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8 fields

4 of 8 fields have tools live today. The rest are being built one at a time, not spun up in bulk.

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41 live tools today — no sign-up, no caps.

41 tools

  • Markdown to HTML ConverterConverters

    Turn markdown into clean HTML — paste your source, copy the resulting markup, all in your browser.

  • JSON to CSV ConverterConverters

    Paste an array of JSON objects and get a clean CSV table — rows, columns and correct quoting, all converted in your browser with a copy button.

  • UUID GeneratorGenerators

    Click below to generate a random, version-4 UUID you can use immediately.

  • JSON FormatterConverters

    Paste your JSON below to format, validate, and beautify it instantly.

  • Context Window CalculatorCalculators

    Paste your prompt, pick a model, and see how much of its context window you use and how many tokens remain for the reply.

  • CSS Glassmorphism GeneratorGenerators

    Create frosted-glass UI panels — tune the blur, fill, border, and radius, preview it, and copy the CSS.

  • Image to Base64 ConverterConverters

    Turn any image into a base64 data URL — encode a file in your browser, without ever uploading it.

  • Markdown PreviewGenerators

    Paste or type markdown and watch it render — headings, lists, code blocks, blockquotes — then copy the HTML.

  • Case ConverterConverters

    Paste any identifier or phrase and see it in every case at once — camelCase, snake_case, kebab-case, PascalCase and more — then copy the one you need.

  • Base64 to Image ConverterConverters

    Paste a base64 string or data URL, preview the image it encodes, and download it as a file — decoded entirely in your browser.

  • JSON to YAML ConverterConverters

    Paste JSON, get YAML — converted in your browser with clean block formatting and a copy button.

  • Text to ASCII ConverterConverters

    Turn any text into its ASCII codes — see the decimal (or hexadecimal) value of every character, all locally in your browser.

  • MCP Schema ValidatorConverters

    Paste your MCP tool definitions to validate them against the official spec.

  • HTML MinifierConverters

    Minify HTML code by removing comments, collapsing whitespace, and stripping redundant attributes.

  • CSS Gradient GeneratorGenerators

    Build CSS gradients visually — pick a type, choose colors, adjust the angle, and copy clean CSS.

  • CSS Box Shadow GeneratorGenerators

    Build a CSS box-shadow visually — pick offset, blur, spread, and color, preview it, and copy the CSS.

  • Hash GeneratorConverters

    Generate cryptographic hashes from any text using SHA-1, SHA-256, SHA-384, or SHA-512.

  • JSON Schema ValidatorConverters

    Paste your JSON schema to validate it for OpenAI function calling — catch errors before your API call fails.

  • Cron Expression GeneratorGenerators

    Build or paste a cron expression to see what it means in plain English and exactly when it will run next.

  • Password GeneratorGenerators

    Generate cryptographically secure random passwords with configurable length and character types.

  • YAML to JSON ConverterConverters

    Paste YAML below to convert it to JSON, with every value the conversion silently changed listed underneath it.

  • Timestamp ConverterConverters

    Convert between Unix timestamps and human-readable dates with timezone-aware display.

  • LLM Token CounterCalculators

    Paste any text to count its tokens for GPT-5.6, Claude, and Gemini models, and see what it costs to send.

  • OpenAI Token CounterCalculators

    Paste text to count tokens and calculate API costs for any OpenAI model instantly.

  • JWT DecoderConverters

    Paste a JWT token to decode its header, payload, and claims instantly.

  • URL Encoder & DecoderConverters

    Encode any string to RFC 3986 percent-encoded format or decode percent-encoded URLs back to readable text.

  • Claude Resume TimerGenerators

    Set a timer and get the exact terminal command to keep Claude Code running while you step away.

  • MCP Config GeneratorGenerators

    Generate valid MCP server configuration for Claude Desktop, Cursor, VS Code, Windsurf, and Zed.

  • MCP Security ScannerCalculators

    Scan MCP server configurations for security issues including missing auth, CORS, and HTTPS.

  • QR Code GeneratorGenerators

    Generate QR codes from any text or URL with customizable size and error correction level.

  • Color ConverterConverters

    Convert a color between HEX, RGB, and HSL, check its WCAG contrast ratio, and preview a working palette.

  • Diff CheckerConverters

    Paste two texts and see exactly what changed — line by line, with inline highlights.

  • Regex TesterConverters

    Paste a regex pattern and test string to see every match, capture group, and match position in real time.

  • Embedding Dimension CalculatorCalculators

    Enter your embedding count and dimensions to see exactly how much storage you need across every precision level.

  • CSS Border Radius GeneratorGenerators

    Round the corners of any element — set a uniform radius or tune each corner, preview it, and copy the CSS.

  • Curl Command GeneratorConverters

    Build cURL commands for REST APIs with headers, authentication, and request bodies.

  • MCP Server TesterConverters

    Test MCP tool definitions with simulated calls and see what LLMs receive.

  • Base64 Encoder & DecoderConverters

    Encode text to Base64 or decode Base64 strings back to text instantly.

  • CSV to JSON ConverterConverters

    Paste a CSV table and get a clean JSON array of objects — the header becomes the keys, every row becomes an object, with a copy button and no upload.

  • XML to JSON ConverterConverters

    Paste XML and get structured JSON — attributes preserved under @_ keys, values left as strings, with a copy button and no upload.

  • XML FormatterConverters

    Paste raw or minified XML and get clean indented markup — validated as structurally well-formed, with attributes, text and comments left untouched, all in your browser.

On the roadmap

Researched and queued — nothing appears above until it is built and reviewed.

  • Percentage Calculator
  • Base64 Encoder/Decoder
  • URL Parser
  • Regex Tester
  • Color Converter
  • Password Generator
  • Markdown Editor
  • Unit Converter
  • Time Zone Converter
  • HTML Previewer
  • AI Text Humanizer

Why AllUtil?

Every tool earns its page.

Every tool here was researched, built and reviewed one at a time. None of them were generated in bulk to fill a category.

  1. 01

    Researched

    We identify real problems people search for.

  2. 02

    Implemented

    We build fast, accurate and reliable tools.

  3. 03

    Reviewed

    Every tool is tested for accuracy and usability.

  4. 04

    Maintained

    We keep tools updated as things change.

No fluff. No shortcuts. Just useful tools, built properly.Last reviewed: XML Formatter, Sep 4, 2026

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