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PDF24 Tools 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.

Pricing, limits and privacy

Free tier

A: Says all tools are free without restrictions and that there are no artificial limits. File-size limits are 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: No paid plan found. It says the service is funded by advertising.

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: No registration required.

B: No signup required.

Watermark

A: Not stated.

B: Not stated.

Where files go

A: Files are uploaded to PDF24's servers in EU data centres and usually deleted within one hour. The free PDF24 Creator desktop app works offline.

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.

• Merge PDF
• Split PDF
• Compress PDF
• Edit PDF
• Sign PDF
• Word to PDF
• PDF to Word
• PDF to JPG
• Protect PDF
• OCR PDF

More

• Alternatives to PDF24 Tools
• Alternatives to Sejda PDF
• All PDF tools, ranked
• How we rank

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