Reduce PDF file size quickly and securely right in your browser. No uploads required.
Drag & drop or click to select PDFs
Struggling to email a large document? Use our free PDF compressor to reduce PDF size online. Whether you need to make a PDF smaller for an online application, email attachment, or just to save storage space, our tool optimizes your files instantly. Our "flatten to compress" method ensures maximum reduction by cleverly converting complex layouts into optimized images, all while preserving visual clarity.
1. Select Files: Drag and drop the documents you want to shrink into the upload area above.
2. Choose Compression Level: Select from Extreme, Recommended, or Less compression depending on your quality needs.
3. Compress: Click "Compress All PDFs". The system will process each file securely in your web browser. Once finished, click Download to grab your highly optimized files.
This tool processes the document directly in your browser using intelligent scaling. By flattening complex vector paths and resizing high-DPI images into optimized visual data, it achieves a massive reduction in file size while keeping text and graphics crisp and legible for screen viewing.
Yes. Uniquely, our service compresses your PDFs fully offline within your web browser. Your private documents, tax returns, and legal files are never uploaded to any remote server, ensuring absolute privacy and data safety.
You can compress PDFs up to 100MB in size. Furthermore, you can add multiple large files in a single batch. Your browser will sequentially shrink each of them without crashing.