Simple Dev Tools
Developer tools. Local, in-browser.
11 small, local tools. Nothing leaves your browser. Press ⌘K anywhere.
Tools
- API Snippet GeneratorDraft cURL, Python, and fetch snippets from one endpoint definition.1
- Mermaid EditorSketch flows, sequence diagrams, and architecture notes with export tools.2
- SQLite PlaygroundRun SQL experiments locally with SQLite WASM and instant result tables.3
- Regex LabIterate on patterns with live matches, replacements, samples, and links.4
- IDs & SchedulingGenerate UUIDs and ULIDs, inspect ULID time, and explain cron schedules.5
- Encoders & QREncode payloads, decode Base64 and URLs, and export QR assets.6
- Timestamp ConverterConvert Unix epochs, ISO 8601, and time zones, with relative time.7
- JSON WorkbenchFormat, validate, and convert between JSON, YAML, and CSV, then query by path.8
- Color & ContrastConvert HEX, RGB, HSL, and OKLCH, and check WCAG contrast ratios.9
Studios