CheckDiffs · Office #45,825

What it is

Calls itself “side-by-side diff”.

• Calls itself: side-by-side diff

“…side-by-side diff”

Where it puts itself

Positions itself as an alternative to Diffchecker. Rules out “PDF/Excel suite” and “better than VS Code”. Publishes a comparison page.

• Alternative to: Diffchecker
• Says it will not: PDF/Excel suite · better than VS Code

“Diffchecker alternative”

“Not a PDF/Excel suite.”

What it costs

A free tier, free forever. No monthly plan.

• Monthly: no
• Free plan: free forever

“Free forever for basic side-by-side compare Nothing uploaded — runs in your browser Pro TBD: export, ads-free, AI summary quota — basic stays free forever”

“Free forever for basic side-by-side”

Who it sells to

Sells to developers. Available in 5 languages.

• Sells to: developers
• Languages: 5 languages

“Built for vibe-coding and long chat refactors”

“HTML / CSS”

How it runs

A web app. Runs locally and works offline. No API. Built with Google Analytics.

• Kind: web
• Runs where: on the device, offline
• API: no
• Analytics: Google Analytics

“CheckDiffs is a free, in-browser side-by-side diff (Monaco).”

“Diffs run in your browser with Monaco. For basic side-by-side, your paste is not uploaded.”

What it works with

Built on Monaco. Names ChatGPT, Claude and 4 more on its pages.

• Built on: Monaco
• Names: ChatGPT · Claude · Cursor · +3

“ChatGPT”

“CheckDiffs”

What it offers as proof

Live, no waitlist. Try it without signing up.

• Trial asks for: nothing

“No account for the basics.”