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dubinity

73 tools

Developer & Web

Format and validate JSON, encode and decode, generate IDs and hashes, test regex and inspect the web.

Developer tools

73 tools

  • JSON Formatter

    Format and indent JSON, or minify it, with exact error positions and big numbers kept as written.

    Developer & WebJSON
    Runs in your browserOpen tool

  • Password Generator

    Create strong random passwords with the character rules a site demands, and see the real entropy.

    Developer & WebNONE
    Runs in your browserOpen tool

  • What Is My IP

    See the IP address our server sees, the rough location attached to it and what your browser sends.

    Developer & WebNONE
    Server lookupOpen tool

  • Regex Tester

    Test regular expressions live with highlighted matches, capture groups and a replacement preview.

    Developer & WebTEXT
    Runs in your browserOpen tool

  • Text Case Converter

    Convert text between UPPER, lower, Title, Sentence, camelCase, snake_case, kebab-case and more.

    Productivity & EverydayTEXT
    Runs in your browserOpen tool

  • Color Converter

    Convert a colour between HEX, RGB, HSL, HSV, HWB, CMYK and OKLCH, with contrast against black and white.

    Design & AccessibilityTEXT
    Runs in your browserOpen tool

  • JSON Validator

    Check whether JSON is valid and see the exact line, column and reason when it is not.

    Developer & WebJSON
    Runs in your browserOpen tool

  • Lorem Ipsum Generator

    Generate placeholder paragraphs, sentences or words, in classic Latin or in Arabic filler text.

    Design & AccessibilityNONE
    Runs in your browserOpen tool

  • Base64 Encoder

    Encode any text to Base64, including Arabic and emoji, with URL-safe and line-wrapping options.

    Developer & WebTEXT
    Runs in your browserOpen tool

  • Diff Checker

    Compare two texts side by side or inline, with word-level highlighting and line, word or character modes.

    Developer & WebTEXT
    Runs in your browserOpen tool

  • Hash Generator

    Hash text with MD5, SHA-1, SHA-256, SHA-384, SHA-512 or CRC-32, with HMAC and per-line options.

    Developer & WebTEXT
    Runs in your browserOpen tool

  • Base64 Decoder

    Decode Base64 back to text, or view the raw bytes as a hex dump when the data is not text.

    Developer & WebBase64
    Runs in your browserOpen tool

  • JWT Decoder

    Read a JSON Web Token's header and payload, with expiry in plain language and optional HMAC verification.

    Developer & WebJWT
    Runs in your browserOpen tool

  • Color Contrast Checker

    Check the WCAG 2.2 contrast ratio of a text and background colour, with AA and AAA verdicts and the nearest passing colour.

    Design & AccessibilityHEX · RGB · HSL
    Runs in your browserOpen tool

  • JSON Viewer

    Explore large JSON as a collapsible tree: expand what you need, search keys and values, copy any path.

    Developer & WebJSON
    Runs in your browserOpen tool

  • Unix Timestamp Converter

    Convert epoch seconds, milliseconds or nanoseconds to a readable date in any time zone, and back.

    Developer & Web
    Runs in your browserOpen tool

  • UUID Generator

    Generate random UUID v4 or time-ordered UUID v7 identifiers, up to a thousand at a time.

    Developer & WebNONE
    Runs in your browserOpen tool

  • Favicon Generator

    Turn a logo into favicon.ico, the PNG icons iOS and Android need, a web manifest and the HTML to paste.

    Image ToolsPNG · JPG · SVG
    Runs in your browserOpen tool

  • URL Encoder

    Percent-encode text for a URL, a query value or form data, with full support for Arabic and emoji.

    Developer & WebTEXT
    Runs in your browserOpen tool

  • CSV to JSON Converter

    Convert CSV or tab-separated data into JSON, with automatic separator detection and quoted fields handled.

    Developer & WebCSV · TSV
    Runs in your browserOpen tool

  • URL Decoder

    Decode percent-encoded URLs and see the query parameters listed one per line.

    Developer & WebTEXT
    Runs in your browserOpen tool

  • AI Code Assistant

    Explain, debug, refactor, comment, convert or test code in JavaScript, Python, PHP, SQL and more - with clear reasoning.

    AI ToolsTEXT
    AI-poweredOpen tool

  • DNS Lookup

    Look up A, AAAA, MX, TXT, NS, CNAME, CAA and other DNS records for a domain, live and uncached.

    Developer & WebDomain
    Server lookupOpen tool

  • JSON to CSV Converter

    Turn an array of JSON objects into CSV for Excel or Google Sheets, flattening nested fields into columns.

    Developer & WebJSON
    Runs in your browserOpen tool

  • CSS Gradient Generator

    Build linear, radial and conic CSS gradients with a live preview and copyable CSS.

    Design & Accessibility
    Runs in your browserOpen tool

  • HTTP Status Checker

    Check what status a URL returns and follow its redirect chain, hop by hop, with timings.

    SEO & MarketingURL
    Server lookupOpen tool

  • Schema Markup Generator

    Build JSON-LD structured data for organisations, local businesses, articles, products, FAQs and jobs.

    SEO & MarketingTEXT
    Runs in your browserOpen tool

  • SQL Formatter

    Format SQL queries for twelve dialects, with keyword casing and indentation you choose.

    Developer & WebSQL
    Runs in your browserOpen tool

  • SVG to PNG

    Render SVG files to PNG, JPG or WebP at any size - sharp, because the vector is drawn at the output size.

    Image ToolsSVG
    Runs in your browserOpen tool

  • Text Cleaner

    Fix text copied from a PDF or email: extra spaces, broken line breaks, invisible characters, stray HTML.

    Productivity & EverydayTEXT
    Runs in your browserOpen tool

  • YAML Formatter and Validator

    Tidy YAML to consistent indentation and check it parses, with the line and column of any error.

    Developer & WebYAML
    Runs in your browserOpen tool

  • JavaScript Formatter

    Indent and format JavaScript or TypeScript, including minified bundles, with a choice of brace style.

    Developer & WebJavaScript · TypeScript · JSON
    Runs in your browserOpen tool

  • WHOIS Lookup

    Look up a domain's registrar, registration and expiry dates, status codes and nameservers through RDAP.

    Developer & WebDomain · IP
    Server lookupOpen tool

  • XML Formatter

    Format or minify XML and check that it is well formed, with the line and column of any error.

    Developer & WebXML · SVG · RSS
    Runs in your browserOpen tool

  • XML Sitemap Generator

    Turn a list of URLs into a valid sitemap.xml, with optional lastmod, changefreq and priority.

    SEO & MarketingTEXT
    Runs in your browserOpen tool

  • HTML Formatter

    Indent messy or minified HTML so you can read it, with a preview of how it renders.

    Developer & WebHTML
    Runs in your browserOpen tool

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