Free AI Image Upscaler
Upscale and sharpen images for free with AI. Increase resolution by 2x or 4x without redrawing detail by hand.
Why Choose Rewind.ai?
- Free daily token pool, no card needed
- No sign-up to start
- Runs on open-source AI models
- Your input isn't stored or sold
- Works on desktop and mobile
Features
Enlarge images 2x or 4x
Reduce noise and grain
Recover fine detail
Upscale a batch in one go
FAQ
Yes, it's free to use right now. No card, no trial period. A daily token pool covers your usage and resets every 24 hours.
No. You can start without an account. Signing up is free and triples your daily usage if you want more.
It runs open-source AI models on our own GPU servers. Enter your input and you get a result in a few seconds.
Your input is processed on our servers and not stored permanently. We don't sell it or use it to train models.
Free use runs on a daily token pool that resets every 24 hours. Signing in triples it; paid plans start at $5/month for higher limits.
Yes. It works in any mobile browser, with no app to install.
Yes. What you generate is yours to use for personal or commercial work, and the models we run are commercially licensed.
The output quality is close to paid tools, since we run the same class of open-source models. The difference is you don't pay per use.
We run open-source models: Qwen for text, FLUX for images, Kokoro for speech, Whisper for transcription. We swap in newer ones as they ship.
A developer API is in progress. Contact us if you'd like early access.
You can download, copy, or share any result. With a free account you also get your full history.
We run the models on our own servers instead of reselling someone else's API. That means your input stays private and there's no per-request metering.