Compress PDF
Make your PDF documents smaller and easier to share. Reduce PDF file size in seconds with no quality loss.
Supports PDF files
Size up to 100 MB
Supports PDF files
Size up to 100 MB
How to compress a PDF
Our online PDF compressor makes it simple to reduce file size while maintaining document quality.
- 1.🚀
Upload your PDF
Drop your PDF document into the upload area or select it from your device.
- 2.⚡
Reduce PDF size automatically
Our platform analyzes your PDF and reduces its size by removing unnecessary data without affecting quality.
- 3. ✅
Download instantly
Your compressed file is ready; download it and share it wherever you need!
More PDF tools you might need
What makes our PDF compressor different
Effortless compression
Upload your document and let our tool analyze and compress it efficiently. The best solution for making PDFs smaller without complicated settings.
Lightning-fast processing
No more waiting around. Our software processes your files fast so you can get back to what matters most.
No limits on creativity
Our free PDF compressor has no usage limits, no paywalls, and no hidden fees. Compress as many PDF files as you need.
Optimizes automatically
Our platform analyzes your PDFs to remove unnecessary elements, such as duplicate fonts, metadata, and embedded objects.
Professional output
Your documents maintain their formatting, layout, and visual clarity. Every compressed file looks polished and professional.
Proven and secure workflow
Every document is encrypted during processing. We prioritize your security, and all files are automatically deleted from our servers after compression.
Frequently asked questions
Is PDFFly’s PDF compressor free to use?
Yes, PDFFly lets you compress PDFs free of charge. Online PDF compression is possible on any device and any platform — Windows, Mac, Android, or iPhone — without paying anything. There are no subscription fees, usage limits, or sign-up requirements. Just upload your file and compress PDF online instantly.
Will compression affect fonts or document quality?
No, compression will not affect the quality of your document. Our tool uses intelligent algorithms that reduce PDF file size without losing quality. Fonts, images, and formatting remain intact. Whether you’re compressing a presentation, report, or scanned document, the output maintains professional standards.
What size PDFs can I compress?
You can compress PDF files up to 100 MB. If your document is larger, try removing unnecessary pages or images before compressing. For most business documents, reports, and presentations, this size limit is more than sufficient.
Why would you need to compress PDFs?
You need to compress PDFs to reduce file size for easier sharing, especially via email, where attachments have size limits. PDFs of a smaller size also save storage space on your device and in cloud services. Compression improves mobile accessibility and loading speed by optimizing images and removing unnecessary data, such as metadata and embedded objects. For businesses, compressed documents mean faster file transfers and lower bandwidth costs.
Is this PDF compressor tool safe?
Yes, PDFFly is completely safe to use. All files are processed securely with SSL encryption, and we never share your data with third parties. Your documents are automatically deleted from our servers shortly after processing. No sign-up is required, so your personal information stays private.
Optimize your work with our free PDF compressor
Reduce file size instantly. No downloads, no sign-up.