Developer Tools

This category groups related utilities into one workflow-oriented index. Use it to discover the right tool quickly, reduce context switching, and move from conversion to validation with stronger internal linking.

Tool Grid

JSON Formatter

Format, validate, and minify JSON in the browser with copy-ready output.

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Regex Tester

Test regular expressions against sample text and inspect matches.

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AI Token Counter

Estimate GPT-style token usage from text with character and word counts.

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Prompt Formatter

Format rough prompts into structured role-task-context-constraints output.

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Prompt Template Generator

Generate reusable prompt templates for coding, SEO, translation, and analysis tasks.

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AI System Prompt Builder

Build system prompts for chatbots, AI apps, and internal assistant workflows.

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Markdown to Prompt

Convert markdown notes into AI-friendly prompt text while preserving structure.

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AI Text Cleaner

Clean and normalize prompt text before sending to ChatGPT, Claude, or Gemini.

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Cron Expression Generator

Build common cron expressions and read their schedule meaning.

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UUID Generator

Generate UUID v4 values instantly for tests, fixtures, and API payloads.

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JWT Decoder

Decode JWT header and payload fields for quick browser-based inspection.

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Hash Generator

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

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UUID Validator

Validate UUID string formats including v4 style values.

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HTML Formatter

Format HTML markup with cleaner indentation and structure.

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CSS Beautifier

Beautify CSS declarations into readable multi-line style.

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SQL Minifier

Minify SQL by removing extra whitespace and line breaks.

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Regex Cheat Sheet

Quick reference for common regular expression patterns.

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Markdown Preview

Preview Markdown rendering and inspect generated HTML.

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Markdown to HTML

Convert Markdown text into HTML output instantly.

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SQL Formatter

Format SQL queries into readable multi-line output for reviews and debugging.

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JSON Viewer

Explore JSON in tree view with expandable nodes and path copy support.

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JSON Minifier

Compress JSON to a single line and inspect character savings.

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JSON Escape / Unescape

Escape JSON strings or reverse escaped values quickly.

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JSON Sort

Sort JSON object keys recursively in ascending or descending order.

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JSON to TypeScript

Generate TypeScript interfaces from nested JSON objects.

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JSON to Go

Generate Go structs with json tags from JSON input.

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JSON to Java

Generate Java class field definitions from JSON objects.

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JSON to PHP

Generate PHP model-style class fields from JSON objects.

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JSON to C#

Generate C# class definitions from JSON object input.

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JSON to Python

Generate Python dataclass-style models from JSON.

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XML to JSON

Convert XML payloads into JSON structure for API debugging.

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JSON to XML

Convert JSON objects into XML with custom root node support.

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YAML to JSON

Convert YAML documents into JSON output in the browser.

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JSON to YAML

Convert JSON objects into YAML text for config workflows.

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Query String to JSON

Parse URL query strings into JSON with duplicate key arrays.

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JSON to Query String

Serialize JSON object fields into URL query parameters.

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CSV to JSON

Convert CSV rows into JSON array objects with delimiter selection.

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JSON to CSV

Convert JSON arrays into CSV output and download quickly.

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Common Workflows

  • Validate incoming payloads before conversion.
  • Transform to target format required by APIs or storage.
  • Compare, debug, and document output for team handoff.

Related Guides

FAQ

What are Developer Tools?
Developer Tools are focused utilities for common developer transformations and validations.
Which developer tools are most used?
JSON Formatter, Regex Tester, AI Token Counter
How should I choose a tool?
Start with your input format and output goal, then pick conversion, validation, or formatting tools accordingly.
Can these tools help API debugging?
Yes. They are built for practical workflows across API payloads, logs, config, and data checks.
Are outputs copy-ready?
Yes. Most tools provide direct copy actions for quick use in code and docs.