How do I compress a PDF for free?
Add your PDF above and click Compress PDF. Craftora shrinks the file in your browser and shows how much smaller it is, then you download it. It is free with no signup and no watermarks.
PDF Tools
Reduce PDF file size online while keeping quality.
Or choose a file from your device to compress.
Your file stays private. Compression happens in your browser and nothing is uploaded.
Drop your PDF file into the box or choose it from your device. Nothing is uploaded to a server.
Craftora repacks the PDF and strips hidden bloat to reduce the file size, right in your browser.
See how much smaller it got, then download your compressed PDF instantly.
Add your PDF above and click Compress PDF. Craftora shrinks the file in your browser and shows how much smaller it is, then you download it. It is free with no signup and no watermarks.
iLovePDF and Smallpdf upload your PDF to their servers to compress it. Craftora compresses the file directly in your browser, so your document never leaves your device, with no daily limits or watermarks on the free tier.
Craftora compresses by repacking the file and removing hidden bloat rather than degrading your pages, so text stays sharp. The amount saved depends on how the original PDF was made.
PDFs that are already well optimized, or that are mostly scanned images, have less room to shrink in the browser. Files exported from Word, Canva, or design tools usually compress the most.
No. Compression runs entirely in your browser on your own device. Your PDF is never sent to any server.
There is no fixed limit. You can compress PDFs as large as your device can comfortably handle.
JPG, PNG, and WebP all store images, but picking the wrong one gives you blurry photos, huge files, or lost transparency. Here is exactly when to use each, in plain English.
Read guide →A large PDF is a pain to email or upload, but most compressors either barely shrink it or turn your crisp text into a blurry mess. Here is how to reduce PDF file size while keeping it looking clean.
Read guide →Combining several PDFs into one file used to mean paid software or uploading private documents to a stranger server. Here is the faster, safer way to merge PDF files for free.
Read guide →