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Life & fun · December 5, 2015

Diffchecker

Compare text differences between two text files

Diffchecker launched on December 5, 2015 with 147 votes, #180 of 3,505 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 10 years on.

Visit diffchecker.com ↗Diffchecker alternativestop 5% of December 2015

What it does

Compare text, files, and code (e.g. json, xml) to find differences with Diffchecker online for free! Use our desktop app for private, offline diffs.

Diffchecker is a free online diff checker for text, code, and data. Paste both versions or drop in two files, and every insertion, deletion, and edit is highlighted line by line, with no install and no account. A full comparison workspace, not just a highlighter. Switch views, narrow the highlight, merge changes, and keep your work. The default view. The original on the left, the changed version on the right, removals in red, and additions in green. Both sides scroll together, so you never lose your place in either version. A single column, the same format Git and code review tools use. Free to try and unlimited on Pro. Tell the comparison what to skip: timestamps, build numbers, session…from diffchecker.com

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