FreeConversion vs PDF24

Discover why FreeConversion is the best free and private alternative to PDF24 for compressing your PDFs.

Last updated : May 14, 2026

PDF24

Pros

+

100% free with no file size limit or quota

+

German company (Geek Software, Berlin) — GDPR-bound by default

+

Free Windows desktop app alongside the web version

Cons

−

Google Ads visible on every page

−

Interface looks like 2010s, lots of buttons

−

Web version still uploads files to their Berlin servers

See PDF24 →
Recommended

FreeConversion

Why Choose Us

✓

No ads anywhere, not even on the download page

✓

Compression runs in your browser — no upload even on the web version

✓

Interface built in 2024, faster to use

Why switch from PDF24 to FreeConversion?

PDF24 (https://tools.pdf24.org) is a popular tool, but it has significant limitations. The main difference with FreeConversion is privacy: unlike PDF24 which sends your files to remote servers, FreeConversion processes everything locally in your browser using WebAssembly technology.

This means your sensitive documents (contracts, resumes, bank statements) never leave your computer. Additionally, FreeConversion is 100% free with no file limits, no registration, and no ads.

Frequently Asked Questions

Is this PDF compressor free?

Yes, our PDF compressor is completely free. No hidden fees, no registration required, and no file size limits.

Can I compress multiple PDFs at once?

Currently, you can compress one file at a time. However, the process is very fast and you can compress as many files as you want consecutively.

What's the difference between compression levels?

Low compression (10-30% reduction) preserves maximum quality. Medium (30-50%) offers a good balance. High (50-70%) significantly reduces size with slight image quality loss. Maximum (70-90%) creates the smallest possible file.

Can I use FreeConversion for professional documents?

Absolutely! FreeConversion is perfect for professional documents. Since all processing happens locally in your browser, your confidential documents remain 100% private.

Other free alternatives

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Ready to try FreeConversion?

The free and private alternative to PDF24. No limits, no registration.

Compress my PDFs for free →