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Archive Repair Tools

Repair archives locally in your browser, with no upload.

ESC

ZIP Repair

Inspect a damaged ZIP archive locally in your browser - broken central directory, headers, or offsets - and attempt a documented, non-destructive recovery of readable entries with a downloadable recovery report.

archive.zip
broken directory
archive.repaired.zip
readable entries only

Repair a damaged archive in your browser

Use Archive Repair Tools when a ZIP will not open or its directory data is damaged. This category links to ZIP Repair, which checks the archive locally, attempts a documented, non-destructive recovery of readable entries, and provides a rebuilt ZIP with a recovery report.

How to repair a ZIP file

  1. Open ZIP Repair for the damaged archive.
  2. Let ZIP Repair inspect the archive for a broken central directory, damaged headers, or incorrect offsets.
  3. Review the recovery report and the entries ZIP Repair can read.
  4. Download the rebuilt ZIP when it contains the entries you need.

What ZIP Repair changes

ZIP Repair works on the archive you provide and attempts a non-destructive recovery. It checks the ZIP structures named in the tool description, including the central directory, headers, and offsets. The output is a rebuilt ZIP containing the entries it could read, along with a report of the recovery attempt.

If the directory data is damaged, the output can look like this:

Input:  project-files.zip
Problem: damaged central directory
Output: project-files-rebuilt.zip + recovery report

When to try recovering a broken ZIP

A ZIP from a colleague may fail to open when its central directory or headers are damaged. Open ZIP Repair to check which entries remain readable, then keep the report with the rebuilt archive.

An older backup with incorrect offsets may also need recovery. The rebuilt ZIP contains the entries ZIP Repair can read, so you can inspect those files separately from the damaged original.

When to use Archive Repair Tools or Archive Tools

Choose Archive Repair Tools when you need to inspect a damaged ZIP and recover readable entries. Open Archive Tools when you need to create ZIP or TAR files, extract and inspect archives, or clean junk files.

Frequently asked questions

How do I repair a damaged ZIP file?

Open ZIP Repair and provide the damaged ZIP for inspection. ZIP Repair attempts a documented, non-destructive recovery of readable entries and produces a rebuilt ZIP plus a recovery report.

Can ZIP Repair recover every file from a broken archive?

No. ZIP Repair includes readable entries in the rebuilt ZIP, so entries it cannot read are left out. The recovery report records the result of the attempt.

Is archive repair done without uploading my ZIP?

Yes. Archive Repair Tools is described as repairing archives locally in your browser, with no upload.

Should I use Archive Tools or Archive Repair Tools?

Use Archive Repair Tools for a damaged ZIP that needs recovery. Use Archive Tools for archive creation, extraction and inspection, or junk-file cleanup.