DEV3 Free YouTube Thumbnail and Banner Maker — Source Code (React + Tailwind)

Source code of the DEV3 YouTube Thumbnail and Banner Maker, a layered canvas editor for YouTube thumbnails, channel banners and X, LinkedIn and Facebook covers with draggable text and image layers and safe-area guides.

Free download: sign in to any DEV3 account and click Download ZIP. Try it live: https://dev3.tech/tools/youtube-thumbnail-banner-maker shows the finished tool running.

What is in the download

• A standalone Vite + React + TypeScript + Tailwind CSS project: src/tool holds the tool, shared pieces sit beside it
• package.json with exact versions plus a lockfile, so npm ci works
• README.md (run, build, embed in Next.js or plain React) and an MIT LICENSE

What the code does

• Draggable text and image layers with rotation, opacity and outline
• Hit testing on rotated bounds and layer ordering
• Per-platform safe-area and overlap guides
• PNG and JPG export at exact platform sizes

Tech stack

React 19, TypeScript, Vite, Tailwind CSS 4, jszip.

Install and customise

The How to install and How to use tabs list the steps. In short: unzip, npm ci, npm run dev, then copy the tool folder into your own app if you want to embed it.

Good to know

• A browser-only tool: there is no backend or database in the code.