Encoding & Crypto — Guides & Articles

• Text to Hex: Command Line vs Online Compared

  Published 2026-09-13

  Comparing text to hex command line tools like xxd and od against browser encoders, with a step-by-step UTF-8 conversion guide and format reference.

  

• Text to Binary in Python: Byte-Exact UTF-8 in Practice

  Published 2026-09-13

  Python text-to-binary snippets often drop leading zeros or treat code points as bytes. Encode UTF-8 first, then format each byte as eight bits.

  

• Text Steganography for Beginners: A First Walkthrough

  Published 2026-09-13

  Text steganography for beginners: hide a short UTF-8 message inside a normal-looking cover sentence using zero-width Unicode characters, in your browser.

  

• Generate a SHA-512 Hash the Right Way: Full 512 Bits

  Published 2026-09-13

  Generate a SHA-512 hash from text or files in your browser. Copy the full 128-character Hex or padded Base64 and match it to a trusted reference.

  

• Password Strength Algorithm: Rules Behind the Score

  Published 2026-09-13

  How password strength algorithms work: Unicode code-point length, character-group reporting, pattern flags, and five-level scoring explained transparently.

  

• Generate a SHA256 Hash from a String in C# and Verify

  Published 2026-09-13

  Generate a SHA-256 hash from any string in C# using System.Security.Cryptography, then verify the 64-character hex digest with a browser tool.

  

• Generate a SHA-1 Hash on Linux for Checksum Matching

  Published 2026-09-13

  Need to generate a SHA-1 hash on Linux? Compare legacy checksums in your browser without installing tools, and know exactly when SHA-1 is the right pick.

  

• Generate an RSA-OAEP Key Pair in Your Browser

  Published 2026-09-13

  Generate an RSA-OAEP key pair in your browser. Walkthrough using RSA Key Generator with SPKI public output and PKCS#8 private output.

  

• Fix a Result That Looks Wrong After Using ROT47

  Published 2026-09-13

  A wrong ROT47 result is usually recovered by re-applying the encoder once. Identify which punctuation the intermediary escaped, then strip those edits to…

  

• How to Use a ROT13 Decoder Command in Terminal

  Published 2026-09-13

  Discover how to run a ROT13 decoder command in Bash, Python, or your browser. Decode text locally and securely without uploading your private data.