Your PDF Isn't Big Because of the Text: Compressing PDFs Entirely in the Browser
Every developer who has built a file tool has heard the same user complaint: "Your compressor ruined my document." And every user who has uploaded a national ID card to a random compression website has felt the same quiet worry: "Where did my file just go?" Both problems have the same root cause — most PDF compressors treat a PDF like a photograph. They render each page to an image, squeeze the…
Every developer who has created file tools has heard users complain about ruined documents after compression. Users who uploaded important documents, like national ID cards, to online compression services have felt the worry of losing their files forever. The root cause of these problems is the way most PDF compressors treat PDFs like photographs.
They render each page as an image, compress the image, and return a file that looks like a photocopy of a photocopy. These compressors run on a server, which is how things have always been done. However, there is a better way to compress PDFs entirely in the browser, preserving the quality of the document.
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