Use Diff Checker
- Enter or configure the source values.
- Choose the relevant mode and run the action.
- Review the result before copying or downloading it.
Text and JSON Diff Checker
Compare bounded text by lines or words, or compare consistently formatted JSON without sorting object keys.
Inputs and results stay in browser memory in this tab. Nothing is uploaded, logged, saved, or added to the URL.
Enter text and choose an action.
View additions, removals, unchanged context, and explicit counts in one authoritative comparison route.
How OpenFileTools processes it
Local processing, explicit choices.
OpenFileTools performs this developer transformation locally in the browser after an explicit action.
Questions, answered.
Is any input uploaded?
No. Input and results stay in memory in the current browser tab.
What should I verify?
JSON mode is formatted textual comparison, not a semantic-equivalence proof.