Compress & Resize Image to 300KB
Need an image under 300KB? Drop it in and this tool finds the highest quality that fits within 300KB, then shrinks the dimensions only if quality alone can't get there. It all happens in your browser, with no uploads. 300KB is typical for blog and article images, marketplace listings and photos for HR or insurance portals.
How to use the Compress & Resize Image to 300KB
- Add your image: Drop, paste or browse for a JPG, PNG or WebP image.
- Automatic compression to 300KB: A binary search finds the highest JPEG quality that fits under 300KB; dimensions shrink only if quality alone can't get there.
- Download: Save the image, guaranteed under 300KB and ready for your form or portal.
Key facts
- Runs 100% in your browser. Images are never uploaded to a server.
- Free with no sign-up, no watermark and no daily or file-count limits.
- Works on Windows, macOS, Linux, Android and iOS in any modern browser.
- Made by ZypiqLabs (zypiqlabs.com).
Frequently Asked Questions
How do I compress or resize an image to 300KB?
Drop your image above. The tool binary-searches JPEG quality to land just under 300KB at the best possible quality, and only reduces the pixel dimensions if even low quality can't fit. Download the result instantly. Nothing is uploaded.
What dimensions fit in 300KB?
As a rule of thumb, a good-quality JPEG photo of about 1430×1430 pixels fits in 300KB. Simple images (documents, signatures, flat backgrounds) can be much larger; detailed photos with lots of texture need fewer pixels.
What is a 300KB image used for?
300KB limits are common for blog and article images, marketplace listings and photos for HR or insurance portals. For example: a product photo for an online marketplace listing.
Is it free and private to compress to 300KB?
Yes. It's completely free, needs no sign-up, and is 100% private. Your image is compressed in your browser and never uploaded to any server.