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Compress PDF to 500KB

Compress PDF files to 500KB or less.

50%
Smallest file Screen / Email (smallest) Best quality

Drag & drop PDFs here, or click to browse

PDF only, up to 100MB each

Select PDFs

Why compress a PDF to 500KB?

A 500KB PDF limit is required by many government portals, job application systems, college admissions, and document upload forms. ToolsBear's Ghostscript-powered engine reduces embedded image quality while keeping text perfectly sharp, so your document stays readable and compliant.

Common portals requiring 500KB: government exam portals, visa applications, bank KYC, college admissions, HR portals

Compress PDF to Another Size

Need a different PDF target? Choose another size:

50KB100KB200KB300KB500KB1MB2MB3MB4MB5MB

Key Features

Hit an exact target size of 500KB with Ghostscript compression

Try lighter PDFSETTINGS presets automatically until the target is reached

Text stays perfectly sharp — only embedded images are reduced

Accepts PDFs up to 100MB

Compressed file auto-deleted after download — fully secure

Free, no sign-up, no watermarks

How to Compress a PDF to 500KB

Step-by-step guide to reduce a PDF to exactly 500KB using ToolsBear free Ghostscript-powered compressor.

1

Upload your PDF

Drag and drop your PDF or click to browse. Accepts files up to 100MB.

2

Confirm 500KB target

The target size is already set to 500KB. You can leave it as is.

3

Compress the PDF

Click Compress PDF. Ghostscript re-renders the PDF using the best preset to hit 500KB.

4

Download

Download your compressed PDF. The result panel shows original size, compressed size and percentage saved.

Frequently Asked Questions

How do I compress a PDF to exactly 500KB?
Upload your PDF, set the target to 500KB, and click Compress PDF. The tool tries Screen, eBook, Printer and Prepress presets and returns the smallest result.
What if my PDF cannot reach 500KB?
Some image-heavy PDFs cannot be compressed that small without visible loss. The tool returns the smallest possible result with the best quality preset.
Will text become unreadable?
No. PDF text is vector-based and stays sharp. Only embedded images are compressed.
Is my PDF safe?
Yes. Files are processed on the server and deleted immediately after download.

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