Free PDF24 alternative
Free PDF-tools suite by Geek Software (Germany) — web + Windows desktop, supported by display ads.
Compress PDF
UtilityApps · free, no signup
PDF24
Verified 2026-06-01
PDF24 compresses for free but the web flow is ad-heavy and your file is uploaded to their server. UtilityApps Compress PDF runs the compression in your browser, ad-free inside the tool, no upload.
| Feature | Compress PDF | PDF24 |
|---|---|---|
| Pricing | Free, no signup | Free, ad-supported |
| Signup required | Never required | Not required |
| Where processing happens | Inside your browser — file never uploaded | Files uploaded to their servers |
| Free-tier limits | No daily limit | Free, but heavy ads on web tools |
| Watermarks | Never | No watermarks |
| Mobile-friendly | Yes — responsive | Yes — responsive web |
PDF24 facts verified on 2026-06-01 from tools.pdf24.org. Their pricing or limits may have changed since — check their site for the latest.
Open Compress PDF
Shrink a PDF to email size in your browser — pick High, Medium or Low quality.
Common questions