PDF Comparison Tool
Beta
Compare text content of two PDFs.
Text-level diff only (no visual/format diff).
About PDF Comparison Tool
PDF Comparison Tool is here for answering a question about a file rather than converting it: compare text content of two PDFs. The answer is shown on the page — there is no converted file to download. What it does today: text-level diff only (no visual/format diff).
Reach for it when answering a question about a file rather than converting it is a one-off rather than a workflow: one file, one result, no account in front of it.
How to use PDF Comparison Tool in 3 steps
- Drop the PDF onto the drop area — a single file, up to 100 MB.
- Set the second document, which is compared against the first.
- Press Compare the two PDFs and read the answer on the screen; nothing leaves your device to be computed.
What you get with PDF Comparison Tool
- Answers on the page, with no file to open afterwards
- Honest scope: text-level diff only (no visual/format diff).
- Runs in your browser — the file is never uploaded
- Free to use, with no signup and no account
- No watermark or logo added to your output
- Works on desktop and mobile, no install
PDF Comparison Tool: questions
- Does my file get uploaded?
- No. The page reads the file through the browser's own file API and processes it in the tab. Closing the tab discards the working copy, which is why there is no storage to clear and no retention policy to read.
- What can't PDF Comparison Tool do?
- Text-level diff only (no visual/format diff). That limit is stated on the page and in the alert above the tool, not buried in a footnote.
- Will it work on a phone?
- Yes. The layout adapts to a small screen and the processing runs in the mobile browser, so a photo or a downloaded document can be handled on the device it arrived on.
- Do I need to pay or register?
- No. Every tool on this site is free, with no account, no email and nothing to install.