Convert Box

Convert Files Faster & Safer with Convert Box

Our file format converter supports over 239+ file formats, including HEIC, JPG, PNG, MP4, MP3, and many more. All conversions happen directly in your browser, ensuring privacy and security with no server uploads or data sharing. With a simple drag-and-drop interface, converting files is effortless and convenient.

image Images
play [#1003] Created with Sketch. Video
Audio

Experience true file conversion freedom—no uploads, no privacy worries, and no format limitations.

Key Features & Benefits

Trophy

Secure & Private

All files stay on your device during conversion—no transfers to external servers. Feel at ease knowing your data is never exposed.

Trophy
Extensive Format Support
Easily handle popular and obscure formats alike: images, documents, audio, video, and beyond. Convert MP4 to MP3 and more.
Trophy

Batch Conversion

Save time by converting multiple files simultaneously. Perfect for entire folders, photo collections, or large video libraries.
Trophy

No Installation Required

Use Convert Box right in your browser. Eliminate the need for clunky software, plug-ins, or device-specific downloads.

How to use Convert Box?

1
Select Your Files
Drag and drop one or more files directly into the Convert Box window, or click the "Add Files" button to browse your local storage.
2
Choose Your Conversion Format
A menu will appear prompting you to select from 239+ supported formats (e.g., MP4, PNG, etc.). Pick the target format that suits your needs.
3
Adjust Settings (Optional)
Depending on the format, you can choose options like file quality, compression level, or resolution. This step is optional for a quick default conversion.
4
Click "Convert"
Hit the "Convert" button to start the process. Since everything runs locally in your browser, there's no waiting for online servers.
5
Download The Converted Files
Once the conversion is done, your transformed files are immediately available to download to your device—safe, private, and hassle-free.

Frequently Asked Questions

Yes, Convert Box is 100% free. You can convert as many files as you need without any hidden fees or subscription costs.

No. Convert Box runs entirely in your browser. There is no need to install software or plugins on your computer.

Absolutely. All file conversions happen locally in your browser. Your files never leave your device, ensuring the highest level of privacy and security.

Convert Box supports over 239 file formats, including popular image, audio, video, and document types such as JPG, PNG, MP4, MP3 and many more.

Yes. The batch conversion feature lets you drag and drop several files—or even entire folders—to convert them all simultaneously.

Yes. The batch conversion feature lets you drag and drop several files—or even entire folders—to convert them all simultaneously.

Yes. The batch conversion feature lets you drag and drop several files—or even entire folders—to convert them all simultaneously.

Other Tools You May Be Interested In

Developer Creative Toolbox

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque velit lectus, sagittis in eros sed, lobortis cursus felis.

Try Now Learn More
AI Script Writer Screenshot

AI Script Writer & PDF Analyzer

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque velit lectus, sagittis in eros sed, lobortis cursus felis.

Try Now Learn More

Mobile App UI/UX Generator & Builder

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque velit lectus, sagittis in eros sed, lobortis cursus felis.

Try Now Learn More
Mobile App UI/UX Generator Screenshot

Site UI Generator & GitHub Sync

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque velit lectus, sagittis in eros sed, lobortis cursus felis.

Try Now Learn More
Site UI Generator Screenshot
More Tools