PDF UtilitiesPDF CompressorFree Tool

Batch Compress PDF

Apply the same compression settings to multiple PDF files in one operation. Upload a batch of PDFs, choose a compression level, and download all compressed results as a single ZIP file.

How to Use Batch Compress PDF
  1. 1Upload multiple PDF files by selecting them all at once
  2. 2Choose the compression level to apply to all files
  3. 3The tool processes each file and shows individual size reductions
  4. 4Click 'Download All as ZIP' when all files are processed
  5. 5Extract the ZIP to get all compressed PDFs with their original file names
Examples
  • Compress 30 monthly report PDFs in one operation before archiving to cloud storage
  • Batch-reduce 50 invoice scan PDFs before uploading to an accounting platform
  • Compress an entire year of scanned receipts in one go for expense reconciliation
  • Reduce a folder of 100 contract PDFs to meet a document management system size quota
Frequently Asked Questions

As many as your browser memory supports. Typically 20–50 average-sized PDFs (under 5 MB each) process in one batch without issue.

No. Batch compression applies the same quality/level settings to all files in the batch. For different settings per file, compress them individually.

All compressed PDFs are packaged in a single ZIP file for download. File names match the originals so you can easily identify each result.

Processing time scales with total input size. A batch of 20 PDFs at 2 MB each typically completes in 30–60 seconds in the browser.

Yes. The compression level setting applies to all, but each file's characteristics determine how much it actually shrinks — scanned PDFs typically shrink more than text-only PDFs.

Yes. Batch compression runs entirely in your browser. No file in the batch is uploaded to any server.

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