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Dev tools · alternatives · 2026

24 alternatives to FileDiffChecker.com

Compare two files online instantly, easily and free.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Check the differences between two text files, images or PDFs

    2020 · diffchecker.com · its alternatives →

  2. 2

    Compare json files online | professional json diff tool

    2025 · its alternatives →

  3. 3

    Fast & Free list comparison tool

    2025 · comparelists.org · its alternatives →

  4. 4
    Diff Text▲216

    Dead simple text comparison

    2024 · difftext.com · its alternatives →

  5. 5

    Compare text differences between two text files

    2015 · diffchecker.com · its alternatives →

  6. 6

    Compare your JSON Data, URLs and Files.

    2019 · jsoncompare.org · its alternatives →

  7. 7

    Privacy-first text, JSON & code comparison tool

    Jun 2026 · textcompareapp.netlify.app · its alternatives →

  8. 8

    Free online text comparison

    Nov 2025 · its alternatives →

  9. 9

    Compare Two Excel Files online Free

    Jul 2026 · compare2excel.com · its alternatives →

  10. 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…

    2025 · comparelists.org · its alternatives →

  11. 11

    Compare CSV files. Right in your browser

    Jul 2026 · csvdiff.app · its alternatives →

  12. 12

    JSON Diff | The Best JSON Code Compare Tools

    2019 · jsondiff.org · its alternatives →

  13. 13

    A fast diff tool for comparing csv files. Contribute to aswinkarthik/csvdiff development by creating an account on GitHub.

    2019 · github.com · its alternatives →

  14. 14

    Compare two texts and find differences

    2025 · comparetext.ai · its alternatives →

  15. 15

    Compare and edit two text-based files or code side by side

    Nov 2025 · nonconfirmed.com · its alternatives →

  16. 16

    Free file & image converter

    2025 · file-convertor-ebon.vercel.app · its alternatives →

  17. 17

    Excel comparison | makspilot | CSV comparator

    2025 · makspilot.com · its alternatives →

  18. 18

    Free, browser-based viewer for Markdown, CSV, HTML and more

    Aug 2026 · online-file-viewer.github.io · its alternatives →

  19. 19

    This brand new secure diffchecker. It's supports text/code diff upto 25k lines with character level diff all in browser. Supports one of the best inhouse diff merge feature. https://diffchecker.dev/ Now, add list diff - to compare two lists and show unique, common and diff between two lists. https://diffchecker.dev/list/ Add json diff, supports semantic json difference. https://diffchecker.dev/json/ With consistent, clean, minimal UI elements. Would you switch from other websites. Please checkout and provide feedback.

    Nov 2025 · diffchecker.dev · its alternatives →

  20. 20

    Document comparison in your browser - Excel, Word, PDF, CSV

    2025 · veridiff.com · its alternatives →

  21. 21

    Compare documents privately

    Feb 2026 · its alternatives →

  22. 22

    Free text comparison tool | find text differences

    Dec 2025 · compare-texts.online · its alternatives →

  23. 23

    Pdf, image, video & json - fusiofiles

    Nov 2025 · fusiofiles.com · its alternatives →

  24. 24

    Free json formatter & validator online

    2025 · json-formatter-new.vercel.app · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →