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Enlarge a photo 2× or 4× with Real-ESRGAN, the AI upscaler that rebuilds plausible detail instead of just stretching pixels — faces, textures and edges come back instead of blur. 2× accepts images up to 2048 px on the long edge; 4× up to 1024 px. Upscaling is heavy AI work: a big photo can take a few minutes, and the result downloads as a full-quality PNG.
On ConvertFormat the matrix is the interface: the AI Image Upscaler is organised by the format you have and the format you need, because "change the format" is the whole job description — pick the pair, convert once, from the best original you have.
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Tap to choose a file or drag & drop it here
JPG, PNG or WEBP — size limits per scale · deleted right after processing
A short ad is shown before processing — it keeps this tool free. No sign-up, no watermark.
Upload your file — drag & drop it or tap to browse.
Set any options, then hit the button.
Watch the short ad — your finished file downloads instantly.
Why people pick this over other converters
No account, ever. Most big converter sites push sign-ups and paid tiers for basic jobs. Here the tool just works.
No watermarks and no job counters on standard tools — fair-use rate limits keep things fast for everyone — and a generous 200 MB upload limit.
Private by design: your file is processed in a temporary folder and deleted the moment your download finishes. Nothing is stored or shared.
Fast: this page is a fraction of the size of the ad-heavy alternatives, and the same account-free toolbox has 404 other tools when you need them.
FAQ
Can it rescue a tiny, blurry photo?
It sharpens and enlarges convincingly, and small-but-sharp images upscale beautifully. It cannot invent detail that was never captured — a 100 px thumbnail will look like a better 400 px picture, not a DSLR shot.
Is this really free?
Yes — completely. A short ad before processing keeps every tool free; no account, subscription or credits are ever required.
What happens to my file?
It is processed in a temporary folder and deleted the moment your download finishes. We never store, view or share uploads.
Do I need to install anything?
No. Everything runs in your browser session against our servers — any phone, tablet or computer works.
