All Tools Workspace

Search, filter, and access our complete set of offline developer utilities. Favorite your most-used tools to pin them to the top.

Converters & Translators

Color Converter

Convert color formats between HEX, RGB, HSL, and CMYK with a live preview.

Client-SideColorHEXRGB

Converters & Translators

Base Converter

Convert numbers between binary, octal, decimal, hexadecimal, and custom bases.

Client-SideBinaryOctalHex

Converters & Translators

JSON to CSV Converter

Convert JSON arrays to structured CSV spreadsheets instantly.

Client-SideJSONCSVConvert

Converters & Translators

JSON to TOML

Convert JSON schemas or datasets to TOML configuration format client-side in your browser.

Client-SideJSONTOMLConvert

Converters & Translators

JSON to XML

Convert JSON schema files or object dictionaries into XML tags client-side in your browser.

Client-SideJSONXMLConvert

Converters & Translators

List Converter

Deduplicate, sort, reverse, and join text lists using custom splitters and delimiters.

Client-SideListSortReverse

Converters & Translators

Markdown to HTML

Convert Markdown syntax to raw HTML markup code client-side in your browser.

Client-SideMarkdownHTMLConvert

Converters & Translators

MIME Types

Look up common MIME types and content-type headers for file extensions client-side.

Client-SideMIMEContent-TypeExtension

Converters & Translators

Text to ASCII Binary

Convert text characters to standard 8-bit binary octet strings client-side in your browser.

Client-SideASCIIBinaryText

Converters & Translators

Text to NATO Alphabet

Translate words and sentences into the standard NATO military phonetic alphabet.

Client-SideNATOPhoneticAlphabet

Converters & Translators

Text to Unicode

Convert text characters to Unicode escape sequences and code points client-side in your browser.

Client-SideUnicodeCodePointHex

Converters & Translators

TOML to JSON

Convert TOML configuration files to JSON format client-side in your browser.

Client-SideTOMLJSONConvert

Converters & Translators

TOML to YAML

Convert TOML configuration files to YAML format client-side in your browser.

Client-SideTOMLYAMLConvert

Converters & Translators

URL Encoder/Decoder

Encode or decode URL components right in your browser.

Client-SideEncode

Converters & Translators

XML to JSON

Convert XML data files into formatted JSON schemas client-side in your browser.

Client-SideXMLJSONConvert

Converters & Translators

YAML to JSON Converter

Convert YAML data structures to JSON format and vice versa client-side in your browser.

Client-SideYAMLJSONConvert

Converters & Translators

YAML to TOML

Convert YAML data structures to TOML configuration format client-side in your browser.

Client-SideYAMLTOMLConvert

Cryptography & Tokens

Basic Auth Generator

Generate standard base64-encoded HTTP Basic Authentication headers from username and password inputs.

Client-SideBasicAuthHTTP

Cryptography & Tokens

Bcrypt Generator

Generate bcrypt password hashes with custom cost factors, and compare plain text passwords against hashed values client-side.

Client-SideBcryptSaltPassword

Cryptography & Tokens

BIP39 Generator

Generate cryptographically secure BIP39 mnemonic recovery passphrases (12, 15, 18, 21, or 24 words) in your browser.

Client-SideBIP39SeedMnemonic

Cryptography & Tokens

Encrypt / Decrypt Text

Symmetrically encrypt and decrypt text strings client-side in your browser using PBKDF2 key derivation and AES-GCM.

Client-SideAESCipherEncrypt

Cryptography & Tokens

Hash Generator

Generate cryptographic MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input natively in your browser.

Client-SideMD5SHACrypto

Cryptography & Tokens

HMAC Generator

Generate cryptographic Hash-based Message Authentication Codes (HMAC) client-side using SHA-256 or SHA-512 algorithms.

Client-SideHMACMACKey

Cryptography & Tokens

IBAN Validator

Check and validate IBAN account numbers with support for country formats.

Client-SideIBANValidatorSwift

Cryptography & Tokens

JWT Parser

Decode, inspect, and parse JSON Web Token (JWT) payloads, headers, and signatures client-side in your browser.

Client-SideJWTJSONToken

Cryptography & Tokens

OTP Generator

Generate 6-digit Time-based One-Time Passwords (TOTP) from secret base32 keys client-side in your browser.

Client-SideOTPTOTP2FA

Cryptography & Tokens

Password Strength Analyser

Analyse password safety, estimate brute-force cracking durations, and calculate entropy scores client-side.

Client-SidePasswordStrengthEntropy

Cryptography & Tokens

PDF Signature Checker

Verify if PDF documents contain digital signatures and check byte ranges client-side in your browser.

Client-SidePDFSignatureSign

Cryptography & Tokens

RSA Key Generator

Generate cryptographic RSA public and private key pairs natively in your browser using standard PEM formats.

