FileDiffChecker.com

Compare two files online instantly, easily and free.

What it does

Compare two files online instantly. Free file difference checker for TXT, JSON, CSV, XML, and source code files. No signup required.

Diffchecker 2.02020 · ▲153
Check the differences between two text files, images or PDFs
Text Compare OnlineJun 2026 · textcompareapp.netlify.app · ▲3
Privacy-first text, JSON & code comparison tool
Free Online Text Compare ToolNov 2025 · ▲6
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Compare2excelJul 2026 · compare2excel.com · ▲3
Compare Two Excel Files online Free
CO
Comparelists.org – Instantly Compare Two Lists, Find Differences2025 · comparelists.org · ▲10
Hey HN, I got tired of manually comparing two lists (think: emails, product SKUs, code, whatever) and built CompareLists.org to make it painless. You just paste your two lists, hit compare, and instantly see what’s unique to each list, what matches, and any duplicates. It handles thousands of lines, works right in your browser (no data leaves your device), and you can export results as CSV/TXT/JSON. There are options for case sensitivity, whitespace, and more. It’s free and there’s no signup. I’d love for you to try it out and let me know what you think—or if there’s a feature you…
csvdiff.appJul 2026 · csvdiff.app · ▲9
Compare CSV files. Right in your browser

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