Reduce PDF size with an appropriate quality setting
Light compression repacks the existing PDF structure and keeps selectable text, links and document objects where possible. It works best on files that have not already been optimized, although the size reduction can be small.
Balanced and strong compression render each page as a JPEG image and rebuild the PDF. This can reduce image-heavy scans substantially, but selectable text, links, form fields and accessibility structure are flattened into the page image. The interface explains that tradeoff before processing.
How to use Compress PDF
Choose the PDF
Open the document that is too large for uploading, emailing or storage.
Select a compression level
Use Light to retain document structure, Balanced for ordinary smaller files or Strong for maximum practical reduction.
Compress the pages
The browser repacks the PDF or rebuilds pages at the selected visual quality.
Review the reduction
Download the output and check the reported percentage as well as text clarity before sharing.
Compression should not hide its tradeoffs
A PDF containing already-compressed photographs may not become much smaller through structural optimization. In that case, balanced or strong page flattening can help because it resamples the visible page instead of retaining every original image object.
EasyPDFEdit compares the output with the original size. If the attempted conversion would create a larger file, the tool keeps the smaller original bytes for the download rather than presenting a worse result as successful compression.
Example: reduce a scan for a 500 KB upload limit
Select a 500 KB target and begin with Balanced compression. Inspect names, dates, signatures and small table text in the output. Use Strong only when the result is still too large and some visual loss is acceptable.
A target is a best-effort goal rather than a promise: page count, image complexity and required readability determine the smallest responsible output. The tool never substitutes a larger file for the original.
When Compress PDF is the right choice
- Meet an email attachment limit
- Reduce a scanned PDF before uploading
- Make archived PDF files smaller
Edge cases to check before downloading
- Flattened output loses links, form controls and selectable text.
- Already compressed images may show only a small saving.
- Very long PDFs may not reach a tiny target without becoming unreadable.
Compress a PDF to 200 KB or 500 KB
Choose light, balanced or strong compression, then compare the downloaded file with the original. This tool offers compression levels rather than an exact 200 KB or 500 KB target. Scanned pages usually shrink more than text-only PDFs. If a portal specifies a maximum size, check the downloaded file size and readability before submitting it. A large multi-page scan may not reach 200 KB without unacceptable loss.
Where a document contains links, bookmarks or form fields, test them in the output; some compression paths can change interactive features. Keep the original as a backup. See the quality and compatibility guide for tradeoffs.
Privacy, quality and compatibility
Balanced and strong compression produce image-based pages. Use Light when searchable text, selectable content, links, forms or accessibility tags must remain available.
Your selected files are processed in browser memory. Keep the source document, inspect the download and use the original authoring application when exact legal, print or archival fidelity is required.
For independent format details, see About Adobe PDF.
How to Compress a PDF Without Losing Readability
Reduce PDF file size online while keeping text readable. Compare structure-preserving and image-based compression and choose the right setting.
Read the guide →