Reduce PDF file size significantly. Free, fast and private — no signup required.
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Max 256MB · Auto-deleted after 1 hour · Accepted: .pdf
Click "Choose File" or drag & drop your file into the area above. Up to 256MB.
Our server converts your file instantly using Ghostscript + QPDF.
Download your converted file. It's deleted from our server automatically after 1 hour.
Yes, 100% free with no hidden costs. No signup, no credit card, no watermarks. All tools on PDFToolKit are permanently free.
This tool is powered by Ghostscript + QPDF — trusted open-source software used by millions worldwide. No third-party APIs are used, so your file never leaves our server.
Your file is uploaded over an encrypted HTTPS connection. It is stored temporarily only for processing and is automatically deleted after 1 hour. We never read, share, or sell your files.
The maximum file size is 256MB — matching our Hostinger server configuration. This handles the vast majority of PDF and document files.
Yes! PDFToolKit is fully responsive and works on all devices — iPhone, Android, iPad, and all major desktop browsers. No app download needed.