Compress PDF structure and remove redundant data to compress file size.
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Processed entirely in your browser • Never uploaded
Drop your PDF into the tool.
Select compression settings — preview estimated saving shown.
Get your compressed PDF with size saving reported.
Email attachments have a 10 MB or 25 MB limit. College portals ask for documents under 2 MB. Government job sites often reject files above 500 KB. If your PDF keeps getting rejected because it is too large, you need a fast and reliable way to compress it — without ruining the content inside.
QuickPDFonline's Compress PDF tool shrinks your PDF directly in your browser, making it small enough to email or upload anywhere. All processing happens directly in your browser. Your files are not uploaded to any server — so whether it's a salary slip, a legal document, or a government ID scan, it stays completely private on your device.
Students submitting to college portals, job applicants uploading documents, and professionals sharing large reports by email will find this tool saves them time and frustration — for free, every time, with no sign-up needed.
अगर college portal या job application form में "file 1 MB से कम होनी चाहिए" लिख रहा है — तो PDF यहाँ upload करें, compression level चुनें, और कुछ seconds में छोटी PDF download करें। File कहीं नहीं जाती — सब browser में ही होता है।
Click the upload area or drag and drop your large PDF to get started.
Pick a compression setting — balance between file size reduction and visual quality.
The tool processes your file locally — no upload, no queue, no waiting.
Save the lighter PDF — ready to email or upload, with no watermark added.
Results depend on the PDF content. Files with many images often compress by 50–70%. Text-heavy PDFs may see smaller reductions. Higher compression settings produce smaller files but may slightly compress image sharpness.
Text in PDFs is vector-based and is not affected by compression. Only embedded images are reduced in quality at higher settings. For standard document submissions, text stays perfectly sharp and readable.
Never. Compression runs entirely inside your browser using JavaScript. Your file is never sent to any server — safe to use with confidential documents like bank statements, salary slips, or government ID scans.
For an exact target size, try our Resize PDF tool which lets you specify a precise KB or MB value. The compress PDF Size tool focuses on general compression; Resize PDF gives you precise control over the output size.
PDF too large to upload or send?