Utility Tools

Generate the 'Authorization' header value for HTTP Basic Authentication.

A tool for hashing and verifying passwords using the bcrypt algorithm.

Compare execution runtimes, compute sample means and variances, and export benchmark results as Markdown tables.

Generate BIP39 mnemonic phrases for creating deterministic cryptocurrency wallets.

Record video directly from your webcam or camera in your browser.

A simple and accurate online stopwatch to measure elapsed time.

Easily create and schedule cron jobs with a user-friendly interface.

View detailed information about your current device and browser.

Convert 'docker run' commands into a 'docker-compose.yml' file format.

Normalize email addresses by removing dots and plus aliases (e.g., for Gmail).

Quickly find, copy, and paste emojis for your messages and documents.

Encrypt and decrypt text using various standard encryption algorithms.

A handy cheatsheet and memoizer for common Git commands.

Validate and parse International Bank Account Numbers (IBANs).

Convert IPv4 addresses between decimal, binary, and hexadecimal formats.

Expand a given IPv4 address range or CIDR notation into a list of all IPs.

Calculate subnet details like network address, broadcast address, and host range.

Generate Unique Local Addresses (ULAs) for IPv6 networks.

Validate if an IPv6 address is a Unique Local Address (ULA).

Decode and inspect the header, payload, and signature of a JSON Web Token (JWT).

Press any key to get its JavaScript event key, code, and which values.

Generate random MAC addresses for testing or network configuration.

Find the manufacturer of a device by looking up its MAC address.

A powerful online calculator that can evaluate complex mathematical expressions.

View comprehensive information about your browser's capabilities, configuration, and installed features.

Measure your internet connection's download speed, upload speed, latency, and jitter from your browser.

A quick reference and search tool for common MIME types.

Create numeronyms (like i18n for internationalization) from words.

Generate and validate Time-based One-Time Passwords (TOTP) for 2FA.

Convert between different date formats

Parse, validate, and format international phone numbers.

Generate QR codes for URLs, text, Wi-Fi credentials, and more.

Generate a random network port number within a specified range.

A cheatsheet and tester for common regular expressions.

Test and debug your regular expressions against sample text in real-time.

Generate public and private RSA key pairs for encryption and digital signatures.

Decode Microsoft Outlook's Safe Links to reveal the original URL.

Convert any string into a URL-friendly slug.

Generate random, secure tokens or API keys of a specified length.

Generate Universally Unique Lexicographically Sortable Identifiers (ULIDs).

Encode or decode URLs and strings according to RFC 3986.

Break down a URL into its components: protocol, hostname, path, query, etc.

Parse a user-agent string to identify the browser, OS, and device.

Create a QR code that allows others to connect to your Wi-Fi network easily.

Generate placeholder Lorem Ipsum text with a customizable number of paragraphs, sentences per paragraph, and words per sentence, with optional HTML output.

Look up the MIME type for any file extension or find every file extension associated with a given MIME type, plus browse the full reference table.

Generate NIL, v1, v3, v4, and v5 UUIDs in bulk with configurable namespace and name for version 3 and 5, plus one-click copy.

Strip PII from text by replacing emails, phones, SSNs, and more with placeholders

Generate barcodes as SVG for labels, inventory, and products