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Developer Tools

Free developer tools for JSON formatting, Base64 encoding, hash generation, URL encoding, regex testing, and color palettes.

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JS
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JSON Formatter

Format, validate, and minify JSON data with syntax highlighting.

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BA
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Base64 Encoder/Decoder

Encode and decode text or files to/from Base64 format instantly.

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HA
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Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input.

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UR
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URL Encoder / Decoder

Encode and decode URLs and URL components instantly.

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RE
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Regex Tester

Test regular expressions live with match highlighting and group capture support.

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CO
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Color Palette Generator

Generate shades, tints, complementary, analogous, and triadic color palettes from any color.

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From the Blog

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UUID v4 vs v7: Which One Should You Use for Your Next Project?

UUID v4 vs v7: Which One Should You Use for Your Next Project?

UUID v4 was the king for years, but v7 is taking over. If you care about database performance and sortability, the choice is clear. Here is why I switched all my new projects to UUID v7 and why you probably should too.

May 20, 2026

Schema Markup Generator: Create JSON-LD Without Code

Schema Markup Generator: Create JSON-LD Without Code

Schema markup is the "secret sauce" that gives you rich results in Google. But writing JSON-LD by hand is an invitation for syntax errors. I built this generator to be 100% error-free so you can get those star ratings and FAQ boxes without touching a line of code.

May 19, 2026

Robots.txt for AI Crawlers: The 2026 Guide to Blocking GPTBot and More

Robots.txt for AI Crawlers: The 2026 Guide to Blocking GPTBot and More

Protect your content from unauthorized AI training. How to block GPTBot, ClaudeBot, and Perplexity using robots.txt with updated 2026 crawler agents.

May 18, 2026

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