Developer tools

Browse all tools in the "Developer tools" category and subcategories.

Encode & decode

JWT Decode (toolpods.io)

Decode JWT (JSON Web Token) to inspect the header, payload, and signature contents.

Playground

AI Prompt Comparison (toolpods.io)

Compare and evaluate multiple AI prompts under the same conditions to see how different prompts affect AI responses.

Playground

Regex Tester (toolpods.io)

Test regular expression patterns against text input and see match results in real time.

Code generation

SQL Generator (toolpods.io)

Describe a database operation in natural language and AI generates the corresponding SQL query. Supports SELECT, INSERT, UPDATE, and DELETE.

Encode & decode

URL Encode/Decode (toolpods.io)

Encode and decode URLs. Convert special characters using percent-encoding and decode them back.

Code generation

UUID Generator (toolpods.io)

Generate UUIDs (Universally Unique Identifiers). Create multiple v4 UUIDs at once.

Encode & decode

Character Code Web (char.onl.jp)

A web tool that displays Unicode code points, UTF-8 byte sequences, and HTML character references for any input character. Useful for investigating character encoding issues and verifying encodings.

Playground

Color Web (color.onl.jp)

A color picker web tool to select colors and convert them to HEX, RGB, HSL, and other color code formats. Useful for checking color palettes in web design and creative work.

Diff

Text Diff (diff.onl.jp)

A web tool to visually compare two pieces of text and highlight their differences. Additions, deletions, and changes are color-coded for quick review of what has changed.

Minify

JavaScript Minifier (jsmin.onl.jp)

A web tool to minify and compress JavaScript code in the browser. Removes whitespace and comments to reduce file size and improve website loading speed.

Formatting

JSON Formatter (json.onl.jp)

A web tool that formats and prettifies minified or unformatted JSON data with a simple paste. Also useful for validating JSON syntax.

Encode & decode

URL Encoder (urlenc.onl.jp)

A web tool for easy URL encoding and decoding in the browser. Useful for converting and verifying URLs that contain Japanese characters or special symbols.

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