Upscale images with AI
Fix blurry, distorted or pixelated photos and upscale them 2× in one click, or just make them 2× or 4× bigger.
Videos up to 960 px can be upscaled 2×.
Private
Files are processed on your device and never uploaded.
Free
No sign-up, no watermark, no file limits.
Checked
Every result is compared with the original before you save it.
Enlarge images without the blur
Ordinary resizing just stretches pixels, which makes enlarged images soft and blocky. Aivdo's AI upscaler uses ESRGAN, a neural network trained to predict realistic detail, to sharpen edges and textures as it enlarges.
The model runs on your device's graphics chip with TensorFlow.js. Your photos are never uploaded, and you can compare before and after with a slider before saving.
- Scroll to the AI upscale section and drop an image.
- Choose 2× or 4×.
- Compare, then save the PNG or compress it.
FAQ
What is the largest image I can upscale?
Images up to 2400 px for 2× and 1400 px for 4×. Larger images are reduced first so the result fits in browser memory.
Are my files uploaded?
No. Compression runs in your browser, so your files never leave your device. Aivdo only counts anonymous usage (country, file type and sizes). File names and contents are never sent.
Which compression level should I pick?
Recommended keeps files looking the same and suits almost everything. Extreme and Maximum make files much smaller but lower the quality, which is handy for email limits. Maximum tries several settings on PDFs and keeps the smallest valid file.
Which browsers work?
Images and PDFs work in every modern browser. Video needs Chrome, Edge or Safari 17 or newer.
Is there a size limit?
No fixed limit. Very large videos (over about 1–2 GB) can run out of browser memory, so split those first.
What if a file can't get smaller?
Aivdo keeps the original and tells you. You never get back a bigger file.