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SmallPDF is great, but it has limits: uploads to servers, daily file caps, and a paid subscription for full access. Here's why PDFTools is the best free SmallPDF alternative.
SmallPDF uploads your files to their servers for processing. With PDFTools, everything runs in your browser using WebAssembly and pdf-lib. No server ever sees your document. For sensitive contracts, financial statements, or personal documents, this is a critical difference. Try it yourself — your file never leaves your computer.
SmallPDF restricts free users to 2 files per day. PDFTools gives you 5 uses per day free, with no artificial caps on which tools you can use. Premium removes all limits entirely.
SmallPDF requires creating an account to use more than 2 files. PDFTools works instantly — no email, no password, no account needed. Just upload and process.
A feature SmallPDF doesn't offer: upload any PDF and ask AI questions about its content. Chat with your PDF — extract key information, summarize chapters, find specific data without reading the entire document.
| Feature | SmallPDF | PDFTools |
|---|---|---|
| Compress PDF | ✓ | ✓ |
| Merge PDF | ✓ (paid) | ✓ |
| Split PDF | ✓ (paid) | ✓ |
| Image to PDF | ✓ | ✓ |
| PDF to Images | ✓ (paid) | ✓ |
| e-Sign PDF | ✓ (paid) | ✓ |
| Unlock PDF | ✓ (paid) | ✓ |
| Chat with PDF | ✗ | ✓ |
| File size limit | 10MB free | 10MB free |
| Daily limit | 2 files | 5 files |
| Server upload | Required | None |
| Price | From $12/mo | Free / $8/mo premium |
Try the best free SmallPDF alternative. No uploads, no signup, 100% private.
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