JPG Compressor
JPG is the format almost every form accepts — and also the format that arrives oversized straight from a phone or camera. Upload your JPG, enter the file-size limit, and the JPG compressor delivers the smallest clean version that fits.
Online JPG Compressor
Drop your image here
JPG, PNG, WebP · Up to 25 MB · Works offline
Preparing your image…
image.jpg
— × —
JPG output is selected by default. If your photo cannot reach the target size without damage, we'll suggest a safe dimension reduction rather than ruining the quality.
Your image is processed on your device and never uploaded to our servers.
How to use
Three simple steps
- 1
Upload the JPG you need to shrink.
- 2
Enter the target file size — the compressor defaults to JPG output.
- 3
Compress. FormFit tunes the quality so the JPG fits the limit.
- 4
Download the smaller JPG and upload it where the old one was rejected.
Examples
Real-world results
- 3.1 MB DSLR photo → under 200 KB JPG
- 800 KB phone photo → under 100 KB JPG
- Enough quality retained that the resize is invisible to the eye
Why JPGs get big
The two levers of JPG compression
A JPG file size comes from two things: how many pixels it has, and how hard the quality compression squeezes those pixels. Reducing either shrinks the file. Compressing quality alone works until the JPG looks soft; after that, reducing dimensions is what actually removes the bytes.
What stays the same
Quality you can trust
FormFit compresses a JPG gradually and stops the moment it fits. For a target under 200 KB, most photos come out visually identical to the original — good enough that the difference is only in the file size that finally satisfies the form.
Frequently asked questions
How does the JPG compressor reduce file size?
A JPG file stores a photo using compression already, but quality can be tuned lower to shrink the file further. FormFit balances quality against file size, compressing just enough for your JPG to fit the limit while staying visually clean.
Why are JPGs still too large even after compressing?
If a JPG is very large in pixels — for example a 4000 × 3000 camera photo — no amount of quality reduction alone gets it under a small limit. FormFit then suggests safely reducing the dimensions, which removes far more bytes than quality tweaking.
What is the best quality setting for a JPG?
For photos: high quality is indistinguishable from the original and only modestly larger. For website images and form uploads with a size limit, balanced gives the best trade-off. FormFit auto-tunes the quality so you do not have to guess a number.
Can I reduce a JPG to under 100 KB?
Yes. Enter 100 as the target size and compress. Most phone photos come down to under 100 KB without visible loss, and 50 KB is usually achievable for cleanly-shot images too. The compressor suggests dimension changes only if quality would suffer.
Does compressing a JPG reduce its resolution?
Not by default. FormFit prefers to keep your pixel dimensions and adjust quality instead. Width and height only change if the file genuinely cannot fit the target — and never without telling you first.
Is JPG compression online free and private?
Yes. FormFit is a free, browser-based JPG compressor. Your image never leaves your device, so compressing a JPG online stays completely private.