Java archive .jar
A ZIP-based package of Java resources. Conversion extracts contents without executing code.
Server conversion requires a compatible engine we host and a verified file variant.
JAR file format guideJAR converter
Convert Java archive files for free. Choose from 11 output formats, inspect file details and download your results. No account needed.
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Add files
Drag files here or choose them from your device.
Choose an output format
Open a conversion below or choose the output above. Add up to 100 files and download results separately or in a ZIP.
How to convert JAR files
- Select JAR files from your device or drag them into the converter.
- Choose your output format. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Convert regular archive files to ZIP, 7Z, TAR and compressed TAR, or inspect and extract the contents. Links, special filesystem entries and permissions are not retained. Enter a password in Options for encrypted input. Single-stream compression packs multiple files in TAR.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.