buncha.tools
buncha/ai/ai-upscaler

AI Image Upscaler

AI-powered1 free use · Sign up for more
Upscale factor

Pairs well with

Image Watermark
Add text or logo watermarks to protect your images
Add Text to Image
Add captions, watermarks, and text overlays to any
Image Filters
Apply filters like brightness, contrast, blur, sep

About AI Image Upscaler

Upscale images 2× or 4× with AI. Sharper detail, no quality loss.

Like every tool on Buncha, this one runs entirely in your browser. There's no upload, no log, no record of what you've pasted or generated. Close the tab and the data is gone.

↳ Have feedback or found a bug? hello@buncha.tools
b
Built browser-first. Run by one developer.
Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.
240
Free tools
Across 14 categories
7
Visual editors
PDF · image · video · audio
32
Curated kits
By profession + lifestyle
17
AI tools
Powered by Claude API
Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser
The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.