Offline Converter
Convert image, video, audio and document files offline by JavaScript in your web browser without any software downloads or file uploads! Offline converter is the opposite of online converter, it's for maximum protection of your privacy because all files are converted locally instead of cloud servers. Another advantage of offline converter is that file size can be up to 2 GB while very few online converters support file size larger than 100 MB.
Please note some web browsers do not support or do not fully support offline converter yet. We recommend using the latest Chrome browser for Windows. Try online converter instead if this offline converter doesn't work in your web browser.
Comparison
Comparison of offline converter and online converter:
| COMPARISON | Offline converter (offlineconverter.com) | Online converter (aconvert.com) |
|---|---|---|
| PRIVACY | Maximum protection of your privacy because all files are converted locally | Files will be uploaded to online servers to convert |
| FILE SIZE | Up to 2 GB | Up to 200 MB |
| TIME | Unlimited | Up to 10 minutes |
| SPEED | Fast | Slow |
| SYSTEM USAGE | Occupy your computer's CPU and memory resources, may freeze your web browser occasionally | Does not occupy your computer's CPU or memory resources |
| FILE FORMATS | 110+ file formats | 260+ file formats |
| JAVASCRIPT | Up to 32 mb | Less than 0.1 mb |
| COMPATIBILITY | Modern web browsers that support new technologies such as ES Modules, WebAssembly, Shared Array Buffer and Site Isolation. | Support all kinds of web browsers |
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