Useful tools. Real results.

CyberChef

Local recipes, Base64, Hex, XOR, cryptography, hashes and compression.

IT Utilities

IP, subnet, Base64, UUID, passwords, hashes, timestamps and regex.

QR Code Generator

Export PNG / SVG with a proper quiet zone.

Barcode Generator

Code 128, EAN-13, UPC-A, Code 39 and Data Matrix.

Image Resize & Convert

Compress and resize; export JPEG, PNG and WebP.

JSON Formatter

Validate, format and minify JSON.

XML Formatter

Validate XML; reject DTD/external entities.

CSV ↔ JSON

Normalize CSV and convert JSON.

HTML / CSS / JS Formatter

Format code using Prettier in your browser.

Color Converter

HEX, RGB, HSL and WCAG contrast.

Color Palette

Shades and complementary colour from a seed.

Text Utilities

Count, change case, sort and deduplicate lines.

Markdown Preview

Safely preview and export HTML.

HTML Live Preview

HTML/CSS in isolation; scripts and network blocked.

File SHA-256

Incremental hash and comparison; no upload.

Encoding Detection

Inspect BOM, estimate encoding and preview.

DNS Lookup

A, AAAA, MX, TXT, NS, CNAME, SOA, PTR.

DNS Propagation Check

Compare Google and Cloudflare.

SPF Analyzer

Policy and bounded include/redirect dependencies.

DKIM Lookup

Look up selectors and public-key record syntax.

DMARC Analyzer

Policy, alignment and reporting addresses.

MX Record Checker

MX priorities and mail server addresses.

Reverse DNS

Look up public IPv4 / IPv6 PTR.

Domain / IP Information

DNS information and IP classification.

HTTP Headers · TUNGTEK

HTTPS headers of approved TUNGTEK domains.

Token generator

Generate random string with the chars you want, uppercase or lowercase letters, numbers and/or symbols.

Hash text

Hash a text string using the function you need : MD5, SHA1, SHA256, SHA224, SHA512, SHA384, SHA3 or RIPEMD160

Bcrypt

Hash and compare text string using bcrypt. Bcrypt is a password-hashing function based on the Blowfish cipher.

UUIDs generator

A Universally Unique Identifier (UUID) is a 128-bit number used to identify information in computer systems. The number of possible UUIDs is 16^32, which is 2^128 or about 3.4x10^38 (which is a lot!).

ULID generator

Generate random Universally Unique Lexicographically Sortable Identifier (ULID).

Encrypt / decrypt text

Encrypt clear text and decrypt ciphertext using crypto algorithms like AES, TripleDES, Rabbit or RC4.

BIP39 passphrase generator

Generate a BIP39 passphrase from an existing or random mnemonic, or get the mnemonic from the passphrase.

Hmac generator

Computes a hash-based message authentication code (HMAC) using a secret key and your favorite hashing function.

Password strength analyser

Discover the strength of your password with this client-side-only password strength analyser and crack time estimation tool.

Date-time converter

Convert date and time into the various different formats

Integer base converter

Convert a number between different bases (decimal, hexadecimal, binary, octal, base64, ...)

Roman numeral converter

Convert Roman numerals to numbers and convert numbers to Roman numerals.

Base64 string encoder/decoder

Simply encode and decode strings into their base64 representation.

Base64 file converter

Convert a string, file, or image into its base64 representation.

Color converter

Convert color between the different formats (hex, rgb, hsl and css name)

Case converter

Transform the case of a string and choose between different formats

Text to NATO alphabet

Transform text into the NATO phonetic alphabet for oral transmission.

Text to ASCII binary

Convert text to its ASCII binary representation and vice-versa.

Text to Unicode

Parse and convert text to unicode and vice-versa

YAML to JSON converter

Simply convert YAML to JSON with this online live converter.

YAML to TOML

Parse and convert YAML to TOML.

JSON to YAML converter

Simply convert JSON to YAML with this online live converter.

JSON to TOML

Parse and convert JSON to TOML.

List converter

This tool can process column-based data and apply various changes (transpose, add prefix and suffix, reverse list, sort list, lowercase values, truncate values) to each row.

TOML to JSON

Parse and convert TOML to JSON.

TOML to YAML

Parse and convert TOML to YAML.

Xml To Json

Json To Xml

Markdown To Html

Encode/decode URL-formatted strings

Encode text to URL-encoded format (also known as "percent-encoded"), or decode from it.

