How to compress a PDF
- Select or drop your PDF file.
- Choose a compression level.
- Click compress and download the optimized PDF.
PDF TOOL
Compress PDF files
online free.
Reduce PDF file size directly in your browser with simple presets for email, sharing, and website uploads.
Private browser processing. No account needed.
07PDF COMPRESSOR Ready
Upload a PDF file
Choose a PDF and select how strongly you want to optimize the file.
PDF
Drop PDF hereor PDF · one file at a time0 files
Preparing...
Private by design. PDF optimization runs in this browser where supported. Files are not stored on our server.
WHY COMPRESS PDFSmaller PDFs,
Smaller PDFs,
easier sharing.
Large PDFs can be difficult to email, upload, or share on forms. This PDF compressor helps reduce file size while keeping the workflow simple and privacy-friendly.
- Compress PDF files online without signup.
- Choose light, balanced, or strong optimization.
- Process files in your browser where supported.
- Download the optimized PDF immediately.
Related tools
Need to prepare images or create a PDF from photos? These tools work well together.
PDF Compressor FAQ
Will this reduce every PDF file?
Not always. PDFs that are already optimized may not become much smaller, but ordinary PDFs can often be rebuilt into a lighter file.
Is PDF compression private?
The tool is designed to run in your browser where supported, so your PDF is not intentionally uploaded to AskTechDigital for processing.
Which compression level should I use?
Balanced is the best first choice. Use strong when size matters most, and light when you want to preserve more quality.