Developer & Code
Format, validate, minify JSON/HTML/CSS/JS, decode JWT tokens, convert timestamps, test regex patterns, generate UUIDs, and convert color codes safely.
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Featured Developer Tools
JSON Formatter & Beautifier
Format and beautify raw JSON data
JSON Validator & Error Finder
Validate JSON syntax against RFC 8259 specifications and identify exact line/column parsing errors.
JSON to CSV Converter
Convert JSON arrays and objects into downloadable CSV spreadsheet files with custom delimiters.
CSV to JSON Converter
Convert CSV and TSV spreadsheet tables into structured JSON arrays of objects.
All Developer & Code (25)
JSON Formatter & Beautifier
PopularFormat and beautify raw JSON data
JSON Validator & Error Finder
PopularValidate JSON syntax against RFC 8259 specifications and identify exact line/column parsing errors.
JSON Minifier & Compressor
Strip all unnecessary whitespace and newlines from JSON to minimize payload bandwidth.
JSON Tree Viewer & Explorer
Explore complex JSON objects with collapsible tree nodes, key search, and data type badges.
JSON to CSV Converter
PopularConvert JSON arrays and objects into downloadable CSV spreadsheet files with custom delimiters.
CSV to JSON Converter
PopularConvert CSV and TSV spreadsheet tables into structured JSON arrays of objects.
Base64 Text Encoder
PopularEncode UTF-8 plain text strings into RFC 4648 Base64 encoded format with URL-safe option.
Base64 Text Decoder
PopularDecode Base64 encoded strings back to original human-readable UTF-8 plain text.
URL Encoder (Percent-Encoding)
Encode query parameters and URI components into standard percent-encoded (%20) format.
URL Decoder (Percent-Decoding)
Decode percent-encoded (%20, %26) URL strings and query parameters back to clear readable text.
HTML Formatter & Beautifier
Beautify messy HTML markup with clean indentation, proper nesting, and tag attribute alignment.
HTML Minifier
Minify HTML markup by stripping comments, empty spaces, and unneeded attributes for faster web rendering.
CSS Formatter & Beautifier
Beautify CSS stylesheets with standard rule formatting, selector indentation, and property sorting.
CSS Minifier
Compress CSS stylesheets by removing whitespace, comments, and redundant semicolons.
JavaScript Formatter & Beautifier
Format, beautify, and indent messy JavaScript/TypeScript code with syntax highlighting.
JavaScript Minifier
Minify JavaScript code by removing comments, whitespaces, and compacting syntax safely.
UUID / GUID Generator (v4 & v7)
PopularGenerate bulk cryptographically secure UUID v4 (random) and UUID v7 (time-ordered) unique identifiers.
JWT Decoder (JSON Web Token)
PopularDecode and inspect JSON Web Token header, payload claims, expiration timestamps, and signatures locally.
Unix Timestamp Converter
PopularConvert Unix epoch timestamps (seconds and milliseconds) to human dates and vice versa with UTC/Local support.
Regex Tester & Debugger
PopularTest regular expressions in real-time with regex flag toggles (g, i, m, s), capture group breakdown, and match highlighting.
Regex Pattern Generator & Cheatsheet
Generate common regex patterns for email, phone numbers, URLs, IP addresses, dates, and passwords.
Color Code Converter (HEX, RGB, HSL, CMYK)
PopularConvert between HEX, RGB, RGBA, HSL, HSLA, HSV, and CMYK color models with visual palette sliders.
HEX to RGB Converter
Convert 6-digit and 8-digit HEX color codes (#FFFFFF) into standard CSS RGB and RGBA values.
RGB to HEX Converter
Convert red, green, blue numeric values (0-255) into standard 6-digit CSS HEX color codes.
Markdown Previewer & Editor
PopularLive side-by-side Markdown editor and HTML renderer with GitHub-flavored markdown (tables, task lists, code blocks).