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Drop images here or click to browse
.jpg · .png · .webp · Multiple files supported · Nothing uploaded
Works best under 20MB per file - very large photos may be slow on mobile
No files yet - drop some images above
Compressing…
✓ All images compressed
Hits your target size Auto-resizes if needed No uploads, ever
Why this tool

Get any image under 500KB, automatically

Hits an exact size target

Set a target in KB and the tool automatically searches for the highest quality that still lands under that size - no manual slider guesswork.

Resizes only as a last resort

If quality alone can't reach your target, dimensions are scaled down gradually until the file fits - keeping as much detail as possible.

Private by default

Compression runs on your browser's own Canvas engine. Files are never sent to a server, so there's nothing to leak and no upload wait.

Batch friendly

Drop in dozens of files, apply the same target size to all of them, and download every result together in a single ZIP.

Check before you download

Drag the before/after slider on any compressed file to inspect quality loss side-by-side before committing.

Free, no limits

Compress as many files as you like - no watermark, no account, no catch.

Process

Three steps, nothing complicated

01

Add your files

Drag and drop JPG, PNG or WebP images, or click to browse from your device.

02

Set your target size

Type a size in KB, or tap a preset - the tool works out quality and dimensions for you.

03

Compress & download

Grab each file individually, or all at once as a ZIP - no sign-up required.

ℹ About Compressing Images to 500KB

Many websites, forms and marketplaces cap uploads at a specific file size - 500KB is one of the most common limits. Instead of dragging a quality slider and re-compressing over and over, this tool automatically searches for the highest quality that still lands under 500KB.

Tip: if quality alone can't reach 500KB on a very large photo, the tool gradually reduces the image dimensions too, so you still end up under your limit.

Free Online Tool to Compress Images to 500KB

imgxcolor's target-size compressor shrinks JPG, PNG and WebP files to under 500KB directly in your browser - no software, no uploads, no cost.

Just set your target to 500KB (or use the preset), drop in your files, and download results that are guaranteed to be as close to - and under - that size as possible.

How the Target Size Is Reached

The tool runs a binary search on JPG/WebP quality to find the highest setting that still produces a file under 500KB. If the source is a lossless PNG or an extremely detailed photo that can't reach the target through quality alone, dimensions are scaled down step by step until the size fits.

Why Cap File Size Instead of Just Quality?

Many upload forms, ad platforms, and marketplaces reject files over a hard limit rather than accepting "close enough" quality. Targeting 500KB directly guarantees your file will be accepted the first time, instead of trial-and-error with a quality slider.

Privacy - 100% Client-Side

Every compression runs locally with JavaScript and the Canvas API. Your images are never uploaded, stored, or transmitted. There are no accounts, no sign-ups, and no usage limits.

Frequently Asked Questions

How does imgxcolor get my image under 500KB exactly?

It runs a fast search over JPG/WebP quality settings to find the highest one that still produces a file at or under 500KB. If quality alone isn't enough, it also reduces the image dimensions in small steps until the file fits.

Will this work for PNG files too?

Yes. PNG is lossless, so quality can't be tuned the way JPG or WebP can - in that case the tool reduces dimensions until the file lands under your target, or you can switch the output format to JPG/WebP for a much smaller result.

What if my image can't reach 500KB without looking bad?

The tool always aims for the best-looking result under your target. If it has to shrink dimensions significantly to hit a very small target on a very detailed photo, the compressed file is still labelled "closest possible" so you know before downloading.

Can I compress many images at once?

Yes. Drop in as many files as you like, they'll all be compressed to the same 500KB target, and you can download everything together as a ZIP.

Does this happen on a server?

No. Everything runs locally using your browser's Canvas engine, so nothing is ever uploaded and results appear instantly.