Compress Image to 500 KB
Bring any photo under 500 KB without picking a quality number.
Drop an image here
Or choose a file, or paste a screenshot. It is measured and re-encoded on your device and never uploaded.
Fitting on your device…
That didn't work.
Your image is opened, measured and re-encoded in this browser. It is never uploaded, and nothing about it is stored.
Keyboard shortcuts
- / or ⌘K
- Search every tool
- ⌘↵
- Run this tool, from anywhere on the page
- ⌘S
- Download the result
- ?
- Open and close this list
About the Pathine Compress Image to 500 KB
Half a megabyte is the limit that sits just below what a phone produces, which is what makes it so annoying. A picture at 2 MB feels like it should already be small enough, and it is four times too big.
Drop the photo in and it comes back under 500 KB at the highest quality that fits. At this size that is usually indistinguishable from the original on a screen — there is enough budget here to keep the detail that matters.
When you'd reach for it
A content system that caps uploads
WordPress, Shopify and most CMS platforms let an administrator set an upload limit, and half a megabyte is a common choice.
Keeping a page fast
A hero image over 500 KB is the single most common reason a page feels slow on a phone connection.
An application form with a moderate limit
Half a megabyte is generous enough for a clear document scan or ID photograph, which is why so many portals settle on it.
How to use it
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Drop the image in
Drag a file onto the page, choose one, or paste a screenshot. Nothing is uploaded — the work happens on your device.
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Read the report
Every requirement is listed with a tick or a cross against what your file actually is. Anything the rule asks for that software cannot check is listed too, unticked.
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Download it
The file you get is the one that passed. If nothing could pass, you are told the closest achievable size instead of being handed something that will be rejected.
Common questions
Will I be able to see the difference?
Rarely, at normal viewing size. 500 KB is a comfortable budget for a web-sized photograph, so the tool usually lands at a high quality setting. Zoomed in on a detailed area you may find softer edges.
Does it change the dimensions?
Only if it has to. Quality is tried first, and the pixel size is only reduced when no acceptable quality gets under the limit. For most photographs at 500 KB that never happens, and the report tells you if it did.
Can I compress several photos at once?
Not on this page — it does one file at a time, because the point of it is the per-file report. The Image Compressor handles batches with a quality setting instead of a target.
What happens to the original?
Nothing. It never leaves your device and it is not modified — you get a new file alongside it, named with a -pathine suffix.