PDF Compressor (Raster Mode)
Compress PDF files by re-encoding pages locally with bounded DPI and quality options.
PDF Raster Compressor
Compress image-heavy and scanned PDF files by re-encoding pages locally in your browser.
Raster Mode Notice: This in-browser compressor renders pages as compressed images. It is ideal for scanned documents and image portfolios. Text will become non-selectable and links/form fields will be flattened.
Drag & drop image files here, or browse
Select or drop a scanned or image-heavy PDF to compress (up to 50 pages).
How to use PDF Compressor (Raster Mode)
Upload File
Drag & drop your files into the local dropzone or browse from your device.
Adjust Settings
Customize options, formats, quality, or dimensions in real-time.
Download Result
Save high-quality output files directly to your device instantly.
Why use ImgZero for PDF Compressor (Raster Mode)?
Frequently Asked Questions
Does raster compression affect selectable text?
Yes. Raster mode converts pages into images before compiling. Selectable text and hyperlinks are converted to high-resolution page pictures in the process.
100% Client-Side Privacy Guarantee
Your files stay on your machine. No server uploads and no file-content tracking.