Drop a folder of archives and get a unified report: format, total size, compressed size, entry count, ratio, largest file. Perfect for backup audits.
Per-job file size, entry count, and batch caps for Batch Report. Limits apply to every Archive tool in JAD Apps; upgrade for larger uploads and bigger batches.
| Tier | Max archive size | Max entries / archive | Max files per batch |
|---|---|---|---|
| Free | 47.7 MB | 500 | 1 |
| Pro | 476.8 MB | 50,000 | 20 |
| Developer | 1.86 GB | 50,000 | 20 |
This tool requires the Pro plan or higher.
Drop multiple archives — any mix of ZIP, TAR.GZ, 7Z, RAR, BZ2
We analyse each one's metadata and compressed/uncompressed sizes
Download a CSV or JSON report ready for Excel, Splunk, or audit pipelines
0 bytes uploaded. Batch Compression Report runs entirely in your browser using fflate, zip.js, and libarchive WASM. Your archive files never leave your device.
filename, format, sizeBytes, compressedSize, entryCount, ratioPercent, largestEntry, largestEntrySize, encrypted, error (if any).
No — only top-level metadata. For deep inspection, run Nested Archive Extractor first to flatten, then re-run this tool. The report focuses on per-archive summary stats.
Per file: tier limit (50 MB free, 500 MB Pro, 2 GB Pro+Media). Across the batch: limited only by browser memory. Streaming reads keep memory bounded for very large folders.
Break down a ZIP by file type and folder. See which extensions dominate the archive and where the bulk lives. Helps identify low-value bloat. Bar chart included.
Open toolInspect every entry in a ZIP and see compression ratios per file plus the overall archive ratio. Spot already-compressed files that don't benefit from re-zipping.
Open toolDrop multiple archives — ZIP, 7Z, TAR — and get a single output ZIP with each source unpacked into its own subfolder. Saves dozens of clicks; great for log review.
Open tool