Encoding & Crypto— Guides & Articles

• Base58 Decode: Command Line vs Browser

  Published 2026-08-24

  Compare two ways to decode Base58: a command-line utility and a browser-based tool. See alphabet rules, leading-zero handling, and Base58Check limits.

  

• Decode Base32 in C#: Browser Tool or Library

  Published 2026-08-24

  Base32 decode in C# is not built into .NET. Compare browser tools and NuGet packages for RFC 4648 validation with no upload.

  

• Base100 Encode Explained: The Byte-to-Emoji Formula

  Published 2026-08-24

  Base100 encode explained: each UTF-8 byte maps to one code point from U+1F3F7 through U+1F4F6. See the formula in action and try the browser tool.

  

• ASCII Code Converter Cheat Sheet: Quick Decimal Reference

  Published 2026-08-24

  ASCII code converter cheat sheet covering decimal values 0-127. Convert text to decimal ASCII codes or decode codes back to exact characters locally.

  

• AES Encryption Online Cheat Sheet: AES-256-GCM Parameters

  Published 2026-08-24

  AES encryption online cheat sheet for AES-256-GCM: cipher parameters, JSON package fields, and a browser-side encrypt and decrypt workflow.

  

• Convert a Text File to Binary in Windows

  Published 2026-08-24

  Convert a text file to binary in Windows by encoding each Unicode character as 8-bit UTF-8 bytes, displayed locally in your browser with no upload.

  

• What Is a Cipher? A Plain-English Guide With A1Z26

  Published 2026-08-24

  A cipher is any reversible rule that turns plaintext into ciphertext. See how A1Z26 maps A to 1, B to 2 ... Z to 26, and why it is the easiest cipher to teach.

  

• Run an XOR Cipher Online and Pick the Output Format

  Published 2026-08-23

  Use XOR Encryption Online to apply a repeating-key XOR to UTF-8 text and exchange reversible ciphertext as hex or Base64 — entirely in your browser.

  

• How to Read a Vigenere Cipher: Match the Key Alignment

  Published 2026-08-23

  Read a Vigenere cipher by entering the ciphertext, supplying a known A–Z key, and decrypting it locally in your browser with case and punctuation intact.

  

• How to Use a UTF-8 Encoder / Decoder

  Published 2026-08-23

  Convert Unicode text to hex, decimal, or binary UTF-8 bytes and decode them back. Fatal checks reject malformed input instead of replacing it silently.