Client-SideRSAKeypairPEM

Cryptography & Tokens

String Obfuscator

Obfuscate emails and strings using ROT13, hex escape encoding, or base64 to prevent scraping.

Client-SideObfuscateROT13Base64

Cryptography & Tokens

Token Generator

Generate cryptographic tokens in Hex, Base64, and customized alphanumeric formats client-side in your browser.

Client-SideTokenAPIKey

Cryptography & Tokens

ULID Generator

Generate Universally Unique Lexicographically Sortable Identifiers (ULIDs) client-side in your browser.

Client-SideULIDSortableRandom

Cryptography & Tokens

UUID Generator

Generate RFC 4122 compliant random UUID (v4) tokens in bulk.

Client-SideUUIDGUIDRandom

Development Utilities

API Tester

Test HTTP REST API endpoints directly from your browser. Send custom HTTP requests, query parameters, header credentials, and raw JSON payloads. Bypasses browser CORS policy limitations.

Client-SideAPICORSRequest

Formatters & Beautifiers

HTML Entity Escaper

Escape HTML tags and characters into HTML entities or unescape entities back to raw HTML codes client-side.

Client-SideHTMLEscapeUnescape

Formatters & Beautifiers

JSON Tools

Format, validate, minify, and convert JSON online. Explore Tree and Form views, edit JSON structures instantly, and use keyboard shortcuts.

Client-SideFormatValidateMinify

Formatters & Beautifiers

JSON Validator

Validate JSON syntax instantly and see exactly which line and column the error is on. Format valid JSON with one click.

Client-SideFormatLinter

Formatters & Beautifiers

SQL Prettifier

Prettify, format, uppercase SQL keywords, and indent query clauses client-side in your browser.

Client-SideSQLFormatterPrettify

Formatters & Beautifiers

XML Formatter

Prettify, format, and indent XML files client-side in your browser.

Client-SideXMLFormatPrettify

Formatters & Beautifiers

YAML Formatter

Prettify, format, validate, and lint YAML strings client-side in your browser.

Client-SideYAMLFormatPrettify

Math & Time Helpers

Benchmark Builder

Build performance speed tests on custom JavaScript code snippets client-side in your browser.

Client-SideBenchmarkPerformanceSpeed

Math & Time Helpers

Chronometer

Start, pause, split lap times, and track stopwatch metrics client-side in your browser.

Client-SideStopwatchChronometerTimer

Math & Time Helpers

Crontab Generator

Visual cron scheduler and expression builder. Generate cron schedule lines and review running timings client-side.

Client-SideCronCrontabSchedule

Math & Time Helpers

Date Range Calculator

Calculate the exact difference between two dates or Unix timestamps, right in your browser.

Client-SideCalendar

Math & Time Helpers

ETA Calculator

Calculate task completion time, speed rates, and remaining durations based on elapsed time and item progress.

Client-SideETAProgressEstimate

Math & Time Helpers

Math Evaluator

Solve basic and complex mathematical expressions client-side securely in your browser.

Client-SideMathCalculatorFormula

Math & Time Helpers

Percentage Calculator

Solve percentage equations, additions, reductions, and ratio distributions client-side in your browser.

Client-SidePercentageRatioIncrease

Math & Time Helpers

Random Number Generator

Generate a list of random numbers within a custom range, right in your browser.

Client-SideMathGen

Math & Time Helpers

Random Password Generator

Generate strong, random passwords using your browser's cryptographically secure random number generator.

Client-SideSecureGen

Math & Time Helpers

Temperature Converter

Convert temperatures between Celsius, Fahrenheit, and Kelvin client-side in your browser.

Client-SideTemperatureCelsiusFahrenheit

Math & Time Helpers

Unix Time Converter

Convert between Unix timestamps and human-readable dates, with a live-updating current timestamp.

Client-SideEpochUTC

Media & Camera Tools

Camera Recorder

Record camera and microphone video clips client-side in your browser. Download output clips locally.

Client-SideCameraRecordVideo

Media & Camera Tools

Image Compressor

Resize and compress a single image right in your browser, with a live quality slider.

Client-SideWEBPPNG

Media & Camera Tools

Multi-Image Compressor

Resize and compress multiple images at once, right in your browser, and download them as a ZIP.

Client-SideBatchZIP

Media & Camera Tools

Open Graph Generator

Generate copyable HTML Open Graph meta tags for Facebook, LinkedIn, Twitter, and Discord in real-time.

Client-SideOpen GraphOGSocial

Media & Camera Tools

QR Code Generator

Generate a downloadable QR code from any text or URL, right in your browser.

Client-SideSVGQR

Media & Camera Tools

SVG Placeholder Generator

Generate lightweight, custom-dimension SVG placeholder images and source strings in real-time.

Client-SideSVGPlaceholderBanner

Media & Camera Tools

WiFi QR Code Generator

Generate QR codes to share wireless networks safely without displaying keys.

