Compress PDF File
Reduce PDF file size using smart optimization.
🔒 Files are processed locally in your browser.
Drag & drop a PDF here
or click to select
Compression Level
Aggressive mode converts pages to images. Text will not remain selectable.
Reduce PDF file size using smart optimization.
🔒 Files are processed locally in your browser.
Drag & drop a PDF here
or click to select
Aggressive mode converts pages to images. Text will not remain selectable.
PDFKit’s PDF compressor helps you reduce PDF file size directly in your browser. Whether you need to email a large document, upload a PDF to a website, or save storage space, our tool makes PDF compression fast and secure.
Unlike online PDF compressors that upload your files to cloud servers, PDFKit processes everything locally on your device. This means your documents remain private and never leave your computer.
Lossless compression optimizes the internal structure of the PDF without affecting text clarity or image quality.
Aggressive compression converts pages into optimized images, significantly reducing file size. This is ideal for sharing or archiving, but text will no longer be selectable.
Yes. PDFKit’s PDF compressor is completely free with no signup and no watermark.
No. All compression happens locally in your browser. Files are never uploaded.
Lossless mode preserves quality. Aggressive mode reduces size further by converting pages to optimized images.
Try other tools: Merge PDF, Split PDF, PDF to JPG