BZ2 to GZ Converter
Convert BZIP2 archives to GZ in your browser. GZ is ideal when you need compressing a payload or tar stream for transfer, while BZ2 is better known for strong compression for text-heavy payloads.
- Files never uploaded
- Instant, on-device
- Free & no sign-up
Drop BZ2 files here, or browse
BZ2GZ · files stay on your device
up to 100 MB per file · up to 20 files per batch
How to convert BZ2 to GZ
- Step 01
Add your BZ2 file
Drop one or many BZ2 files onto the converter, or browse from disk. Stay within the on-device size limits shown under the drop zone — oversized files are rejected so your tab does not freeze.
- Step 02
Repack locally
Extract and rebuild the archive as GZ in your browser. Folder trees stay on this device throughout the conversion.
- Step 03
Download GZ
Download your new GZ file immediately. Multiple outputs pack into a single ZIP archive.
Why convert BZ2 to GZ
BZ2 is a bzip2 archive known for strong compression for text-heavy payloads. GZ is preferred when compressing a payload or tar stream for transfer. This BZ2 to GZ converter unpacks and repacks entirely in your browser, so installers, backups, and shared folders never upload to a remote archive service.
When to use this tool
- A tool, form, or teammate asked for GZ, but you only have BZ2.
- You are optimizing for compressing a payload or tar stream for transfer instead of staying in BZ2.
- Recipients or tools unpack GZ more reliably than BZ2, or you need a different compression trade-off.
Good to know
- Output characteristics follow GZ: fast, widely supported single-stream compression.
- Source quirks still apply — BZ2 is limited by slower than gzip and thinner everyday support, and conversion cannot invent missing data.
- Password-protected or damaged archives may fail to open; encryption is not re-applied on output unless the format requires it.
- Browser limit: about 100 MB compressed, up to 20 files per batch, and roughly 500 MB / 500 entries once extracted.
- Need a bigger file? For multi‑GB archives, use 7-Zip, WinRAR, PeaZip, or your OS archive utility — they stream to disk instead of holding everything in a browser tab.
File size limits for BZ2 to GZ
Browser limit: about 100 MB compressed, up to 20 files per batch, and roughly 500 MB / 500 entries once extracted.
Why there is a limit
Archives are fully extracted into memory before repacking. Zip bombs and huge ISO/RAR payloads can crash the tab, so compressed and uncompressed caps keep the process safe on-device.
If your file is too large
For multi‑GB archives, use 7-Zip, WinRAR, PeaZip, or your OS archive utility — they stream to disk instead of holding everything in a browser tab.
BZ2 to GZ FAQ
Common questions about converting BZ2 files to GZ.
Is this BZ2 to GZ converter free?
Yes. Browser Convert does not charge for BZ2 → GZ, add watermarks, or require an account.
Are folder paths preserved from BZ2 to GZ?
Yes when both formats support nested paths. Empty directories and exotic permission bits may be omitted.
Can I convert password-protected BZ2 archives?
Encrypted archives need to be unlocked first. Browser Convert does not upload the file, but it also cannot guess a missing password.
Is BZ2 to GZ conversion private on Browser Convert?
Yes. Your BZIP2 archive is processed in the browser. We do not upload the file to convert it, which is the main difference from typical online converters.
Are there file size limits for BZ2 to GZ?
Yes. Browser Convert accepts about 100 MB per file, with up to 20 files queued at once. Archives are fully extracted into memory before repacking. Zip bombs and huge ISO/RAR payloads can crash the tab, so compressed and uncompressed caps keep the process safe on-device. If your file is larger, For multi‑GB archives, use 7-Zip, WinRAR, PeaZip, or your OS archive utility — they stream to disk instead of holding everything in a browser tab.
Can I convert several BZ2 files to GZ at once?
Yes. Queue up to 20 BZ2 files and convert them in one pass. When finished, download the batch as a ZIP. Very large batches may need to be split so your browser stays responsive.