Encoding & Crypto — Guides & Articles

• XOR Encryption Online: Apply a Repeating Key to UTF-8

  Published 2026-09-09

  XOR encryption online applies a repeating-key XOR transform to UTF-8 text and returns reversible hex or Base64 ciphertext, all in your browser.

  

• A Vigenere Cipher Decoder Alternative That Stays in the Browser

  Published 2026-09-09

  Looking for a Vigenere cipher decoder alternative? Run the classic repeating-key transform locally in your browser tab. No upload, no account, no key cracking.

  

• UTF-8 Encoder / Decoder Alternative: Strict, Local, Fatal

  Published 2026-09-09

  Tired of silent replacement characters? This UTF-8 encoder / decoder alternative runs locally, fails on malformed input, and supports hex, decimal, and binary.

  

• How to Decode URL Parameters in JavaScript

  Published 2026-09-08

  Decode percent-encoded URL parameters directly in your browser using a Unicode-safe URL Decoder, no JavaScript snippet required, with clear errors on…

  

• Char Code Lookup Explained: What Code Points Reveal

  Published 2026-09-08

  Char code lookup shows the exact Unicode scalar values in any string. Learn what code points reveal, how they differ from bytes, and how to inspect text…

  

• Convert Text to Hex Code: Pick a UTF-8 Output Format

  Published 2026-09-08

  Convert text to hex code in continuous, spaced, or 0x-prefixed UTF-8 formats. Choose letter case, see byte counts, and copy the result without uploading.

  

• Text Steganography Explained: Zero-Width Unicode Basics

  Published 2026-09-08

  Text steganography explained: how zero-width Unicode characters carry a hidden UTF-8 message inside ordinary cover text, with a local hide and reveal…

  

• Devglan SHA-512 Hash Generator: Full 512-Bit Digest Locally

  Published 2026-09-08

  Generate full 512-bit SHA-512 digests in your browser like the Devglan tool: 128-character Hex, padded Base64, exact UTF-8 or file bytes, no upload.

  

• How to Generate a SHA256 Hash Using OpenSSL or Your Browser

  Published 2026-09-07

  Step-by-step on running openssl dgst -sha256 for files and strings, plus a browser-based generator that returns the same 64-character hex digest locally.

  

• Generate a SHA-1 Hash for a File Without Uploading It

  Published 2026-09-07

  Generate a SHA-1 hash for a file locally in your browser, copy it as Hex or Base64, and compare every character against a published checksum without uploading.