Encoding & Cipher
Convert text to and from Morse code, Base64, binary, URL encoding, HTML entities, ROT13, Caesar cipher, ASCII, Unicode, hex, and NATO phonetic alphabet.
3 tools
About Encoding & Cipher Tools
Encoding tools translate text into a transport-safe or alternate representation — and back again. Unlike encryption, encoding is reversible and widely standardized: Base64 for binary-safe payloads, percent-encoding for URLs, Morse code for radio and emergency signals. SuperTextTools groups the most practical text encoding tools and cipher tools online so you can encode or decode in seconds without installing a CLI utility or writing a one-off script.
Developers encode data constantly. API responses get Base64-wrapped; query strings need URL percent-encoding; debugging sessions involve decoding escaped characters from logs. Ham radio operators and puzzle enthusiasts still work with Morse. Security-conscious teams use these tools locally to inspect tokens and payloads without pasting secrets into unknown third-party sites — SuperTextTools processes everything client-side, so your strings stay on your machine.
Typical use cases include preparing a URL parameter before testing an endpoint, decoding a Base64 cookie value during local development, translating SOS into Morse for an educational demo, and converting user-facing text that contains spaces or symbols into a safe encoded form. Students learning networking and web standards use encoders to see exactly which characters change and why RFCs require escaping.
Our online encoder collection prioritizes speed, clarity, and privacy. No uploads, no rate limits, no ads interrupting your workflow (until we optionally enable them later). Each tool shows live output, supports copy/download where relevant, and includes examples to get you started. Whether you need a quick Base64 round-trip or a Morse audio playback check, these encoding utilities are built to be the first tab you open — and the last one you need.