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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 20kb
Compressing JPG files to 20KB is a game-changer for users navigating tight file size limits on platforms like job application portals, government forms, or niche forums that cap uploads at ultra-low thresholds. Whether you're submitting a passport-style photo, a small product thumbnail, or a signature image, hitting exactly 20KB guarantees instant acceptance without bounce-backs, speeds up submissions on mobile networks, and lets you attach multiple images to emails or messages without hitting attachment quotas. It's especially handy for professionals sending quick proofs or freelancers meeting client specs that demand feather-light files for seamless integration.
JPGs start compressed, but dialing them down to 20KB demands smart tools that strip excess data while retaining core visibility, perfect for avatars, icons, or simple diagrams where every byte counts.
With Zamzar's JPG compressor, you simply upload, target 20KB, and get a crisp, compliant file ready in seconds. The payoff is lightning-fast uploads, zero frustration from failed submissions, and smooth sharing across devices or slow connections, all without sacrificing the image's usability for its purpose.
Cloud Based
You don't need to download any software to convert a file with Zamzar. All you need is access to the internet and you can then convert your file with us online.
Fast Downloads
There's no requirement to register or sign up for our file conversion tool, which means you can get going right away.
Help is on Hand
We have a dedicated FAQ page in case you ever need any help, and if the answer isn't on that page, then drop our support team an email and they'll be happy to help.
Secure
All traffic to and from our servers is secured by transport-level security, using 128-bit SSL to encrypt the data sent between your systems and ours.