Shows line-based differences between two texts. Toolbar: new tab or popup. Storage: local open-mode preference only.
Users
21
+2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#151K
#126K among extensions
Version
1.3.0
updated 21 Sep 2026
Users
monthly, 6 months
Latest, 21 Oct 2026:21 usersMove the mouse over the chart for any month
Ratings count
monthly, 6 months
Latest, 21 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Diff Checker - JSON Format - Image Converter
Diff Checker allows you to quickly and clearly compare two texts line by line.
Paste the texts into the left and right editor, then run the comparison:
Added lines (+)
Deleted rows (-)
Rows that remain the same
Highlights:
Clean line based diff; side by side (Text 1 / Text 2) view in summary area
Line numbers in both editors
Swap left and right with one click
Same/added/deleted numbers in the toolbar after comparison
Navigate forward/backward between differences
Copy diff summary with one click
Height adjustment with separator between editor and summary
Full screen for summary (Esc to exit)
Light and dark theme
Settings: language (Automatic / English / Turkish) and opening in new tab or popup when clicking on the icon
Full page usage for widescreen when opened in tab
What's New (v1.1.2)
Added language support for 50+ Languages.
What's New (v1.1.1)
Added inline diff support: Text changes on the same line are highlighted with precision.
What's New (v1.1.0)
Added settings panel for side-by-side summary columns, switching columns, live stats, draggable size setting, fullscreen for summary, dark theme and language, and tab/popup selection.
What's New (v1.3.0)
• JSON Format tool — beautify, minify, and validate JSON
• Image Converter — convert images between formats
• Tabbed workspace: Diff, JSON, and Image in one place
Privacy:
All comparisons are done locally, within the browser. Your texts are not sent to external servers.