Compress PDF

Select a compression strength, process one or more PDFs, and download reduced-size files or a ZIP package.

1Upload
2Settings
3Process
4Download

Drag & drop files here

Supported file types: .pdf. You can upload up to 2 files, and each file must be no larger than 50 MB.

Settings

Smaller file Use stronger compression whenever you need a noticeably smaller PDF for sharing or uploading. Structure: Strong 72 DPI JPEG 40% Balanced A good everyday choice that reduces size while keeping documents easy to read. Structure: Medium 120 DPI JPEG 65% Better quality Use lighter compression when sharp text, images, and layout details matter more. Structure: Light 200 DPI JPEG 85% Maximum quality Use the lightest compression when preserving sharp images, text, and layout details matters most. Structure: None 300 DPI JPEG 95% Custom compression Select the structure compression, image resolution, and JPEG quality that fit your needs.

Structure compression Stronger structure compression can reduce file size without lowering image resolution.

Image resolution 120 DPI

Lower DPI creates smaller files but reduces image detail.

Image quality 65%

Lower image quality applies stronger JPEG compression.

Remove editable metadata where possible

Will the content of a document change once PDF compression?

Compression primarily reduces file size and generally does not alter the number of pages, text content, or original layout of a PDF. However, images, scanned pages, or other large files may be reprocessed. After compression, check image clarity, font display, and page layout for accuracy.

Select a Compression Level That Matches Your Needs

Various documents require different levels of compression. A balanced setting is a practical starting point for everyday files, while lighter compression is better when image quality and fine details matter. Stronger compression can be useful when reducing the file size is the main priority, but the result should always be reviewed before it is shared or submitted.

Reduce File Size Without Rebuilding the Document

There is no need to recreate the PDF, remove pages manually, or export the document through another application. Add the existing file, select the preferred compression setting, and process it directly. This tool focuses on optimizing the PDF so the document becomes smaller without changing its intended content.

Suitable for Text Documents, Images, and Scanned Pages

PDF documents can contain text, embedded fonts, photographs, charts, illustrations, or full-page scans. The amount of space that can be saved depends on how the original document was created. Image-heavy and scanned PDFs often have more room for reduction, while files that were already optimized may show a smaller difference.

Review Important Details After Compression

Compression can affect documents differently, especially when they contain small text, signatures, stamps, diagrams, or high-resolution images. After processing, check the pages at normal size and while zoomed in. This is particularly important for documents that will be printed, archived, signed, or formally submitted.

Common Questions

Why is my PDF still large once compression?

The source file may already contain compressed images or optimized resources, leaving less data to reduce. Embedded fonts, vector graphics, attachments, detailed illustrations, and complex page elements can also keep the file size relatively high even after compression.

Why do some PDFs shrink over others?

Compression results depend on the contents and internal structure of the document. A PDF filled with high-resolution photographs may shrink considerably, while a document made mostly of text and vector graphics may change very little. Files previously optimized by another application can also have limited room for further reduction.

Why do images look different once compression?

Images may be resized, recompressed, or stored with fewer visual details to reduce the overall file size. The difference is normally more noticeable in photographs, gradients, screenshots, and scanned pages. A lighter setting is preferable when image clarity is more important than achieving the smallest possible result.