Compress large PDF documents to make them easier to email or upload.
File too large for email? Fix it with the Free PDF Compressor. It is the Best PDF Compressor available to securely compress pdf online without uploading your sensitive data.
PDFs are usually large because they contain high-resolution images. The compressor lowers the DPI of these images and removes unnecessary metadata, drastically shrinking the file.
No, standard text and vector fonts are never compressed. Only raster images (photos) inside the PDF are affected.
If your PDF is primarily text and contains no heavy images, it is already as small as it can be. Compression only works on unoptimized images.
Yes! The optimization is done via local JavaScript. No files are uploaded to an external server.
No, the compressor primarily optimizes embedded images, leaving text perfectly sharp.
It depends on the amount of images in the file, but sizes often reduce by 50% or more.
Yes, because the compression runs locally on your device.
Yes, this free pdf compressor requires no payment.
Its balance of high visual quality and deep file size reduction.