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Free Online File Tools

Convert, resize, and optimize your files instantly. All processing happens in your browser - your files never leave your device.

🔒 100% Private ⚡ Lightning Fast 💯 Always Free

All File Tools

Browse all available tools by category, or use the menu above for quick access.

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Image Tools

Resize, crop, compress, and convert images

Image Resizer Image Cropper Image Splitter Image Compressor Favicon Maker Photo Collage Builder HEIC to JPG/PNG Image to ASCII Art Image to DDS Converter

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Audio Tools

Convert and compress audio files

M4A to MP3 MP3 to WAV WAV to MP3 OGG to MP3 MP3 to OGG Audio Compressor

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Video Tools

Process and convert video files

Video to GIF Extract Audio

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Other Tools

Specialized tools for various file tasks

iPhone Contacts to Android Android Contacts to iPhone Copy Spotify Playlist Password Protect Zip File ZIP File Converter File Metadata Viewer Phone Keypad Letter Converter

Most Popular Tools

Try our most-used conversion and optimization tools

Image Resizer

Resize images to any dimension while maintaining quality

Image Compressor

Reduce image file sizes without losing quality

M4A to MP3

Convert M4A audio files to MP3 format instantly

Video to GIF

Create animated GIFs from your video files

Why Choose ConvertResize?

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100% Private

All processing happens in your browser. Your files never leave your device.

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Lightning Fast

No uploads or downloads required. Convert files instantly without waiting.

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Always Free

No hidden fees, no watermarks, no account required. Completely free forever.

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Works Everywhere

Compatible with all modern browsers on desktop, mobile, and tablet.