Most online PDF compressors require you to upload files to their servers first. smaller-pdf.com is different — all compression happens 100% locally in your browser. Your files never leave your device. Whether you are working with business contracts, financial statements, or personal documents, your privacy is fully protected.
Using it is simple: drag and drop your PDF onto the upload area (or click to browse), adjust the quality slider (lower values produce smaller files), and click Process. Your compressed PDF is ready to download in seconds. We reduce file size by stripping metadata and using object stream compression — text and vector graphics remain unaffected.
This free PDF compression tool has no usage limits — no registration, no payment, unlimited uses. It supports 14 languages and even works offline after the first load. Perfect for office workers, students, and freelancers who need to compress PDFs frequently.
Image quality slightly reduced, text unaffected.
Absolutely. All in-browser processing.
Recommended under 100MB.
No. Keep a backup.