Why 500 KB?
500 KB strikes a balance between visual quality and reasonable file size. You'll see this limit on portfolio submission forms (design and photography schools, freelance platforms), high-resolution document scans, marketplace product listings (some Etsy/eBay categories), and email-attachment-friendly photo sharing.
It's also a common practical target when emailing photos to non-technical recipients — small enough to attach to almost any email service without rejection, large enough that the photo still looks crisp on a modern screen.
Common use cases
- Portfolio uploads for design, photography, and creative schools
- Marketplace product listings (Etsy, eBay, classified ads)
- Email photo attachments that won't get rejected
- High-resolution document scans
- Press kit and media submission photos
Tips for compressing to 500 KB
- 500 KB is generous enough that most images compress to it without any visible quality loss.
- For product photography, keep the longer dimension at 1500–2000 pixels — that's enough detail for any web use and easily fits under 500 KB.
- Always check what format the receiver expects. Some platforms strip metadata; others require it preserved.
Frequently asked questions
How do I compress an image to 500 KB?
Drop your image into the tool above. It compresses automatically using JPEG quality reduction (and dimension scaling if needed). Nothing is uploaded — everything runs in your browser.
Does compressing to 500 KB reduce quality?
Some quality reduction is unavoidable when targeting small sizes. The tool uses a binary search to find the highest possible quality that fits under your target. For most photos at 500 KB, the result looks identical at normal viewing sizes.
Is this safe? Where do my photos go?
Your photos never leave your device. Compression runs entirely in your browser using the Canvas API in a Web Worker. There is no server upload, no storage, no logging.
Can I compress PNG to JPG to save space?
Yes — choose JPG in the output format selector. JPG compresses photos far more efficiently than PNG. Keep PNG only if your image has sharp text, line art, or transparency.