Encoding & Crypto— Guides & Articles

• How to Encrypt a Caesar Cipher: Step-by-Step

  Published 2026-08-08

  Encrypt a Caesar cipher with any shift from 0 to 25. Apply the classic 26-letter shift in your browser while preserving case, numbers, and punctuation.

  

• Convert Encoding to UTF-8: Hex, Decimal, and Binary

  Published 2026-08-07

  Convert text to UTF-8 bytes in hex, decimal, or binary notation and decode byte sequences back to text with fatal error checks in your browser.

  

• Binary to Text Cheat Sheet: ASCII Reference and Examples

  Published 2026-08-07

  Binary to text cheat sheet with printable ASCII codes, common letter values in 8-bit binary, and a free UTF-8 converter that runs locally in your browser.

  

• Base64 Hex Converter: Get Exact RFC 4648 Bytes

  Published 2026-08-07

  A base64 hex converter that follows RFC 4648 strictly. Identify the source profile, convert canonical Base64 to lowercase hex or hex to Base64, preserve…

  

• Base64 Decode Cheat Sheet: Alphabet, Padding, Lengths

  Published 2026-08-07

  Base64 decode cheat sheet covering the RFC 4648 alphabet, padding rules, length math, the UTF-8 gotcha, and common decoding patterns.

  

• Base58 Decode API Alternative: Skip the Remote Call

  Published 2026-08-07

  Need to decode Base58 strings without hitting a remote API? Run the conversion locally and see the hex bytes, UTF-8 check, and Bitcoin alphabet rules.

  

• Base100 Encode Cheat Sheet: Bytes, Emojis, and Decoding

  Published 2026-08-07

  Base100 encode cheat sheet with the U+1F3F7 byte-to-symbol formula, quick encode and decode steps, strict UTF-8 validation, and copy-paste pitfalls.

  

• ASCII Code Converter API Alternative That Runs Locally

  Published 2026-08-07

  Skip the ASCII code converter API. Run bounded 0–127 decimal conversion in your browser with strict validation, no uploads, and no rate limits.

  

• AES Encryption Online Alternative Built on AES-256-GCM

  Published 2026-08-07

  Need a local AES Encryption Online alternative? This browser tool encrypts text to an AES-256-GCM JSON package with a 128-bit tag, no upload.

  

• A1Z26 Cipher Translate: A Practical Round-Trip Guide

  Published 2026-08-07

  Use the A1Z26 cipher translator to convert English letters into 1–26 numbers and decode validated sequences. Hyphens and slashes keep word breaks clear.