500KB is the sweet spot for PDF compression — small enough for email (most email systems allow 10-25MB attachments) while retaining good image quality. Perfect for scanned documents, reports with charts, and presentation PDFs.
Best for: Email attachments, Slack/Teams file sharing, scanned Aadhaar/PAN cards, and reports with images and charts.
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Yes, scanned PDFs are essentially images so they compress well. A single-page scanned document typically reaches 100-300KB after compression. Multi-page scans may need higher compression.
Compress PDF to 100KB
Compress PDF files to 100KB or less online for free. Perfect for email attachments and government form uploads with strict size limits.
Compress PDF to 200KB
Reduce PDF file size to 200KB online for free. Best for job applications, university admissions, and government form uploads.
Compress PDF to 1MB
Compress large PDF files to 1MB or less online. Best for WhatsApp sharing, presentations, and image-heavy documents with good quality.