Encoding & Crypto — Guides & Articles

• Punycode Converter Alternative: Skip the Remote API

  Published 2026-09-12

  Need a Punycode converter alternative? Run RFC 3492 Bootstring locally in your browser with no API calls, no uploads, and strict IDN label-boundary handling.

  

• Password Generator: What Makes a Random String Secure

  Published 2026-09-12

  A password generator builds strong, random strings in your browser with a CSPRNG. See how entropy, length, and character pools shape password strength.

  

• Morse Code Translator API Alternative That Runs Locally

  Published 2026-09-12

  Looking for a Morse code translator API alternative? This free browser tool follows ITU-R M.1677-1, plays a real 600 Hz tone, and needs no signup or API key.

  

• HTML Escape Explained: From Characters to Entities

  Published 2026-09-12

  HTML escape explained: which characters become entities, why context matters, and how to encode or decode references locally in your browser.

  

• HMAC Generator Alternative: No Server, Full HMAC Tags

  Published 2026-09-11

  HMAC generator alternative that runs in your browser: full SHA-256, SHA-384, and SHA-512 tags as hex and Base64, with no server upload.

  

• Hill Cipher Decoder Cheat Sheet: Formulas and Defaults

  Published 2026-09-11

  Hill Cipher Decoder cheat sheet: A=0–Z=25 convention, 2×2 column-vector formula, default key 3 3; 2 5, X padding rule, and the modular-inverse requirement…

  

• Binary to Text for Beginners: A First Hour Walkthrough

  Published 2026-09-11

  Binary basics for beginners: see how every letter becomes 0s and 1s and try a free UTF-8 converter that runs locally in your browser.

  

• Gzcompress Online Large Text: Handle Big UTF-8 Payloads

  Published 2026-09-11

  Compress or decompress large UTF-8 text with gzcompress online using the browser's CompressionStream API. Strict RFC 1952 framing, 5 MB cap, no upload.

  

• Convert a File to Base64 in Angular Components

  Published 2026-09-11

  Convert a file to Base64 in Angular with a strict, local-browser workflow that produces canonical RFC 4648 output under 10 MB without uploading bytes.

  

• Base64 to Hex Decoder: Inspect Bytes the Strict Way

  Published 2026-09-11

  Paste RFC 4648 Base64 and get exact lowercase hex bytes back. Strict validation rejects padding and base64url mistakes that break spec comparisons.