{"id":51278121,"url":"https://github.com/humanbydefinition/textmode-browser-extension","last_synced_at":"2026-06-29T23:02:09.145Z","repository":{"id":365570930,"uuid":"1270535384","full_name":"humanbydefinition/textmode-browser-extension","owner":"humanbydefinition","description":"Turn \u003ccanvas\u003e and \u003cvideo\u003e elements into live ASCII 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Textmode Overlay ⊂(◉‿◉)つ\n\n\u003cdiv align=\"center\"\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cimg src=\".github/media/preview1.png\" alt=\"Preview 1\" /\u003e\u003c/td\u003e\n    \u003ctd\u003e\u003cimg src=\".github/media/preview2.png\" alt=\"Preview 2\" /\u003e\u003c/td\u003e\n    \u003ctd\u003e\u003cimg src=\".github/media/preview3.png\" alt=\"Preview 3\" /\u003e\u003c/td\u003e\n  \u003c/tr\u003e\n\u003c/table\u003e\n\n\u003cp align=\"center\"\u003e\n  \u003ca href=\"https://www.typescriptlang.org/\"\u003e\u003cimg alt=\"TypeScript\" src=\"https://img.shields.io/badge/TypeScript-3178C6?logo=typescript\u0026logoColor=white\" /\u003e\u003c/a\u003e\u003c!--\n  --\u003e\u003ca href=\"https://wxt.dev/\"\u003e\u003cimg alt=\"WXT\" src=\"https://img.shields.io/badge/WXT-000000?logo=webcomponents.org\u0026logoColor=white\" /\u003e\u003c/a\u003e\u003c!--\n  --\u003e\u003ca href=\"https://vite.dev/\"\u003e\u003cimg alt=\"Vite\" src=\"https://img.shields.io/badge/Vite-646CFF?logo=vite\u0026logoColor=white\" /\u003e\u003c/a\u003e\n  \u0026nbsp;\u0026nbsp;\n  \u003cimg alt=\"Chrome MV3\" src=\"https://img.shields.io/badge/Chrome-MV3-4285F4?logo=googlechrome\u0026logoColor=white\" /\u003e\u003c!--\n  --\u003e\u003cimg alt=\"Edge MV3\" src=\"https://img.shields.io/badge/Edge-MV3-0078D7?logo=microsoftedge\u0026logoColor=white\" /\u003e\u003c!--\n  --\u003e\u003cimg alt=\"Firefox MV3\" src=\"https://img.shields.io/badge/Firefox-MV3-FF7139?logo=firefoxbrowser\u0026logoColor=white\" /\u003e\u003c!--\n  --\u003e\u003cimg alt=\"Safari MV2\" src=\"https://img.shields.io/badge/Safari-MV2-006CFF?logo=safari\u0026logoColor=white\" /\u003e\n  \u0026nbsp;\u0026nbsp;\n  \u003ca href=\"https://ko-fi.com/V7V8JG2FY\"\u003e\u003cimg alt=\"Ko-fi\" src=\"https://shields.io/badge/ko--fi-donate-ff5f5f?logo=ko-fi\" /\u003e\u003c/a\u003e\u003c!--\n  --\u003e\u003ca href=\"https://github.com/sponsors/humanbydefinition\"\u003e\u003cimg alt=\"GitHub Sponsors\" src=\"https://img.shields.io/badge/sponsor-30363D?logo=GitHub-Sponsors\u0026logoColor=%23EA4AAA\" /\u003e\u003c/a\u003e\n\u003c/p\u003e\n\n\u003c/div\u003e\n\n`Textmode Overlay` is a free and open-source browser extension utilizing [textmode.js](https://github.com/humanbydefinition/textmode.js) to render live ASCII/textmode overlays on visible `\u003ccanvas\u003e` and `\u003cvideo\u003e` elements. It provides an in-page control panel for adjusting overlay settings and exporting the result as TXT, SVG, PNG, or JPG.\n\n## Features\n\n- Live textmode overlays on visible `\u003ccanvas\u003e` and `\u003cvideo\u003e` elements.\n- In-page control panel for adjusting overlay settings.\n- Export overlays as TXT, SVG, PNG, or JPG.\n\n## Browser Support\n\n| Browser                                               | Build                   | Output                | Store                                                                                                          |\n| ----------------------------------------------------- | ----------------------- | --------------------- | -------------------------------------------------------------------------------------------------------------- |\n| [Chrome](https://www.google.com/chrome/)              | `npm run build:chrome`  | `.output/chrome-mv3`  | [Chrome Web Store](https://chromewebstore.google.com/detail/textmode-overlay/nmepplnokndndgeldlhbffhkipimmaia) |\n| [Opera](https://www.opera.com/download)               | `npm run build:chrome`  | `.output/chrome-mv3`  | [Opera Add-ons](https://addons.opera.com/en/extensions/details/textmode-overlay/)                              |\n| [Edge](https://www.microsoft.com/en-us/edge)          | `npm run build:edge`    | `.output/edge-mv3`    | Reviewing                                                                                                      |\n| [Firefox](https://www.mozilla.org/en-US/firefox/new/) | `npm run build:firefox` | `.output/firefox-mv3` | [Reviewing](https://addons.mozilla.org/en-US/firefox/addon/textmode-overlay/)                                  |\n| [Safari](https://www.apple.com/safari/)               | `npm run build:safari`  | `.output/safari-mv2`  | —                                                                                                              |\n\n## Quick Start\n\nRequirements:\n\n- [Node.js](https://nodejs.org/en/download) 20.8.1 or newer\n- npm\n- [Chrome](https://www.google.com/chrome/) or another [Chromium](https://www.chromium.org/getting-involved/download-chromium/) browser for local MV3 testing\n\nInstall dependencies:\n\n```sh\nnpm install\n```\n\nRun the full verification pipeline:\n\n```sh\nnpm run check\n```\n\nBuild the unpacked Chrome extension:\n\n```sh\nnpm run build:chrome\n```\n\nLoad the extension in Chrome:\n\n1. Open `chrome://extensions`.\n2. Enable Developer mode.\n3. Click **Load unpacked**.\n4. Select `.output/chrome-mv3`.\n\n## Usage\n\n1. Open a [page](https://www.youtube.com/watch?v=dQw4w9WgXcQ) with a visible canvas or video element.\n2. Click the textmode overlay extension action.\n3. Click **select media**.\n4. Click the target media element on the page.\n5. Adjust the overlay from the in-page panel.\n6. Export the result when you want a static artifact.\n\nSome media cannot be sampled. Cross-origin, tainted, DRM-protected, or otherwise restricted media may fail\nwhen the browser blocks WebGL or canvas pixel access. The extension should report those failures without\nbreaking the page.\n\n## Development\n\nDevelopment workflow, testing, architecture, and contribution guidelines live in\n[CONTRIBUTING.md](CONTRIBUTING.md).\n\n## License\n\n`Textmode Overlay` is licensed under the [MIT License](LICENSE).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fhumanbydefinition%2Ftextmode-browser-extension","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fhumanbydefinition%2Ftextmode-browser-extension","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fhumanbydefinition%2Ftextmode-browser-extension/lists"}