Compress Image to 100 KB
Get an image under 100 KB with the best quality that fits.
Drop an image here
or choose files from your device
You can also paste an image with Ctrl+V
JPG, PNG, WebP, AVIF, HEIC, GIF · up to 100 MB
Your images are processed locally in your browser and are not uploaded.
A 100 KB limit is common for profile photos, application forms and email-friendly images. Enter 100 KB as the target and PhotoTools searches for the highest quality that stays under the limit. If the image is too big to fit even at low quality, it reduces the dimensions step by step until it does.
How to compress an image to 100 KB
- Step 1
Add your photo or scan.
- Step 2
Keep the target at 100 KB (or change it) and choose JPG or WebP.
- Step 3
Download the image — guaranteed 100 KB or smaller.
Why use PhotoTools
Exact size
The result is never larger than 100 KB.
Best quality that fits
A smart search picks the highest quality under the limit, not a random guess.
Private
Your photo is processed on your device and never uploaded.
Supported formats
Input
- JPG
- PNG
- WebP
- AVIF
- HEIC
- GIF
- BMP
- TIFF
- PSD
- RAW
Output
- JPG
- WebP
- PNG
- AVIF
Frequently asked questions
How do I reduce a photo to 100 KB?
Add the photo, keep the 100 KB target and download. PhotoTools adjusts quality and, if needed, dimensions automatically.
Will the photo still look good?
Yes. At 100 KB most photos look good at typical screen sizes.
Which format should I choose?
JPG for forms and maximum compatibility; WebP for the best quality at the same size.
Are my images uploaded to a server?
No. This tool runs entirely in your browser using WebAssembly. Your images never leave your device, and nothing is stored.