FastPDFEdit lets you compress PDF files online for free without signup or watermark. Upload your PDF, reduce file size instantly, and download a high-quality compressed PDF securely.
FastPDFEdit is a free online PDF compressor that reduces file size without losing quality.
PDF files with high-resolution images, embedded fonts, and complex graphics can easily exceed 10–20MB. This makes them too large to send via email (Gmail limits attachments to 25MB), slow to upload to websites, and inconvenient to share on messaging apps.
Compressing a PDF can reduce its size by 50–90% in many cases — especially when the original contains scanned pages or large embedded images. The document content, text, and formatting remain intact after compression.
How much can I reduce a PDF file size?
It depends on the content. PDFs with many images or scanned pages can be reduced by 60–90%. Text-only PDFs will see smaller reductions of 10–30%.
Does compressing a PDF damage the content?
No. Compression reduces the embedded image resolution and removes redundant data, but all text, links, and formatting are preserved.
What is the maximum PDF size I can upload?
Free users can upload PDFs up to the server limit. For very large files (100MB+), we recommend splitting the PDF first using our PDF Splitter.
Is there a watermark added to compressed PDFs?
No. FastPDFEdit never adds watermarks to any processed file.
Are my PDFs stored on your server?
No. All uploaded files are automatically deleted from our server within minutes of processing. We do not store or access your documents.