Is it private and safe to use?

Yes. Compress an image to 100 KB runs entirely in your browser — your files are processed on your device and are never uploaded to a server, so no one else can see them. It is free, needs no sign-up, and works offline.

Will the image still look good at 100 KB?

Usually yes for photos — Pixo keeps quality as high as the 100 KB budget allows. Small or simple images stay crisp; very large or highly detailed photos may show mild compression, which is normal at a tight target.

Does Pixo change my image's format to hit 100 KB?

No. Pixo keeps your original format — a JPG stays a JPG, a PNG stays a PNG. It only adjusts quality (JPG/WebP/AVIF) or colors (PNG/GIF) to reach the target.

What if the image can't reach 100 KB?

Pixo returns the smallest version it can make in the original format and tells you it couldn't hit 100 KB. Resizing the image's dimensions smaller first usually gets it under the target.

Compress an image to 100 KB

Need a photo under 100 KB for a form, job application, or upload limit? Drop it below and Pixo finds the highest quality that still fits under 100 KB — entirely in your browser, with nothing uploaded.

Drop images here

or click to browse from your device

JPG, PNG, WebP, GIF: up to 5 files, 10 MB each

Processed locallyYour files never leave this device. Everything runs in your browser.

Release: they stay on this device

Compressed on your device. Never uploaded. Privacy Policy

Quick answer

Compress an image to 100 KB is a free browser tool that reduces image file size while letting you control quality or dimensions. It accepts JPG, PNG, WebP, or GIF images, produces optimized image files, and handles one source at a time. Processing happens locally in this browser; source files are not uploaded to Pixo. No account or software installation is required.

How it works

01
Drop your image
Choose a JPG, PNG, WebP, AVIF, or GIF. It's read straight from your device and never uploaded to a server.
02
Pixo hits the target
For JPG, WebP, and AVIF, Pixo searches the encoder quality to land just under 100 KB at the best quality possible. PNG and GIF are shrunk by reducing colors instead.
03
Download the result
See the exact final size, then download. If 100 KB isn't reachable without distorting the image, Pixo tells you and keeps the original format.

Tips for better results

For photos, JPG or WebP reach small targets like 100 KB with far less visible quality loss than PNG.
If your image can't reach 100 KB, resize its dimensions smaller first — a 4000px photo rarely needs to stay that large — then compress.
Everything runs in your browser, so it's safe for ID photos, documents, and other files you don't want on someone else's server.

When to use this tool

Use Compress an image to 100 KB when you need smaller images for a website, form, message, or storage limit without blindly accepting an unreadable result. Check the result before saving or sharing it so the output matches the destination’s practical, technical, and privacy requirements.

At a glance

Input: JPG, PNG, WebP, or GIF images
Output: optimized image files
Batch: handles one source at a time
Processing: On this device, in the browser

Learn more: How to reduce image file size without losing quality