Skip to content

Text tools / Diffchecker

Diffchecker

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.

Free optionSignup unclearFile handling unclearWebsite health 4.8 / 5

Where it stands

3.9 / 5

Signals score

Not a hands-on test

Based on 2 of 3 signals

  • Website health4.8 / 5 · weight 50%

    Measured from the tool's public website

  • Facts stated3.4 / 5 · weight 30%

    How many of the five facts the tool's own pages state

Built only from what we can measure or quote without using the tool. How ranking works

Rank by signals

We have not run our own hands-on test on Diffchecker yet. Facts checked 2026-11-01. How tests work

Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.

Should you use Diffchecker?

A quick read built only from what the tool's own pages state and from our tests, not from opinion. Facts checked 2026-11-01.

A good fit if…

  • You want a free option. It states: “Basic plan is free and includes ads. Side-by-side and word-level text comparison are unlimited, image comparison is unlimited, and…”

Check first

  • Its pages do not state: signup, watermark. Check on the tool's site before you rely on it.

Does: Diff checker

Measured signals

4.8 / 5 · measured 2026-11-08

Read automatically from Diffchecker's public website: how reliable, secure, private and open the site is. This is not a test of how well the tool does its job. How this is measured

  • Reliability5 / 5The page answered and finished downloading in 63 ms.
  • Security5 / 55 of 5 protective headers set (strict-transport-security, content-security-policy, x-content-type-options, referrer-policy, x-frame-options).
  • Privacy4 / 51 third-party tracking service found: Mixpanel.
  • Transparency5 / 5Links a privacy policy; links a pricing page.

Community feedback

Not enough discussion yet: 1 classified comment from 1 thread. We need at least 12 from 2 threads.

Threads: Show HN: Diffchecker – Find the differences between text files, images or PDFs (2020, 3 comments)

Free tier
Basic plan is free and includes ads. Side-by-side and word-level text comparison are unlimited, image comparison is unlimited, and there are no file size limits. Many extra features are capped at 5 or 10 uses a month. Desktop app, offline use and folder comparison are not included.
Paid plan
Per user per month. Pro + Desktop $15 (ad-free, desktop app, free trial). Diffchecker Legal $20. Enterprise $40, annual billing only. Billing can be monthly or yearly, with a 29% off label shown for yearly. No currency or country pricing is stated.
Signup
Not stated.
Watermark
Not stated.
Where files go
The privacy policy says content shared in uploaded documents is collected and may be stored in any country it operates in, including Canada, the United States or elsewhere. Information is kept as long as needed to provide the service, with no fixed period. Deletion can be requested. It does not say whether comparisons run in the browser or on servers.

From the tool's own pages, checked 2026-11-01. Sources: Pricing, Privacy policy. Prices and limits change; check the tool before you rely on them.

Get an email if Diffchecker changes

We check its official pages every week. If they change, we tell you, so you can see if the price or limits moved. No other email, and one click stops it.

Are you the maker of Diffchecker? Link to this page

Copy this into your site. The link goes to this page, and it does not change any score.

<a href="https://agathox.com/tools/diffchecker">Diffchecker on agathox: compared and tested</a>

Tasks and scores

Similar tools

Top signals in Diff checker.

Something wrong or out of date on this page? Tell us and we will fix it.

Search tools

Search tools and tasks