No File Too Big. No Size Limits. Ever.
Convert large PDF files without file size limits or timeout errors. No upload required — process 100MB+ files directly in your browser.
- ✓No file size cap — your only limit is your device's memory.
- ✓Local processing — no upload wait times for large files.
- ✓No timeouts — conversion completes even when others would fail.
How MixConvert Compares
| Converter | Free Size Limit | Paid Size Limit | Upload Required |
|---|---|---|---|
| MixConvert | ❌ None | ❌ None | ❌ No |
| Smallpdf | 15 MB | 5 GB | ✅ Yes |
| ILovePDF | 25 MB | 200 MB | ✅ Yes |
"I tried uploading a 150 MB technical manual everywhere — all failed. MixConvert handled it in 2 minutes, no upload.
Frequently Asked Questions
What's the actual max file size?▼
There's no limit on our end. The only constraint is your device's available memory.
Will my browser crash on huge files?▼
Modern browsers handle large files well. Close other tabs to free up memory if needed.
Ready to Convert?
100% free. No watermarks. No file uploads. Your files never leave your device.
Convert Your Large PDF →