Which archive formats can Rev Zip create and extract?

Create: ZIP (optionally password-protected), 7z (optionally password-protected), TAR, TAR.GZ, TAR.XZ, TAR.BZ2. Extract: ZIP, RAR including RAR5, 7z, TAR and all compressed TAR variants, GZ, BZ2, XZ, ZST, ISO, CAB, CPIO, AR and more.

Can I convert a RAR to ZIP?

Yes. Open the RAR in Extract mode, then use Save As to re-pack its contents as ZIP, 7z or TAR.GZ. You can also rename, delete or add files before saving.

How do I send a large archive by email?

Choose a split size such as 25 MB in Create mode. Rev Zip packs your files into several independent ZIP parts, each under the limit, so recipients can open every part without special software.

Does Rev Zip work offline?

Yes. Install it as an app from your browser and it works with no internet connection at all.

Zip, Unzip & Convert Archives — Without Sending Them Away

Q: Is there a file size limit?

For ZIP creation in Chrome, Edge and other Chromium browsers, Rev Zip streams directly to disk, so multi-gigabyte archives work without using memory. Other formats and extraction are limited only by your device's available memory.

Create ZIP, 7z and TAR archives. Extract ZIP, RAR, 7z, TAR and ISO. Password-protect, split for email, preview, edit, convert and verify — all inside your browser. Your files never leave your device.

🔒 100% client-side⚡ WebAssembly speed🌊 Streams multi-GB ZIPs📴 Works offline🆓 Free forever

📦

Drop files or folders here

or · · or paste with Ctrl+V

Any file type · any number of files · nothing is uploaded

🔒 Private by design

Compression and extraction happen in your browser's memory. Nothing is uploaded, logged or stored — close the tab and it's gone. Unplug your Wi-Fi and it still works.

📦 Create every format that matters

ZIP for universal compatibility, 7z for the smallest size, TAR.GZ / XZ / BZ2 for Linux and dev workflows. Password-protect ZIP and 7z with one field.

🌊 Multi-gigabyte ZIPs, zero memory

On Chromium browsers Rev Zip streams the ZIP straight to your disk as it compresses. Back up a 20 GB photo library without a single "out of memory".

✉️ Email-safe splitting

Pick 10, 20 or 50 MB and your files are packed into independent ZIP parts that each open normally — no special joining software for the recipient.

📂 Opens almost anything

ZIP, RAR5, 7z, TAR, GZ, BZ2, XZ, ZST, ISO, CAB, DEB, RPM, JAR, APK, EPUB, DOCX — powered by libarchive compiled to WebAssembly. Encrypted archives supported.

🔁 Convert & repack

Open a RAR, delete the junk, rename a folder, drop in a README, then save it as ZIP, 7z or TAR.GZ. Nested archives open with a click.

✏️ Preview, edit, search inside

Images with zoom, PDF, audio, video, CSV as a table, JSON pretty-printed, Markdown rendered, hex view for binaries. Edit text in place. Search text across every file in the archive.

✅ Integrity testing

One click runs a full 7-Zip test pass over the archive you opened — CRCs, headers, encryption — and tells you if a download is corrupt before you trust it.

🔑 Checksums built in

SHA-256, SHA-1, SHA-384, SHA-512 and CRC32 for any file — or any file inside an archive. Paste an expected hash and get an instant ✅ / ❌.

📲 Install as an app

Add Rev Zip to your home screen or desktop. It registers as a handler for .zip/.rar/.7z files and as a share target, so "Open with Rev Zip" just works — fully offline.

Frequently Asked Questions

Are my files uploaded to a server?

No. Rev Zip runs entirely in your browser using JavaScript and WebAssembly. Files are compressed or extracted on your own device and are never transmitted anywhere. Disconnect from the internet — everything keeps working.

Which formats can Rev Zip create and extract?

Create: ZIP (optional password), 7z (optional password), TAR, TAR.GZ, TAR.XZ, TAR.BZ2. Extract: ZIP, RAR (incl. RAR5), 7z, TAR and all compressed TARs, GZ, BZ2, XZ, ZST, ISO, CAB, CPIO, AR, DEB, RPM, plus ZIP containers like DOCX, XLSX, PPTX, EPUB, JAR, APK.

Can I convert RAR to ZIP (or 7z to ZIP)?

Yes. Open the archive in Extract, optionally rename/delete/add files, then choose a format in Convert. Everything is re-packed locally.

How do I send a big archive by email?

In Create, pick a split size (e.g. 20 MB for Gmail/Outlook). Rev Zip bin-packs your files into independent ZIP parts, each under the limit. Each part opens on its own — no joining required.

Is there a file size limit?

ZIP creation on Chrome, Edge, Brave and Opera streams to disk, so there's effectively no limit. Other formats and extraction are limited by your device's memory — typically several GB on desktop, several hundred MB on phones.

How strong is the password protection?

7z uses AES-256 with encrypted file names (nothing about the contents is visible without the password). ZIP defaults to AES-256 too; pick ZipCrypto if the recipient must open it with plain Windows Explorer, which cannot read AES ZIPs.

Does it work offline?

Yes. Tap "Install App" (or Add to Home Screen on iPhone) and Rev Zip works with no internet connection.

📲 Get the mobile app

Android / Chrome

Tap Install App above, or menu ⋮ → Install app. Then share any archive to Rev Zip from your Files app.

iPhone / iPad

Tap Share ⎙ → Add to Home Screen.

Desktop

Click the install icon in the address bar, or Install App above. Right-click any .zip → Open with Rev Zip.