Compress Image to 500 KB Online
Get any photo under 500 KB while keeping it looking like the original. Ideal for portfolio sites, property and job listings, and upload forms that cap files at half a megabyte.
Choose your file
Pick a quality mode
Compress
Download
Need a different size?
Using an iPhone? Convert HEIC to JPG under 500 KB in the same step.
Half a megabyte goes a long way
500 KB comfortably holds a photo 1600–2000 pixels wide at high JPG quality — larger than most laptop screens display. At this size the compression is effectively invisible for typical photos: what you give up is redundancy the eye never sees, mostly camera metadata, needless colour-profile baggage and encoder inefficiency.
Caps around 500 KB appear on portfolio and job sites, real-estate listing uploads, tender and vendor-registration portals, and content management systems configured to keep pages lean. It is also the polite size for photos attached to professional email.
Why exact-size beats “save for web” guessing
Exporting from a photo editor at a guessed quality is a loop: save, check the size, adjust, save again. This page runs that loop for you, mechanically — the planner picks starting settings from your actual image, the server encodes and measures, and the settings refine until the result fits at or under 500 KB. One pass, no guessing, and the preview you see before uploading is the same plan the server executes.
A compressor should also never make things worse: if your image is already under 500 KB, the tool detects it and returns your original bytes untouched rather than re-encoding for a pointless “saving”.
Picking a tighter or looser target
For general sharing you may not need this much: compress image to 200 KB still looks great and loads faster on slow connections. Application-form fields are much stricter — photos commonly need 50 KB and signatures even less — so match the page to the field’s stated cap.
Going the other way, if your only limit is an email provider’s attachment cap, compress image to 1 MB keeps essentially everything. And when dimensions are the real requirement, size the image first with the image resizer.
The usual CompressKits promises
Free with no signup and no watermark. Your file uploads privately, is processed automatically, and is deleted from our servers within 24 hours. EXIF data — including GPS location — is stripped by default, which protects your privacy when photos go onto public listings. Batch work and quality presets live on the main image compressor.
Three steps, no account
Upload a photo
JPG, PNG, WebP or AVIF up to 100 MB — full camera resolution is fine.
Automatic fit under 500 KB
Metadata stripped, encoding tuned, output measured — repeated until the file fits the cap.
Download your image
Near-original quality, ready for listings, portfolios or any 500 KB upload field.
Frequently asked questions
How do I get my photo under 500 KB?
Upload it on this page and press Compress — the 500 KB budget is pre-set, and the tool automatically finds the best quality and dimensions that fit. For most photos the result is visually identical to the original.
Will compressing to 500 KB reduce my photo’s resolution?
Often it doesn’t have to — many photos fit under 500 KB at their original dimensions once metadata is stripped and the encoding is tuned. Very large or detailed images are scaled to roughly 1600–2000 pixels wide, still bigger than most screens show.
Is 500 KB small enough for email attachments?
Yes — you could attach dozens of 500 KB photos before approaching common mailbox limits, and each sends quickly even on mobile data. For large batches, compress the photos first and then zip them.
Should I use JPG or PNG at 500 KB?
JPG for photographs — it uses the budget far more efficiently. PNG only for graphics, screenshots or images that must keep transparency; a photographic PNG at 500 KB will need heavy downscaling to fit.
Does the tool ever exceed the 500 KB target?
No. The server measures the actual encoded file and iterates until it is at or under target. In the rare case a file physically cannot fit (for example a huge PNG kept in PNG format at full resolution), the tool warns you and explains what to change.
Related tools
Shrink JPG, PNG, WebP and AVIF images by up to 80% while keeping them sharp. Transparency always preserved — free, private, no signup needed.
Image ResizerResize JPG, PNG, WebP and AVIF images to exact pixel dimensions. Aspect ratio stays correct automatically — free, no watermark, no signup.