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Generate secure random tokens with customizable character sets

Generate random TCP/UDP port numbers with configurable ranges

Generate cryptographically secure BIP39 mnemonic phrases for cryptocurrency wallets

Convert text into ASCII art banners using figlet fonts

Convert docker run CLI commands to Docker Compose YAML format

Run JavaScript code performance benchmarks in your browser

Upload a PDF file to inspect its metadata, version, and structure

Access your camera to take photos and capture images directly in the browser

A simple what-you-see-is-what-you-get rich text editor with HTML source view

Search for any number sequence in the digits of π. Find your phone number, birthday, or any pattern in pi's infinite digits.

Create professional invoices instantly with live preview. Fill in your details, add line items, and download as PDF — no sign-up, no watermarks, completely free.