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LiveJSON Formatter
Beautify, validate, and minify JSON data with syntax highlighting and error detection.
Developer Utility Suite
Client-side tools that run entirely in your browser. No data leaves your machine.
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LiveAI Token Counter
Count tokens for GPT-4, Claude, Llama, and other models. Essential for prompt optimization.
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LiveRegex Tester
Test and debug regular expressions with real-time matching, capturing groups, and explanations.
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LiveBase64 Encoder
Encode and decode Base64 strings. Supports text, files, and URL-safe variants.
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LivePrompt Builder
Craft optimized prompts with templates, variables, and best-practice patterns.
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LiveDiff Checker
Compare two texts side-by-side with line-by-line diff highlighting.
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LiveURL Encoder/Decoder
Encode text to URL-safe format or decode URLs. Handles UTF-8 and special characters.
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LiveUUID Generator
Generate Version 4 UUIDs (GUIDs) instantly. Bulk generation supported.
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LiveHash Generator
Generate SHA-256, SHA-512, and MD5 hashes from text. 100% secure client-side hashing.
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LiveCSS Minifier
Compress and minify CSS code to reduce file size and improve website performance.
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LiveJWT Decoder
Decode JSON Web Tokens (JWT) instantly. Inspect headers, payload, and signatures without a secret key.
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LiveMarkdown to HTML
Convert Markdown text to clean, semantic HTML code instantly.
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LiveEpoch Timestamp Converter
Convert Unix timestamps (Epoch) to human-readable dates and vice-versa instantly.
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LiveUniversal Code Formatter
Beautify and format your code instantly. Supports HTML, CSS, JavaScript, and TypeScript.
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LiveRAG Text Splitter
Visualize text chunking and overlap for RAG applications. Optimize your context windows.
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LiveOpenAI Schema Gen.
Visual builder for OpenAI function calling JSON schemas. No coding required.
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LiveAI Cost Calculator
Estimate API costs for GPT-4, Claude, Gemini and compare pricing across models.
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LiveSystem Prompt Library
Curated collection of ready-to-use system prompts for coding, writing, and analysis.
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LiveModel Comparison
Compare GPT-5, Claude 4.5, Gemini 3 side-by-side. Context, pricing, capabilities.
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LiveJSON Schema Validator
Debug OpenAI function calling. Validate JSON outputs against your schemas.
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NewMCP Tool Designer
Generate valid JSON Schemas and Configs for Anthropic MCP tools. Use in Claude Desktop or Cursor.