ZIP Repair: Fix Corrupted ZIP Files Online

Recover a corrupted ZIP file that won't open — we rebuild it and hand back a clean, working .zip. Free, online, no watermark.

Free forever
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Upload the broken or unreadable .zip file.
We re-read it and rebuild its structure.
Download the repaired .zip file.

zip.repair brings broken ZIP files back to life. Upload a corrupted .zip that won't open and the tool rebuilds its structure to recover a clean, working file. Free, no account, no watermark.

Our guides explain why ZIP files corrupt, what repair can and can't recover, and how to avoid losing files in the first place.

One job, done well: ZIP repair

zip.repair does exactly one thing — rebuild a damaged .zip file — and tries to do it better than a general converter. If a file is too far gone to rebuild whole, it recovers as much as it honestly can.

ZIP repair guides

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ZIP format explained ZIP vs RAR vs 7z: Which Archive Survives Corruption? ZIP, RAR, and 7z handle corruption differently. This guide compares their built-in protections so you can pick the safest format for backups. 4 min read ZIP format explained Inside a ZIP File: Local Headers and the Central Directory A plain-English tour of the zip file structure that explains why damage in one place breaks opening while the files inside survive. 4 min read How to repair ZIP ZIP Won't Open on iPhone or Android: What to Do Practical steps for opening ZIP files on iPhone and Android using built-in tools, plus how to handle common mobile failure points. 3 min read Why ZIP files corrupt ZIP File Is 0 Bytes or Empty After Download A 0-byte ZIP file cannot be repaired; an empty archive of 22 bytes is valid; a large ZIP with no files may have a damaged central directory that can be fixed. 3 min read Why ZIP files corrupt Password ZIP Won't Open: Corruption or Wrong Password? Learn why your password protected zip won't open, how to tell if it is a wrong password or corruption, and what tools like Windows File Explorer and 7-Zip can do. 3 min read Recovering ZIP data Open a Split ZIP (.z01, .z02) With a Missing Part How to open a split ZIP archive when a volume is missing, including naming styles, extraction steps, and realistic recovery possibilities. 4 min read ZIP format explained ZIP Files Over 4 GB: ZIP64 Explained and Fixed Understand the classic ZIP 4 GB limit, how ZIP64 fixes it, and why large archives may appear corrupt on older tools or FAT32 drives. 4 min read How to repair ZIP "Unable to Expand" ZIP on Mac: Error 1, 2 and 79 Fixed Resolve 'Unable to Expand' ZIP errors on Mac with Terminal commands and fixes for permission problems, wrong file types, and corruption. 3 min read

ZIP Repair FAQ

Is zip.repair free?

Yes — the tool is free, with no watermark and no account.

What corruption can it fix?

Broken headers, damaged indexes and interrupted downloads recover well. Badly truncated .zip files may only partly recover — the tool tells you honestly.

Are my files private?

Files are processed in an isolated workspace and removed shortly after download.