Disconnect From the Internet. Keep Converting Files.
Convert files offline after loading the page once. Browser-based converter that works without internet. Perfect for travelers and sensitive documents.
- ✓True Offline Mode — Load the page once, then convert files even with no internet connection.
- ✓Perfect for Travel — Convert files on planes, trains, or anywhere without WiFi.
- ✓Ultimate Privacy — No internet = impossible for files to leave your device.
How MixConvert Compares
| Converter | Works Offline | How It Works | Privacy |
|---|---|---|---|
| MixConvert | ✅ Yes | WebAssembly in browser | ✅ 100% Local |
| Smallpdf | ❌ No | Server processing | ❌ Uploads files |
| Desktop Apps | ✅ Yes | Requires installation | ✅ Local |
"I convert sensitive legal documents during flights. MixConvert is the only tool I trust because it literally cannot upload anything when I'm offline.
Frequently Asked Questions
How does offline conversion work?▼
MixConvert uses WebAssembly to run conversion engines directly in your browser. Once the page loads, all processing happens locally on your device.
Do I need to install anything?▼
No installation required. Just bookmark the page, and you can use it anytime — even offline after the initial load.
What formats work offline?▼
All supported formats work offline: images (HEIC, JPG, PNG, WebP), documents (PDF, DOCX), audio (MP3, WAV), and video (MP4, WebM).
Ready to Convert?
100% free. No watermarks. No file uploads. Your files never leave your device.
Try Offline Conversion →