Compress PDF
FreeReduce PDF file size while maintaining readability.
Choose Preserve quality for readable results, or Max compression for the smallest file.
Drag files here
Single file · PDF files · Max 100 MB
Files stay on your device — processing runs in your browser. Recent files are kept locally for 1 hour. Recent files are kept locally for 1 hour.
Showcase
See Compress PDF in action
Reduce PDF file size while maintaining readability.
- Private — files never leave your device
- Results update in the browser as you work
- Works on desktop and mobile browsers
How to use Compress PDF
Shrink a PDF while keeping it readable.
Upload PDF
Drop the PDF you want to reduce
Process
Rewrites object streams locally for a smaller file
Check savings
See how much size you saved in the result message
Download
Save the compressed copy
FAQs
Answers to the questions people ask most about privacy, quality, limits, and Compress PDF.
Yes. Compress PDF is free for everyday use. It runs in your browser with no account required for this tool.
For this tool, processing stays on your device in the browser. Files are not uploaded to Tools2Easy servers, so there is nothing for us to store or delete later. Close the tab when you are done if you want the in-memory preview cleared.
No install and no account for free tools. Open the page, add your file or text, process, then download or copy the result.
It depends on the settings. Lossy formats (like JPG/WebP) and compress tools trade some detail for a smaller file — use the quality controls when shown, and preview before you download. Lossless options (like PNG) keep full detail when available.
Accepted types for Compress PDF are listed in the upload area. Most browser tools work best under about 100 MB; very large files may fail or run slowly because your device does the work.
Yes, in modern mobile browsers (Chrome, Safari, Firefox, Edge). Large PDFs, images, or videos can be slower on phones because processing uses your device memory and CPU.
Browser tools depend on your device and file size — not a remote server queue. Close extra tabs, try a smaller file, or use a desktop browser if a large job stalls. If the tab crashes, the file was likely too heavy for available memory.
Yes. Results show in the workspace first. Download only when you are happy with the output. Use Compare on image/video results when you want to check against the original.
Use Unlock PDF when you know the password. Other PDF tools usually need an unlocked file. Lock PDF can add a password after you finish editing.
Because processing stays in your browser, files are not sent to Tools2Easy for this tool — a stronger privacy model than sites that upload then delete after an hour. You are still responsible for company policy; for highly regulated data, confirm your internal rules.
Many PDF tools accept more than one file (merge, compress, convert). The workspace shows how many files you can add. Order matters for merge — rearrange before you run the tool.
Start with the default quality, preview, then lower quality only if you still need a smaller file. Aggressive compression can introduce blur or artifacts — that is expected with lossy compression.