What I built
Added Code Snippet Manager to devnestio.
👉 https://code-snippet-manager-bdd.pages.dev
Features
- Save snippets with title, language, description, tags, and code
- 19 languages with syntax highlighting: JavaScript, TypeScript, Python, Bash, SQL, HTML, CSS, JSON, YAML, Go, Rust, Java, C#, PHP, Ruby, Swift, Kotlin, Dockerfile, Other
- Search across title, description, code content, language, and tags
- Tag system — add multiple tags, click tags to filter
- Language filter dropdown
- Edit and delete individual snippets
- Export as JSON / Import from JSON — portable backup
- Zero server, zero account, zero tracking — everything lives in your browser
Why browser-local?
I wanted a snippet manager that works instantly without login, does not send my code anywhere, works offline, and is fast and minimal. LocalStorage gives 5-10MB per origin which is plenty for text snippets. Export/Import handles backup and migration.
Syntax highlighting
Built a lightweight hand-written highlighter with no external library. Applies token coloring for keywords, strings, numbers, comments, and function names across all 19 languages.
Tech
- Pure Vanilla JS, no framework, no build step
- localStorage for persistence
- 82 unit tests with Node.js assert module
- Deployed on Cloudflare Pages
Try it
https://code-snippet-manager-bdd.pages.dev
All devnestio tools: https://devnestio.pages.dev
Feedback welcome — what language or feature is missing?
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