Escape HTML entities

Escape or unescape HTML entities (replace characters like <,>, &, " and \' with their HTML version)

URL parser

Parse a URL into its separate constituent parts (protocol, origin, params, port, username-password, ...)

Device information

Get information about your current device (screen size, pixel-ratio, user agent, ...)

Basic auth generator

Generate a base64 basic auth header from a username and password.

Open graph meta generator

Generate open-graph and socials HTML meta tags for your website.

OTP code generator

Generate and validate time-based OTP (one time password) for multi-factor authentication.

MIME types

Convert MIME types to file extensions and vice-versa.

JWT parser

Parse and decode your JSON Web Token (jwt) and display its content.

Keycode info

Find the javascript keycode, code, location and modifiers of any pressed key.

Slugify string

Make a string url, filename and id safe.

User-agent parser

Detect and parse Browser, Engine, OS, CPU, and Device type/model from an user-agent string.

HTTP status codes

The list of all HTTP status codes, their name, and their meaning.

JSON diff

Compare two JSON objects and get the differences between them.

Safelink Decoder

QR Code generator

Generate and download a QR code for a URL (or just plain text), and customize the background and foreground colors.

WiFi QR Code generator

Generate and download QR codes for quick connections to WiFi networks.

SVG placeholder generator

Generate svg images to use as a placeholder in your applications.

Git cheatsheet

Git is a decentralized version management software. With this cheatsheet, you will have quick access to the most common git commands.

Random port generator

Generate random port numbers outside of the range of "known" ports (0-1023).

Crontab generator

Validate and generate crontab and get the human-readable description of the cron schedule.

JSON prettify and format

Prettify your JSON string into a friendly, human-readable format.

JSON minify

Minify and compress your JSON by removing unnecessary whitespace.

JSON to CSV

Convert JSON to CSV with automatic header detection.

SQL prettify and format

Format and prettify your SQL queries online (it supports various SQL dialects).

Chmod calculator

Compute your chmod permissions and commands with this online chmod calculator.

XML formatter

Prettify your XML string into a friendly, human-readable format.

YAML prettify and format

Prettify your YAML string into a friendly, human-readable format.

Email Normalizer

Regex Tester

Regex Memo

IPv4 subnet calculator

Parse your IPv4 CIDR blocks and get all the info you need about your subnet.

IPv4 address converter

Convert an IP address into decimal, binary, hexadecimal, or even an IPv6 representation of it.

IPv4 range expander

Given a start and an end IPv4 address, this tool calculates a valid IPv4 subnet along with its CIDR notation.

MAC address lookup

Find the vendor and manufacturer of a device by its MAC address.

MAC address generator

Enter the quantity and prefix. MAC addresses will be generated in your chosen case (uppercase or lowercase)

IPv6 ULA generator

Generate your own local, non-routable IP addresses for your network according to RFC4193.

Math evaluator

A calculator for evaluating mathematical expressions. You can use functions like sqrt, cos, sin, abs, etc.

ETA calculator

An ETA (Estimated Time of Arrival) calculator to determine the approximate end time of a task, for example, the end time and duration of a file download.

Percentage calculator

Easily calculate percentages from a value to another value, or from a percentage to a value.

Chronometer

Monitor the duration of a thing. Basically a chronometer with simple chronometer features.

Temperature converter

Degrees temperature conversions for Kelvin, Celsius, Fahrenheit, Rankine, Delisle, Newton, Réaumur, and Rømer.

Benchmark builder

Easily compare execution time of tasks with this very simple online benchmark builder.

Lorem ipsum generator

Lorem ipsum is a placeholder text commonly used to demonstrate the visual form of a document or a typeface without relying on meaningful content

Text statistics

Get information about a text, the number of characters, the number of words, its size in bytes, ...

Emoji picker

Copy and paste emojis easily and get the unicode and code points value of each emoji.

String obfuscator

Obfuscate a string (like a secret, an IBAN, or a token) to make it shareable and identifiable without revealing its content.

Text diff

Compare two texts and see the differences between them.

Numeronym generator

A numeronym is a word where a number is used to form an abbreviation. For example, "i18n" is a numeronym of "internationalization" where 18 stands for the number of letters between the first i and the last n in the word.

Ascii Text Drawer

Phone parser and formatter

Parse, validate and format phone numbers. Get information about the phone number, like the country code, type, etc.

IBAN validator and parser

Validate and parse IBAN numbers. Check if an IBAN is valid and get the country, BBAN, if it is a QR-IBAN and the IBAN friendly format.