploaded anywhere?
No. Everything runs locally in your browser, so what you type never leaves your device.
Does the Text Diff Checker work on mobile?
Yes. The tool is responsive and works on phones, tablets and desktops.
More free tools
Encode or decode Base64 with full UTF-8 support.
UtilitiesAaUnix Timestamp ConverterConvert Unix timestamps (seconds or ms) to readable dates.
UtilitiesAaWord & Character CounterCount words, characters and estimate reading time.
UtilitiesAaUUID v4 GeneratorGenerate random UUIDs securely in your browser.
UtilitiesAaURL Encoder / DecoderPercent-encode or decode URLs and query strings.
UtilitiesAaText Case ConverterConvert text to camelCase, snake_case, kebab-case and more.
Utilities