Developer Tools
Free, browser-based tools built for developers. No sign-up, no tracking — everything runs in your browser.
Cron Expression Builder
Build cron expressions visually. Get human-readable descriptions and next run times.
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Prompt Generator
Build effective AI prompts from templates — code review, writing, data extraction, DevOps, and more.
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JWT Decoder
Decode and inspect JWT tokens. View header, payload, expiry, and all claims instantly.
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JSON Formatter
Format, validate, and minify JSON. Syntax highlighting, sort keys, live validation.
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Base64 Encoder / Decoder
Encode and decode Base64, URL encoding, and HTML entities. Supports file to Base64.
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Regex Tester
Test regular expressions with live match highlighting. PHP, JS, and Python flavours.
.env File Parser
Paste a .env file and view it as a clean table. Secrets masked by default.
Color Palette Generator
Input a hex colour and generate shades, tints, and CSS variable output.
htpasswd Generator
Generate secure .htpasswd entries for Apache and Nginx basic auth.