Developer Tools Hub
Everything you need in one place. Open a tool, get it done, move on. Say goodbye to bookmarking scattered utilities.
Popular Tools
Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates or generate timestamps from dates.
Password Generator
Generate secure, random passwords with customizable options.
QR Code Generator
Generate high-resolution scannable QR codes with custom colors and center logo image support.
JSON Formatter
Beautify with proper indentation, minify payload, and sort keys.
Base64 Encoder / Decoder
Encode text and files to Base64 or decode Base64 strings to UTF-8 text with URL-safe support.
Regex Tester
Test regular expressions in real time with live match highlighting, capture group analysis, and instant presets.
Credit Card Validator
100% client-side Luhn algorithm checksum verification, card issuer BIN identification, and step-by-step arithmetic visualizer.
Word Counter
Count words, characters, sentences, and paragraphs in real time. Evaluate Flesch reading ease scores, reading/speaking durations, and top keyword densities.
Browse Categories
All Tools
Markdown to HTML
Convert Markdown text to HTML code instantly with live preview.
JSON to CSV
Convert JSON data to CSV format instantly.
CSV to JSON
Convert CSV files or tabular data into formatted JSON arrays instantly.
XML to JSON
Convert XML documents or snippets into cleanly structured JSON objects instantly.
YAML to JSON
Convert YAML documents or configuration files into formatted JSON objects instantly.
Image to Base64
Convert any image file (PNG, JPG, WebP, SVG) into a Base64 string or Data URI instantly.
Unix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates or generate timestamps from dates.
Color Converter (HEX / RGB / HSL)
Bi-directional color converter and interactive visualizer between HEX codes, RGB, and HSL.
JSON Formatter
Beautify with proper indentation, minify payload, and sort keys.
SQL Formatter
Format, beautify, and minify SQL queries across PostgreSQL, MySQL, T-SQL, and BigQuery.
HTML Formatter
Beautify, format, and minify HTML markup with custom indentation and wrapping control.
CSS Formatter
Beautify, format, and minify stylesheets with custom indentation and rule spacing.
JavaScript Formatter
Beautify, format, and minify JavaScript and ES6+ modules with custom brace style and indentation.
XML Formatter
Format, beautify, validate, and minify XML documents and sitemaps with custom indentation.
Code Minifier (JS/CSS/HTML)
Compress and minify JavaScript, CSS stylesheets, and HTML markup instantly with real-time savings analytics.
YAML Formatter
Format, beautify, validate, and sort Kubernetes, Docker Compose, and CI/CD YAML configurations.
Password Generator
Generate secure, random passwords with customizable options.
UUID Generator
Generate version 1, 3, 4, and 5 UUIDs instantly.
QR Code Generator
Generate high-resolution scannable QR codes with custom colors and center logo image support.
Hash Generator (MD5 / SHA1 / SHA256)
Compute MD5, SHA-1, SHA-256, and SHA-512 cryptographic digests and HMAC codes instantly.
Lorem Ipsum Generator
Generate placeholder text in Classic Latin, Tech/Dev Ipsum, or Startup Venture Ipsum.
Random Number Generator
Generate cryptographically secure random integers or decimals with custom ranges and unique filters.
Barcode Generator
Generate industry-standard 1D barcodes (CODE 128, EAN-13, UPC, CODE 39) with PNG and SVG export.
CSS Gradient Generator
Design stunning Linear, Radial, and Conic CSS gradients with multi-stop color controls.
Meta Tag Generator
Generate primary SEO tags, Open Graph tags, and Twitter Cards with live Google SERP preview.
Base64 Encoder / Decoder
Encode text and files to Base64 or decode Base64 strings to UTF-8 text with URL-safe support.
URL Encoder / Decoder
Encode URLs and query parameters using percent-encoding (RFC 3986) with live query parameter inspection.
JWT Decoder
Decode, inspect, and verify JSON Web Tokens (JWT) client-side with claims & expiration analysis.
HTML Entity Encoder / Decoder
Convert characters to HTML entities (©, ", ©) or decode entities back to readable text.
Hex Encoder / Decoder
Encode UTF-8 strings & files to hexadecimal dumps or decode hex streams with custom delimiters.
Text ⇄ Binary Converter
Encode UTF-8 text into 8-bit binary octets (0s & 1s) or decode binary streams with character breakdown.
Text ⇄ ASCII Code Converter
Convert text to numerical ASCII codes (Decimal, Hex, Octal, Binary) or decode ASCII code sequences back to text.
Unicode Escape / Unescape
Convert emojis and multilingual text to Unicode escape sequences (\uXXXX, \u{XXXXX}, \UXXXXXXXX) or unescape them.
JSON Validator
Real-time JSON syntax validator with structural statistics, error line detection, and automatic syntax repair.
Regex Tester
Test regular expressions in real time with live match highlighting, capture group analysis, and instant presets.
Email Validator
RFC 5322 syntax validation, disposable mailbox detection, role account identification, and bulk email list cleaner.
Credit Card Validator
100% client-side Luhn algorithm checksum verification, card issuer BIN identification, and step-by-step arithmetic visualizer.
URL Validator
Validate RFC 3986 URL syntax, inspect scheme/hostname/pathname/query parameters, and audit bulk links.
XML Validator
Validate XML documents against W3C well-formedness standards, pinpoint syntax error lines, inspect structural statistics, and beautify code.
Password Strength Checker
Evaluate cryptographic entropy bits, character pool composition, dictionary flaws, and estimated GPU cluster cracking time.
IP Address Validator
Validate IPv4 & IPv6 addresses with optional CIDR masks, classify private RFC 1918 / loopback ranges, and convert integer/hex/binary notations.
Word Counter
Count words, characters, sentences, and paragraphs in real time. Evaluate Flesch reading ease scores, reading/speaking durations, and top keyword densities.
Character Counter
Inspect exact character breakdowns, UTF-8/UTF-16 byte sizes, character classes, and check text against SEO title tags, SMS, X/Twitter, and Instagram limits.
Case Converter
Transform text between uppercase, lowercase, title case, sentence case, and developer code conventions (camelCase, snake_case, kebab-case, PascalCase).
Text Diff Checker
Compare two texts or code snippets side-by-side or in unified patch mode. Highlight added, deleted, and unmodified lines in real time.
Remove Duplicate Lines
Clean and deduplicate lists, emails, domains, or logs. Filter empty lines, ignore case/whitespace, sort alphabetically, and inspect exact removed duplicates.
Text Reverser
Reverse strings character-by-character, flip word or line order, generate upside-down Unicode text, and test whether phrases are exact palindromes.
Slug Generator
Convert titles, headings, and blog headlines into clean, SEO-optimized URL slugs. Filter stop words, remove diacritics, and generate batch slugs instantly.
Find & Replace Tool
Search and transform text using literal strings or powerful regular expressions. Support whole-word matching, case insensitivity, and inspect real-time replacement logs.
Line Break Remover
Remove line breaks, rejoin broken PDF or OCR columns, preserve paragraphs automatically, and clean extra whitespace instantly.