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Or choose a target size
You're in good company:
Zamzar has converted and compressed over 510 million files since 2006
Compress to different file sizes
You can use Zamzar to process a wide range of different files - just click on a format to get started:
Why compress JPGs to 30kb
Compressing JPG files to 30KB is an essential trick for users facing rigid size caps on platforms like online visa applications, school portals, or small-business marketplaces that enforce low limits for photos and scans. Whether you're uploading a headshot, ID image, or quick product snap, nailing 30KB ensures error-free submissions, cuts upload times on spotty Wi-Fi, and allows bundling several images into one email or chat without triggering size warnings. It's a lifesaver for travelers finalizing documents on the go or anyone needing to meet precise specs without endless trial-and-error resizing.
Already lean by design, JPGs can be finely tuned to 30KB using targeted compression that preserves readability for text, faces, or basic graphics, ideal for forms, badges, or compact previews.
Zamzar's JPG compressor simplifies the process: upload your file, aim for 30KB, and download a sharp, compliant version in moments. The result is instant approvals, faster sharing across devices or networks, and full adherence to strict limits, all while keeping the image clear and fit for purpose.
Multiple File Formats
With hundreds of file formats supported, you won't need to go anywhere else to convert your files.
No Software Required
Zamzar supports over 1100 file-conversion types, meaning you won't need to download any software to convert a file ever again.
Innovation
We strive to give you the best experience we possibly can, which is why we’ve added real-time file conversion and why we’re always increasing the number of file conversions we support.
No Account Needed
We want to make sure the experience of converting a file is as seamless and as quick as it can be. That’s why we don't ask you for any personal details to convert a file.