Compress PDF files directly in your browser. Reduce file size for sharing or uploads without unnecessary quality loss or file uploads.
Once optimized, you can compare the quality below.
Slide the handle: Original (Left) vs Optimized (Right)
Common ways people use this tool.
Clear notes so you know what to expect.
A quick path from upload to download.
A local-first workflow that keeps your documents on your device.
Your PDFs are processed locally. We do not send your files to our servers.
Everything runs in your browser so you stay in control from start to finish.
Results download directly to your device with no waiting or email steps.
This Compress PDF tool allows you to reduce the size of PDF files directly in your browser. The compression process runs locally on your device, so your file is not uploaded to an external server during optimization.
The tool is designed for users who want smaller PDFs for email, form uploads, or storage without unnecessary quality loss.
When you select a PDF file, it is processed within your browser session. The file remains on your device throughout the compression process.
For more details, see our Privacy Policy and Terms.
Instead of aggressively lowering image resolution, this tool focuses on reducing unnecessary internal data such as unused elements and oversized structures where possible. The goal is to achieve a reasonable reduction in file size while keeping text and visuals readable.
Compression results may vary depending on how the original PDF was created.
After optimization, the tool allows you to compare the original and compressed versions of the document. This helps you confirm that readability and layout are preserved before downloading the final file. The preview reflects the actual compressed output.
This PDF compressor is commonly used for:
It is suitable for general document optimization rather than heavy image reduction.
No uploads or additional steps are required.
Not all PDFs can be significantly reduced in size. Files that are already optimized may show minimal or no size reduction. In such cases, the tool avoids unnecessary changes and preserves the original file quality.
This behavior helps prevent quality loss when compression is not beneficial.
The tool is designed to reduce reliance on server-based processing. Your PDF is handled locally and is not transmitted to external systems as part of the compression process.
For more details, users can review the Privacy Policy and Terms pages linked on the site.
In most cases, text stays sharp. If the PDF is a scanned image, heavy compression can soften it, so try a smaller file first.
Some PDFs are already optimized. When that happens, the tool keeps quality instead of forcing extra loss.
There is no fixed limit. Performance depends on your device memory and browser.
No. Compression runs in your browser and the file stays on your device.
This Compress PDF tool provides a straightforward way to reduce file size using only the browser. It focuses on clarity, predictable results, and local processing rather than aggressive compression techniques.