Free Client-Side Developer Tools Suite
Format JSON, debug JWT tokens, encode Base64 strings, evaluate RegEx patterns, convert colors, and format SQL queries instantly with complete privacy.
Text & Code Diff Checker Studio
Compare two text documents or code snippets with split side-by-side view, unified diffs, additions & deletions count, and PDF diff reports.
Scientific Unit & Real Estate Converter
Convert length, area (Acre, Bigha, Guntha, Sq Ft), weight, digital storage, temperature, and speed with live matrix tables and PDF reference charts.
JSON Beautifier & Minifier
Format, validate, prettify, and minify JSON data with custom indentation.
JS Object to JSON
Convert JavaScript object notation and loose syntax to strictly valid JSON.
JS Object Beautifier
Beautify and format JavaScript object literals cleanly.
YAML to JSON
Parse and convert YAML configuration syntax into standard formatted JSON.
JSON to YAML
Convert JSON structures into clean, human-readable YAML formats.
JSON to CSV
Convert JSON arrays and objects into comma-separated CSV spreadsheets.
CSV to JSON
Convert CSV raw tabular data into structured JSON objects with auto-header parsing.
JWT Debugger
Decode and inspect JSON Web Token headers, payload claims, and expiration dates.
Base64 Encoder
Encode plain text strings and UTF-8 characters to Base64 format.
URL Encoder
Safely encode query parameters and special characters for HTTP URLs.
URL Decoder
Decode URL-encoded strings and percent-encoded query parameters.
UUID / GUID Generator
Generate cryptographically strong random UUID v4 identifiers.
UUID Decoder
Decode and inspect UUID version, variant, and timestamp metadata.
Hex to ASCII
Convert hexadecimal byte sequences into standard readable ASCII text.
ASCII to Hex
Convert ASCII plain text characters to hexadecimal representation.
SQL Formatter
Format complex SQL queries with consistent keyword casing and indentation.
HTML Beautifier
Indent and prettify messy HTML tags with consistent syntax trees.
HTML Minifier
Minify HTML markup by removing whitespace, comments, and redundant characters.
HTML to JSX Converter
Convert regular HTML code into React JSX syntax (`className`, `htmlFor`, etc.).
XML Beautifier
Format and indent XML documents with structured element tags.
XML Minifier
Minify XML data streams by removing extraneous whitespace.
RegEx Tester
Test regular expressions with real-time matching and capture groups.
Backslash Escape
Escape quotes, backslashes, and special characters for string literals.
Backslash Unescape
Unescape escaped strings and backslash characters back to raw text.
Color Converter & Palette Studio
Convert color formats between HEX, RGB, HSL, HSV, CMYK, and Decimal. Generate Tailwind 50-950 scales, harmonies, and check WCAG contrast.
String Inspector & Text Forensics Studio
Analyze character metrics, byte sizes, Unicode code points, Flesch readability, word frequency, zero-width chars, and crypto hashes.
Typing Speed Calculator & WPM Test
Benchmark your Net WPM, accuracy, and keystroke speed across English, Spanish, French, German, Hindi, and code with free certificate export.
QR Code & Barcode Studio
Generate 2D QR codes (URL, Wi-Fi, vCard, WhatsApp, UPI) & 1D barcodes (Code 128, EAN-13, UPC) with custom logo, colors, and printable sticker label sheets.
Engineered for Developers & Systems Architects
Pasting sensitive API payload tokens, credentials, or SQL database dumps into random web tools poses significant security risks. DocuDev solves this by running all transformations completely client-side.
JWT tokens, secret keys, and payload objects stay strictly inside your local browser memory space.
Powered by VS Code Monaco editor primitives for syntax highlighting, bracket matching, and line numbering.
Quick copy options and file download helpers streamline your engineering workflow.