Compress pdf for
free & without loss

The best compression pdf that does not deteriorate your files.

    Drop your files here.

    100 MB total combined size

    Drop your files here. 100 MB total combined size
    or 50 MB per file

    Drop your files here. It's ecological

    • Compress your pdf files for free online.

      Benefit from fast compression without compromising the quality of your pdf files. To get started, import your files for optimization and click the "Convert" button. If needed, you can configure advanced customization settings before initiating the compression. In just moments, your files will be ready for download.

    • Optimize your pdf files without compromising their quality.

      Our pdf file compression tool provides the advantage of lossless transformation for your files. The process preserves the visual integrity and original level of detail. Enjoy flawless results without compromise, maintaining the clarity and sharpness of your pdf content through this alteration-free compression.

    • The best compression according to a sophisticated algorithm.

      File compression pdf plays a crucial role in saving storage space, reducing data size for faster transfers, improving backup efficiency, and optimizing bandwidth during online sharing. Additionally, it helps minimize loading times.

    How to compress pdf files on Convertall?

    By following these 4 simple steps, you can easily compress your pdf files.

    • Import

      Select the pdf file you want to compress from your computer, Dropbox, Google Drive, or from a URL.

    • Compression

      In general, compressing a pdf file tends to result in substantial reductions, often ranging between 30% and 70%.

    • Options

      Customize settings, choosing between lossy or lossless compression, and even specifying the desired compression level.

    • Download

      Once compression is complete, you have the option to download each file separately or all files bundled in a .zip archive.

    Do you have questions about compression?

    Here is a list of the most frequently asked questions:

    Why compress a pdf file?
    File compression is crucial for saving storage space by reducing data size. It facilitates faster transfers, improves backup efficiency, and optimizes bandwidth during online sharing. Additionally, it minimizes loading times, enhancing the user experience.
    Can compression affect the quality of the file?
    Your pdf file will benefit from the best conversion without compromising quality, thanks to advanced compression algorithms. This meticulous conversion ensures the complete preservation of details, guaranteeing an impeccable final rendering. You will achieve optimal size reduction without compromising the quality of your pdf file.
    What weight reduction can I expect?
    The weight reduction of files depends on the initial content of your pdf file. Generally, compression can lead to substantial reductions, often ranging from 30% to 70%, but results may vary based on specific content characteristics. Lossless compression offers more modest reductions, usually below 30%.
    No need to sign up or install software?
    No registration is required, and there's no need to install software. Our online service provides a user-friendly experience, allowing you to compress your document files effortlessly. Simply access our platform, upload your files, configure settings if necessary, and initiate the compression. A quick and uncomplicated solution for your compression needs.

    Users reviews

    Overall evaluation of the quality of compression

    Our users have given us a rating of 4.7/5 based on 1,797,475 votes.