PDF tools / Compare
Adobe Acrobat online vs Sejda PDF
Both do 10 of the same PDF tools tasks. Below is what each says about its own limits and pricing, and how each ranks on signals we can measure or quote.
Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.
A
Adobe Acrobat online
Adobe's free online PDF tools, from Adobe, Inc.
Signals score: 3.9 / 5 · not a hands-on test
Visit www.adobe.com/acrobat/online.htmlB
Sejda PDF
Online PDF tools and a desktop app by Sejda BV (Amsterdam, Netherlands).
Signals score: 3.8 / 5 · not a hands-on test
Visit www.sejda.comPricing, limits and privacy
- Free tier
- A: Free tools with limits per tool, for example merge up to 100 files and 1,500 pages, split up to 1 GB and 1,500 pages, Word to PDF up to 100 MB, compress up to 2 GB with limited use. PDF to Word has a daily limit whose number is not stated.
- B: Free for documents up to 50 pages or 50 MB, and 3 tasks an hour. Some tools are tighter: one file per task, 20 pages per conversion, 10 pages per OCR task.
- Paid plan
- A: Acrobat Standard from US$14.99 a month on an annual plan billed monthly, US$179.88 a year prepaid, or US$24.99 month to month.
- B: A 7-day pass for $5 (one-time) and a yearly plan for $63 that includes Sejda Desktop. Paid removes the page and hourly limits and allows files up to 500 MB. We could not verify the monthly price.
- Signup
- A: Depends on the tool. Merge and compress say no signup; split, OCR and edit ask you to sign in to download; Fill & Sign requires it.
- B: No signup required.
- Watermark
- A: Merge and PDF to JPG say no watermark. Not stated for the other tools.
- B: Not stated.
- Where files go
- A: Files are uploaded to Adobe's cloud servers and deleted unless you sign in and save them. No retention time is stated.
- B: Web tools upload files to Sejda's servers and delete them automatically after 2 hours, with encryption in transit and at rest. Sejda Desktop processes files on your computer.
From each tool's own pages, checked 2026-10-31. Prices and limits change; check the tool before you rely on them. Sources are listed on each tool's page.
Compare on a task
Neither tool has been hands-on tested on these tasks yet, and we do not guess. Open a task to see both ranked with every other tool.
More
Know a tool that should be here? Submit it, or write to hello@agathox.com.