Reduce PDF file size instantly. Choose your quality level — compression happens 100% in your browser.
Compress PDF files online in seconds — no signup, no watermarks, no file size limits. Drop your PDF, pick a quality level, and download a smaller file. Unlike SmallPDF or iLovePDF, your document never leaves your device. Everything runs in your browser using pdf-lib and the Canvas API. Perfect for email attachments, upload limits, or just saving storage space.
This tool rebuilds your PDF by re-rendering each page as a compressed image and assembling the pages into a new, smaller PDF. You choose the quality level — lower quality means smaller files, higher quality preserves more detail. Best for PDFs with images, scans, or graphics.
No. The compression happens entirely in your browser using the HTML5 Canvas API and pdf-lib. Your document never leaves your device. Unlike SmallPDF or iLovePDF, no files are sent anywhere.
It depends on the content. PDFs with lots of images or scans can often be reduced 50-80%. Text-heavy PDFs with few images see smaller reductions. Use the Medium or Low quality setting for maximum compression.
This compressor re-renders pages as images, so text becomes rasterized. For documents where you need selectable text, use the High quality setting. For scans, receipts, or image-heavy PDFs, Medium or Low works great and gives the best compression.