About
A collection of browser-based tools for developers.
No server, no tracking, no external dependencies - everything runs locally in your browser.
Tools
| object id | Generate & parse MongoDB ObjectIds (timestamp, random, counter) |
| uuid | Generate UUIDs v1/v4/v6/v7, parse & inspect |
| hash | MD5, SHA-1, SHA-256, SHA-512 |
| cron | Interactive crontab expression builder with presets |
| api key | High-entropy API key generator (hex, base62, base64url, base58, custom) |
| json | Prettify, compact, tab-indent, validate JSON |
| base | Encode & decode Base64, Base64url, Base32, Base58, Base16 |
| string | String transforms: lower, UPPER, snake_case, camelCase, PascalCase, kebab-case, reverse, trim |
Stack
SvelteKit 2 + Svelte 5 · JavaScript with JSDoc · No runtime dependencies