Compress PDF
Reduce PDF file size in your browser
Drop a PDF file
🔒 Files never leave your device
How it works
- 1Upload a PDF
Drop or select your PDF file.
- 2Choose quality
Pick low, medium or high image quality.
- 3Download
Save the smaller PDF to your device.
About Compress PDF
Reduce PDF file size by re-encoding images and stripping metadata. Runs entirely in your browser — perfect for private documents. Compress PDF on DashConvert runs entirely inside your browser using modern JavaScript APIs — no server ever sees your files. That means faster conversions, complete privacy, and no upload limits.
Whether you need to reduce pdf file size in your browser for work, study, or personal use, this tool is free to use as many times as you need. There are no watermarks, no sign-up, and no ads inside your documents.
Frequently asked questions
How much smaller will my PDF be?
It depends on the file. Image-heavy PDFs shrink the most (often 30–60%). Text-only PDFs may not shrink much.
Is compression lossless?
Text is preserved perfectly. Images are re-encoded as JPEG at the selected quality.
Read more
How to extract text from a PDF (for analysis, search, or feeding to an AI)
Copy-pasting from a PDF gives you broken columns and mangled formatting. Here's how to pull clean text from any PDF — and what to do when the PDF is really just images.
TIFF to PDF: how to convert scans, faxes, and legal documents the right way
TIFF is the format lawyers, hospitals, and government agencies still use. Converting to PDF is easy — doing it without losing multi-page structure, resolution, or metadata is what trips people up.
How to convert HTML to PDF that actually looks right (2026 guide)
'Save as PDF' from a browser is fine for receipts. For anything else — invoices, reports, tickets — you need to know why the layout breaks. A practical guide based on what users on Reddit and Stack Overflow actually run into.
How to convert Excel to PDF the right way (no cut-off columns)
Excel to PDF sounds simple until you get a PDF where a wide table's last three columns landed on their own separate page. Here's how to actually control the layout.
How to remove a password from a PDF you own
Legitimate reason: your bank statements arrive password-protected and you're tired of typing the password every time. Here's the safe way to unlock them.
How to convert Word to PDF (and actually keep the formatting)
Word-to-PDF is one of those things that 'just works' 90% of the time and creates disasters the other 10%. Here's what breaks and how to avoid it.
How to compress a PDF without losing quality
'Compress' and 'without losing quality' are in tension — but not as much as you might think. A guide to shrinking PDFs sensibly, from 100 MB monsters to email-ready.
How to merge PDFs without uploading them anywhere
Most 'free' PDF mergers upload your files to a server. Here's why that matters, and how to combine PDFs entirely in your browser instead.