๐งฐ DevToolkit
86+ developer tools in one place
Hash generators, encoders, formatters, converters, network utils, color tools, and more. Every tool also has a REST API endpoint.
๐ Crypto (8)
Token Generator
Generate cryptographically secure random tokens in hex, base64, or URL-safe format.
Hash Text
Hash text using MD5, SHA-1, SHA-256, SHA-384, or SHA-512.
Bcrypt Hash
Hash or verify text using a bcrypt-like scheme (simulated with SHA-256 + salt).
UUID Generator
Generate UUIDs (version 1 or version 4).
HMAC Generator
Generate an HMAC (Hash-based Message Authentication Code).
Password Strength Analyzer
Analyze password strength โ score, entropy, and character composition.
RSA Key Pair Generator
Generate a simulated RSA key pair (placeholder random hex strings).
File Checksum
Compute a checksum (hash) from base64-encoded file content.
๐ Converters (15)
YAML to JSON
Convert YAML to JSON format.
JSON to YAML
Convert JSON to YAML format.
JSON to TOML
Convert JSON to TOML format.
TOML to JSON
Convert TOML to JSON format.
YAML to TOML
Convert YAML to TOML format.
TOML to YAML
Convert TOML to YAML format.
XML to JSON
Convert XML to JSON format.
JSON to XML
Convert JSON to XML format.
JSON to CSV
Convert a JSON array of objects to CSV.
CSV to JSON
Convert CSV to a JSON array of objects.
Markdown to HTML
Convert Markdown text to HTML.
Number Base Converter
Convert a number between bases (2, 8, 10, 16).
Roman Numeral Converter
Convert between Roman numerals and integers.
Case Converter
Convert text between different cases (upper, lower, title, camel, snake, kebab, pascal).
List Converter
Convert between list formats (comma, newline, space, tab separated).
๐ฆ Encoders / Decoders (10)
Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text.
URL Encode / Decode
Percent-encode or decode a URL / query string.
HTML Entities Escape / Unescape
Escape special characters to HTML entities or unescape them back.
JWT Decode
Decode a JWT token without signature verification. Shows header and payload.
Punycode Encode / Decode
Convert internationalized domain names to/from Punycode (ACE) form.
Unicode Escape / Unescape
Convert text to Unicode escape sequences (\uXXXX) or back.
Text โ Binary
Convert text to 8-bit binary representation or binary back to text.
Text โ Hex
Convert text to hexadecimal representation or hex back to text.
NATO Phonetic Alphabet
Convert text to the NATO phonetic alphabet representation.
Morse Code
Convert text to Morse code or decode Morse code back to text.
๐ Web (8)
URL Parser
Parse a URL into its components: scheme, host, port, path, query parameters, and fragment.
HTTP Status Codes
Look up the meaning of any HTTP status code.
User-Agent Parser
Parse a user-agent string to extract browser, OS, and device information.
Basic Auth Generator
Generate a Base64-encoded HTTP Basic Authentication header value.
Slugify
Convert text to a URL-friendly slug (lowercase, hyphens, no special characters).
OG Meta Tag Generator
Generate Open Graph meta tags for social media sharing.
SafeLink Decoder
Decode Microsoft Outlook SafeLink URLs to extract the original URL.
MIME Type Lookup
Look up MIME type for a file extension, or find extensions for a MIME type.
๐ Text (9)
Text Statistics
Analyze text: character count, word count, line count, sentence count, paragraph count, average word length, and estimated reading time.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text.
Text Diff
Compare two texts and show the differences in unified diff format.
Regex Tester
Test a regular expression pattern against text. See all matches with groups and positions.
String Escape/Unescape
Escape or unescape strings for JSON, HTML, XML, CSV, or regex.
Text Reverse
Reverse text by characters or by words.
Remove Duplicate Lines
Remove duplicate lines from text while preserving order.
Sort Lines
Sort lines alphabetically or numerically, ascending or descending.
Count Occurrences
Count how many times a substring appears in text, with positions.
๐พ Data & Code (7)
JSON Prettify
Prettify and format JSON with customizable indentation.
JSON Minify
Minify JSON by removing all unnecessary whitespace.
JSON Path Query
Query JSON with dot notation path (e.g. data.users[0].name).
SQL Formatter
Format SQL queries with uppercase keywords and proper indentation.
HTML Prettify
Prettify and indent HTML markup.
CSS Minify
Minify CSS by removing comments, whitespace, and newlines.
JS Minify
Basic JavaScript minifier โ removes comments and excess whitespace.
๐ Network (5)
IP Info
Parse and analyze an IP address โ version, class, private/public, binary representation.
CIDR Calculator
Calculate network details from CIDR notation โ network, broadcast, netmask, host range, total hosts.
Subnet Calculator
Calculate subnet details from an IP address and subnet mask.
IPv4 to IPv6
Convert an IPv4 address to its IPv6-mapped representation.
MAC Address Lookup
Validate and format a MAC address in colon, dash, and dot notation.
๐ข Math & Numbers (5)
Percentage Calculator
Calculate percentages โ what percent of total, percentage increase, or percentage decrease.
Unit Converter
Convert between common units of length, weight, temperature, and data.
Bitwise Calculator
Perform bitwise operations (AND, OR, XOR, NOT, LSHIFT, RSHIFT) and see results in decimal, hex, and binary.
GCD / LCM Calculator
Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two numbers.
Prime Checker
Check if a number is prime and find its factors.
โก Generators (6)
Password Generator
Generate cryptographically secure random passwords.
QR Code Generator
Generate a QR code as a base64-encoded PNG image.
SVG Placeholder
Generate an SVG placeholder image with custom dimensions, colors, and text.
Nanoid Generator
Generate nanoid-style compact, URL-friendly unique IDs.
ULID Generator
Generate Universally Unique Lexicographically Sortable Identifiers (ULIDs).
Random Data Generator
Generate random names, emails, addresses, phone numbers, or company names.
โฐ Date & Time (5)
Unix Timestamp Converter
Convert between Unix timestamp and human-readable date/time.
Cron Parser
Parse a cron expression to human-readable text and show next 5 run times.
Timezone Converter
Convert a time from one timezone to another.
Date Difference
Calculate the difference between two dates in days, weeks, months, years, hours, and minutes.
Week Number
Get ISO week number, day of week, and day of year for a given date.
๐จ Color (3)
Color Converter
Convert colors between HEX, RGB, and HSL formats.
Color Contrast Checker
Check WCAG contrast ratio between two colors. Reports AA and AAA compliance.
Color Shades & Tints
Generate shades (darker) and tints (lighter) of a color.
๐ ๏ธ DevOps (5)
Chmod Calculator
Calculate Unix chmod value from permissions or reverse โ octal to permission breakdown.
Crontab Guru
Explain a crontab expression in human-readable form and show the next 5 scheduled runs.
Docker Compose Validator
Validate basic docker-compose YAML structure โ check for services key and basic structure.
Random Port Generator
Generate random port numbers within a specified range.
.env Parser
Parse .env file content into structured key-value pairs with validation.
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