📄 Document Converter
Drop your file here or click to browse
Supported: PDF, DOCX, XLSX, PPTX — Max 50MB
Conversion Complete!
📦 Compress PDF
Reduce file size without losing qualityDrop your PDF here or click to browse
Max 50MB — Compression happens in your browser
📱 HEIC to JPG Converter
Convert iPhone photos to JPG instantlyDrop HEIC file here or click to browse
Converts iPhone HEIC photos to universal JPG format
📐 Image Resizer
Resize any image to exact dimensionsDrop image here or click to browse
Select a size preset above, then upload your image
🔥 Most Popular Conversions
Free Online File Converter — How It Works
Convertly is the fastest, most secure file converter online. Unlike other tools, we process everything directly in your browser. Your files never leave your device — complete privacy guaranteed.
Supported Conversion Types
| Category | From | To |
|---|---|---|
| Documents | PDF, DOCX, XLSX, PPTX, TXT, HTML | PDF, DOCX, TXT, HTML, JPG |
| Images | JPG, PNG, WebP, SVG, BMP, GIF | JPG, PNG, WebP, PDF, ICO |
| Video | MP4, WebM, MOV, AVI, MKV | MP4, WebM, GIF, MP3 |
| Audio | MP3, WAV, OGG, FLAC, AAC, M4A | MP3, WAV, OGG, FLAC |
Why Choose Convertly?
- No Upload Required: All processing happens locally in your browser using WebAssembly and modern web APIs
- Lightning Fast: Optimized conversion engine processes files in seconds
- 100% Free: No hidden fees, no credit card required, no watermarks
- Privacy First: Your files stay on your device — nothing is ever uploaded to our servers
- 50+ Formats: From PDF to Word, JPG to PNG, MP4 to MP3 — we support them all
Frequently Asked Questions
Is Convertly really free?
Yes. The core converter is 100% free with no limitations on file size up to 50MB.
Are my files uploaded to your server?
No. All conversions happen in your browser. Your files never leave your device.
What's the maximum file size?
50MB for free users. 200MB for Pro subscribers.
Can I convert multiple files at once?
Batch conversion is available with Convertly Pro.