Optimize PDF (Beta)
Try to optimize the file size of your PDF documents. Note: Browser-based compression has limitations.
⚠️ Important Note:
Browser-based PDF optimization is very limited. The file may become larger or smaller depending on PDF structure. For professional compression, we recommend online services or desktop software.
Results vary greatly depending on PDF type. Text PDFs often become larger, while image PDFs can sometimes become smaller.
Select PDF file or drop here
Maximum 100 MB
Click here or drag a PDF file into this area
Frequently Asked Questions
Why is my PDF file getting bigger instead of smaller?
Browser-based compression is limited and works mainly through restructuring. With already optimized PDFs or pure text PDFs, this can lead to larger files.
Is there a better alternative?
Yes! For professional PDF compression, we recommend online services like SmallPDF, ILovePDF or desktop software like Adobe Acrobat.
Is optimization secure?
Yes, all operations take place exclusively in your browser. No file is uploaded or stored on a server.
What is PDF Compression?
PDF compression is the process of reducing the file size of a PDF document without significantly altering its content. Our online tool allows you to optimize PDF files directly in your browser, without the need to upload your sensitive documents to external servers.
Large PDF files can be problematic when sending via email, uploading to websites, or storing on mobile devices. With our PDF compressor, you can reduce the file size of your PDFs while maintaining readability. The tool works entirely locally in your browser, ensuring maximum privacy and security.
Benefits of PDF Optimization
Smaller PDF files offer numerous advantages in everyday life and professional environments. They can be sent faster via email, as many email providers have size restrictions for attachments. Typically, the limit is 10-25 MB, making compressed PDFs easier to share.
For websites, optimized PDFs are especially important as they load faster and improve user experience. Search engines like Google also prefer fast-loading content, which can positively impact your SEO ranking. On mobile devices with limited storage, compressed PDFs help save valuable space.
In professional contexts, smaller files enable more efficient workflows in document management, faster upload times to cloud services like Dropbox or Google Drive, and easier archiving of large document collections. Our tool offers various optimization levels, from minimal to maximum, to find the best balance between file size and quality.
How PDF Compression Works
Our browser-based PDF compressor works with various optimization methods. At the minimal level, the PDF structure is preserved and only unnecessary metadata is removed. The standard level removes additional metadata and optimizes the document structure. The maximum level restructures the entire PDF for optimal compression.
Usage is simple: Select your PDF file (up to 100 MB), choose the desired optimization level, and start the compression process. The tool then shows you the original size, new size, and percentage reduction. You can then decide whether to download the optimized version.
Important to know: Browser-based compression has limitations. With already optimized PDFs or pure text PDFs, the file may sometimes become larger. For professional compression with image optimization, we recommend specialized online services or desktop software like Adobe Acrobat.
Practical Use Cases
Email Sending: Reduce large PDF attachments to an email-friendly size. Perfect for application documents, contracts, or presentations that exceed your email provider's size limit.
Web Publishing: Optimize PDFs for your website to minimize loading times and improve user experience. Especially important for download areas, product catalogs, or documentation.
Mobile Use: Compress PDFs for mobile devices to save storage space and enable faster downloads. Ideal for e-books, manuals, or forms used on the go.
Archiving: Reduce the storage requirements of your document archives. Particularly useful for companies with large amounts of digital documents that need to be stored long-term.
Cloud Storage: Save valuable cloud storage space with services like Dropbox, Google Drive, or OneDrive by compressing your PDFs before upload.