Compress PDF Free in Your Browser
Reduce PDF size and remove password protection — entirely on your device.
🔒Local processing
✨No watermark
⚡No account needed
Drop your PDF here
Drag & drop or click to select a PDF file
Browse FilesPDF files only · Password-protected PDFs
Compression Level
Remove password (Optional)
Your files never leave your device. Squishyfile processes everything locally using your browser's built-in engine — no server uploads, no accounts needed. Files are cleared from memory after download.
How to use this tool
1 Upload your file
Choose a file from your device, or drag and drop it into the tool area. Your file is ready to process in just a few seconds.
2 Adjust the settings
Pick the output option, quality level, target size, or format you need. You can keep the default settings for a quick result.
3 Process and download
Start the tool, wait for the browser to finish processing, then download the finished file directly to your device.
Frequently Asked Questions
Is this PDF compressor free?
Yes. You can compress PDF files for free without creating an account, installing software, or adding a watermark to the compressed PDF.
How do I compress a PDF online?
Upload your PDF, wait for the compressor to reduce the file size, then download the smaller PDF. The tool works directly in your browser, so you do not need Adobe Acrobat or any extra software.
Will compressing a PDF change the text or layout?
No. PDF compression reduces file size by optimizing images, fonts, metadata, and internal file data. Your text, page order, formatting, and layout stay the same.
How much can I reduce PDF file size?
It depends on the PDF. Scanned PDFs and image-heavy files usually shrink the most, while text-only PDFs are often already small and may only reduce slightly.
Can I compress a large PDF file?
Yes. This PDF size reducer is designed for large PDFs such as scanned documents, reports, contracts, forms, and presentation exports that are too big to email or upload.
Can I reduce a PDF for email attachments?
Yes. Compressing a PDF makes it easier to send by email, upload to forms, or share through messaging apps. Smaller PDF files upload faster and are less likely to hit attachment limits.
Does this PDF compressor add a watermark?
No. The compressed PDF is downloaded without a watermark, so you can use it for work, school, applications, forms, and personal documents.
Do I need to sign up to compress a PDF?
No. You can reduce PDF size online without registration, email signup, or a free trial. Just upload the file, compress it, and download the result.
Is it safe to compress PDFs online?
Yes, especially when compression runs in your browser. Browser-based PDF compression helps keep your document private because the file does not need to be handled like a traditional cloud upload.
Can I compress a PDF on any device?
Yes. The PDF compressor works in modern browsers on Windows, Mac, iPhone, iPad, Android, Chromebook, and Linux. You only need a browser and your PDF file.
What types of PDFs can I compress?
You can compress scanned PDFs, resumes, contracts, forms, invoices, reports, image-heavy PDFs, and presentation PDFs. Files with many images usually get the biggest size reduction.
Can I compress multiple PDF files?
If batch compression is available, you can reduce the size of multiple PDF files in one session. This is useful when you need to shrink several reports, forms, or scanned documents quickly.
Why is my compressed PDF still large?
Some PDFs are already optimized or contain high-resolution images that cannot be reduced much without visible quality loss. If the file is still too large, remove unnecessary pages or compress images before creating the PDF.
What is the difference between compressing and optimizing a PDF?
Both terms mean reducing PDF file size. Optimization usually describes a more complete process that can include image compression, font subsetting, metadata cleanup, and removal of redundant file data.
When should I use this PDF compressor?
Use it when a PDF is too large to email, upload, store, or share. It is ideal for quickly shrinking PDF files while keeping the document readable and ready to use.