Client-SideWiFiQRScan

Web & Networking

Chmod Calculator

Calculate and generate Unix chmod permission octal values and symbolic representations in real-time.

Client-SideChmodPermissionUnix

Web & Networking

Device Information

Inspect browser client metadata: screen resolutions, languages, GPU renderer, touch, and network settings.

Client-SideDeviceScreenBrowser

Web & Networking

IPv4 Address Converter

Convert IPv4 addresses to Decimal, Binary, and Hexadecimal notations client-side in your browser.

Client-SideIPIPv4Convert

Web & Networking

IPv4 Range Expander

List out all individual IP addresses contained inside a CIDR block or hyphenated range client-side in your browser.

Client-SideIPIPv4Range

Web & Networking

IPv4 Subnet Calculator

Calculate subnet IP range, netmask, wildcard, broadcast address, and host capacities from CIDR notation.

Client-SideIPIPv4Subnet

Web & Networking

IPv6 ULA Generator

Generate private, RFC 4193 compliant Unique Local Address (ULA) IPv6 ranges client-side in your browser.

Client-SideIPv6ULAPrivate

Web & Networking

MAC Address Generator

Generate random, unicast, multicast, local, or global MAC addresses client-side in your browser.

Client-SideMACGeneratorRandom

Web & Networking

MAC Address Lookup

Lookup MAC address manufacturer and OUI details client-side in your browser.

Client-SideMACOUIVendor

Web & Networking

Phone Parser

Sanitize, parse, extract country prefixes, and format telephone numbers.

Client-SidePhoneParserFormat

Web & Networking

Random Port Generator

Generate random, non-privileged, unreserved port numbers (1024-65535) client-side in your browser.

Client-SidePortRandomNetwork

Web & Networking

URL Parser

Parse any web URL into its constituent parts including host, path, parameters, protocol, port, and hash parameters client-side.

Client-SideURLQueryPath

Web & Networking

User-Agent Parser

Parse browser User-Agent strings client-side to detect OS, browser brands, engine, and hardware specifications.

Client-SideUser AgentUABrowser

Text & Writing

ASCII Art Generator

Convert letters and words into clean blocky ASCII art text figures client-side in your browser.

Client-SideASCIIArtText

Text & Writing

Case Converter

Convert text between uppercase, lowercase, title case, camelCase, snake_case, and kebab-case.

Client-SideCasecamelCasesnake_case

Text & Writing

Compare Text

Compare two blocks of text and see exactly what's different, word by word, right in your browser.

Client-SideTextDiff

Text & Writing

Email Normalizer

Sanitize, normalize, lowercase, and clean email addresses to prevent duplicate users.

Client-SideEmailNormalizeSanitize

Text & Writing

Emoji Picker

Browse categorized emojis, search by names, and copy icons to clipboard.

Client-SideEmojiPickerIcons

Text & Writing

Git Cheatsheet

Browse, filter, and search through essential Git commands, commit standards, and branch patterns.

Client-SideGitCheatsheetCommands

Text & Writing

HTML WYSIWYG Editor

Edit HTML documents visually and extract raw formatted HTML strings in real-time.

Client-SideWYSIWYGEditorHTML

Text & Writing

Keycode Info

Inspect keyboard event parameters: key, code, which, and modifiers status in real-time.

Client-SideKeycodeKeyboardKey

Text & Writing

Letters Shuffler

Shuffle the inner letters of every word in your text while keeping the first and last letters in place.

Client-SideFun

Text & Writing

Line Break Adder

Insert a line break before, after, or in place of every occurrence of a word in your text.

Client-SideFormat

Text & Writing

Line Break Remover

Strip all line breaks from a block of text, turning it into a single line.

Client-SideFormat

Text & Writing

Lorem Ipsum Generator

Generate placeholder text, sentences, paragraphs, or lists for layout mockups.

Client-SideLoremIpsumDummy

Text & Writing

Numeronym Generator

Abbreviate text strings to standard numeronym format (e.g. internationalization becomes i18n).

Client-SideNumeronymAcronymi18n

Text & Writing

Regex Cheatsheet

A comprehensive reference guide for regular expressions syntax: characters, character classes, anchors, and lookarounds.

Client-SideRegexCheatsheetSyntax

Text & Writing

Regex Tester

Test regular expression patterns against strings. Review highlight matches and regex flags in real-time.

Client-SideRegexTesterMatch

Text & Writing

Replace Text

Find and replace every occurrence of a word or phrase in your text, right in your browser.

Client-SideFind

Text & Writing

Slugify String

Convert string inputs into clean, lowercased, URL-safe slug formats client-side in your browser.

Client-SideSlugSlugifyURL

Text & Writing

Text Cleaner

Clean up messy text by trimming extra spaces and capitalizing the first letter of every sentence.

Client-SideRegex

Text & Writing

Text Statistics

Count words, characters, sentences, and unique words in your text instantly, right in your browser.

Client-SideStats