Reduce PDF file size while maintaining readability. Choose your compression level.
Upload one or multiple PDFs to reduce their file size
Supports: PDF • Multiple files • Processed securely, deleted after useHailPDF reduces PDF file size by 10–30% on Low, 40–60% on Medium, and 60–80% on High, depending on the content. Image-heavy PDFs compress the most.
Low compression keeps near-original quality, Medium gives the best size-to-quality balance, and High maximises size reduction with a small quality trade-off. Text always stays sharp and selectable.
HailPDF's free Compress PDF tool offers three quality levels, no watermark, and fast server-side processing. Pair it with Merge PDF to combine and shrink documents together.
Yes. HailPDF compresses images and removes redundant data while keeping text vector-based and fully selectable, so written content remains crisp at any compression level.