Choose one PDF file from your device or drag and drop it into the upload area.
Decide whether to keep metadata and whether to refresh form appearances before generating the smaller file.
Your compressed PDF is ready.
Download the optimized file and share it more easily.
Upload your PDF, choose whether to preserve metadata, and generate a smaller file in a few clicks. Compression runs locally so your document stays on your device.
Struggling with a PDF that's too large to email or upload? IronFreeTools' Compress PDF tool reduces your PDF file size quickly and efficiently, right in your browser, no account required.
Large PDF files are a common headache. Email attachments have size limits, file upload fields reject oversized documents, and slow-loading PDFs frustrate readers. Compressing your PDF solves all of these problems while keeping your content readable and your formatting intact.
A smaller PDF is faster to share, easier to store, and less likely to hit upload restrictions. Compression reduces the file size by optimizing images, removing redundant data, and streamlining the document structure, without visibly degrading the document quality for everyday use.
Upload your PDF and the tool automatically applies compression to reduce file size. Download the compressed PDF instantly. For developers who need to automate PDF compression at scale in .NET projects, IronPDF's PDF file compression API provides full programmatic control over compression settings, part of IronPDF's broader performance and optimization features.
Compress PDF rewrites your document using optimized save settings to reduce file size and make the PDF easier to store, upload, and share.
The tool is designed to reduce overhead in the PDF structure while preserving the document content, so normal readability should remain unchanged.
Yes. You can choose to preserve metadata such as title, author, and subject, or remove it to help minimize file size.
If your PDF contains form fields, enabling this option refreshes how those fields are visually rendered before the output is saved.
This page currently processes one PDF at a time so you can review the compression result for each file individually.
No. Compression runs locally in your browser using the IronFreeTools library.
Not always. Results depend on how the original PDF was created. Files with extra metadata or less efficient structure usually see the biggest improvement.
No. You can compress PDFs directly in your browser with no installation or sign-up.
Yes. IronFreeTools offers PDF compression for free.
Reduce PDF file size quickly Keep processing in your browser Optionally preserve metadata No account required Fast download of the optimized file Make PDFs easier to send and store.