PDF guides
Short, practical guides to getting the most out of QuietPDF: how in-browser compression works, how to reduce a PDF to a target size, and what to know before trusting any online PDF compressor with your files. Or skip the reading and compress a PDF now.
Compress a PDF in your browser
What “in the browser” actually means, why your file never reaches a server, and how to compress without installing anything.
Read the guide →Reduce PDF file size
Shrink a PDF, choose the quality trade-off with presets, and get a scan under common email attachment limits.
Read the guide →Is it safe to compress a PDF online?
What most “online” compressors do with your uploads, the privacy risks, and how local in-browser compression avoids them.
Read the guide →Extract text from a PDF
Pull the text out of a PDF in your browser, why scanned PDFs need OCR, and when to download .txt vs .md.
Read the guide →Merge PDF files
Combine PDFs into one file in your browser, set the page order, and why merging confidential documents locally keeps them private.
Read the guide →Use dark mode
Turn QuietPDF dark with one click, how your choice is saved across visits, and why it doesn’t follow your system theme.
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