- An image saved from a website that no app will open
- A WebP rejected by a form that only takes JPG or PNG
- Putting a saved picture into a document or a presentation
Saved from the web, opens nowhere
This WebP will not open.
WebP is what most websites now serve, so saving a picture from a page gives you one. Plenty of desktop software still cannot read it. Drop it here and get a JPG that opens in anything, with nothing to install.
No signupNo watermarkLocal processingVerified before download (“under 10 MB”)
Exact-size image engine
Set the ceiling. We find the fit.
Processed here0 bytes uploaded
Maximum size
Drop your imageor choose from your deviceJPG · PNG · HEIC · WebP · AVIF · up to 40 MB
01 / TARGET-SPECIFIC GUIDE
Why this ceiling
A web format outside the web
Browsers all read WebP, which is why sites use it. Older photo viewers, document editors and upload forms frequently do not, so the file works everywhere except where you want to use it. Converting is the whole fix — the picture itself is fine.
You will lose a little efficiency, not the picture
WebP stores the same image in fewer bytes than JPEG, so the converted file is usually larger than the one you started with. That is the cost of a format everything can read, and it is the right trade when the alternative is a file you cannot use at all. The target here is deliberately generous so the conversion stays close to the original.
- The result opens in your usual photo viewer without extra software
- The picture looks the same as it did in the browser
- The file ends in .jpg, which is what most upload forms expect
02 / THE DIFFERENCE
A measured result
Compression is an action.
Compatibility is an outcome.
Inspect
We verify the file signature, dimensions, format, and size before planning a change.
Search
The engine tests dimension and quality combinations instead of applying a generic preset.
Validate
The output is checked independently against the actual byte limit before it is called ready.
03 / HOW IT WORKS
Adaptive exact-size engine
Every byte has a job.
A percentage slider cannot know your upload limit. FileFit starts with the constraint, preserves a high visual-quality floor, then uses the available byte budget as fully as the image allows.
- 01Decode safelyTrue file type, real dimensions
- 02Find the scaleLargest useful pixel area
- 03Refine qualityIterative search, not a preset
- 04Prove the resultSize, format, image, privacy
05 / STRAIGHT ANSWERS
Before you drop a file
Nothing vague.
Why do websites use a format my computer cannot open?
WebP was designed for the web, where every browser supports it and the smaller files make pages load faster. Desktop software adopted it much more slowly, so the format is universal online and patchy off it.
Can I just rename the file to .jpg?
No. The extension is a label, not the format — the bytes inside are still WebP, and anything that reads the file properly will still refuse it. The image has to be re-encoded, which is what happens here.
Is there a way to stop getting WebP files?
Not reliably. The site decides what it serves, and most now serve WebP to browsers that accept it. Converting after the fact is the practical answer.
Does the image upload anywhere?
No. The image is decoded, resized, encoded, and checked inside your browser. Network transfer for the image is zero bytes.
What happens to GPS and camera metadata?
It is not copied into the new JPEG. The result contains the rendered image pixels, which also avoids spending the size budget on invisible data.
Which image formats can I start with?
FileFit accepts JPG, PNG, HEIC, WebP, and AVIF images and produces a standard JPEG result. iPhone HEIC photos work directly. It checks the file signature instead of trusting only the filename extension.