Compress PDF
Reduce PDF file size online while preserving readability and quality. Free, fast, no signup.
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About Compress PDF
Need to compress a PDF for email, a government form, or a web upload? Our free online PDF compressor reduces file size while preserving text readability and image clarity. Whether you are compressing a scanned document, a large report, or a presentation, this tool works instantly in your browser — no software download, no account required. Works on desktop, iPhone, Android, and tablets.
Why Use Compress PDF?
- Reduce PDF size before sending as an email attachment to meet file size limits.
- Compress large PDF reports and presentations for faster web upload.
- Shrink scanned PDF documents to save storage space on your device or cloud.
- Optimize PDFs for faster loading on websites and document portals.
- Reduce file size for PDF forms before submitting to government or business portals.
FAQ
How much can I reduce my PDF size?
Reduction depends on original content. Scanned or image-heavy PDFs can be reduced by 50–80%. Text-only PDFs typically see 10–30% reduction using our lossless compression.
Will compressing reduce the quality of my PDF?
We use intelligent compression that targets file structure overhead without degrading readable text or visible image quality. Most compressed PDFs look identical to the originals.
Is the PDF compressor free?
Yes, completely free. No account required, no watermarks added, no usage limits.
How long are my files kept on your servers?
Files are automatically deleted immediately after your download completes. We retain nothing.