Open source repo

What's inside upscayl/upscayl

upscayl/upscayl is a TypeScript repo with 8,069 lines written in 109 files. upscayl is built with Next.js and React and uses PostHog and Firebase. AI signed 0.1% of the 994 commits of upscayl.

Its description on GitHub: “🆙 Upscayl - #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows.”

TypeScriptAGPL-3.051,330

Read on October 30, 2026, at commit a00d55f.

What the card proved: what it’s built with on the left, what it uses on the right.

See each one with its proof

Its folders

TechnologiesWhat is upscayl built with?upscayl is built with Next.js and React and uses PostHog and Firebase.

Who writes itHow much of upscayl did AI write?0.1%AI signed 0.1% of the 994 commits of upscayl.

In figures

lines written: 8,069; The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
files: 109; The product’s, not counting tests.
test files: 1; The files that test the code.
technologies: 4; Each one with the file and line that prove it.

SeeRepo read its code facts-only: no AI, and none of its code is kept.

Frequently asked questions

What is upscayl/upscayl?

upscayl/upscayl is a TypeScript repo with 8,069 lines written in 109 files. Its description on GitHub: “🆙 Upscayl - #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows.”

The proof: its page on GitHub

What is upscayl built with?

upscayl is built with Next.js and React and uses PostHog and Firebase.

The proof: each technology with its file and line

How much of upscayl did AI write?

AI signed 0.1% of the 994 commits of upscayl.

The proof: the commits each tool signed

What license does upscayl have?

upscayl is released under the AGPL-3.0 license.

The proof: its page on GitHub

How many stars does upscayl have on GitHub?

upscayl had 51,330 stars on GitHub on October 30, 2026.