Compress PDF File
Reduce PDF file size up to 90% while optimizing for the best visual clarity and font preservation
Choose Files
or drop documents directly into this area
Fast & High Quality
Automatic 2-Hour Purge
Multi-File & Batch Support
How to use Compress PDF File
Upload one or multiple PDF documents using the drag-and-drop zone above.
Choose your compression profile: Maximum for smallest size, Balanced for everyday sharing, or Lossless for print-ready preservation.
Optionally toggle Grayscale conversion for maximum byte-efficiency.
Click Compress PDF to optimize and reduce the file size in seconds.
Download your individual compressed PDF or batch ZIP archive.
Frequently Asked Questions
Reduction ranges from 40% to 90% depending on document contents. Scanned documents and image-heavy PDFs experience the largest reduction (often over 75%), while pure text PDFs see 25% to 50% through deflate stream compression.
Never. Vector typography, outlines, hyperlinks, and bookmarks are preserved losslessly. Compression specifically targets bitmap images, stream redundancy, and unreferenced object dictionaries.
Yes. You can upload up to 25 PDF files at once. Each document is compressed in memory, and the results are automatically bundled into a clean ZIP archive for 1-click download.
All document operations run in sandboxed worker environments with strict memory isolation. No documents are permanently stored; files are automatically erased from cache within 2 hours.
Related Document Tools
Continue your document processing workflow with these complimentary tools: