HTML Entities vs. Extracting Plain Text
Choose between escaping literal characters, decoding references, and removing markup for readable text.
Encoding & Extraction
Encoding and extraction tools represent text for a particular format or pull patterns from it. None of these encodings is encryption, and extracted matches still need review.
Encode a URL Component Without Breaking the URL
Use percent encoding for a query value, understand reserved characters, and handle decode errors.
Base64 Is an Encoding, Not Encryption
Understand the UTF-8-to-Base64 process, round trips, decoding errors, and why it provides no secrecy.
Caesar Shifts and ROT13 for Text Puzzles
Apply a fixed shift to Latin letters, reverse it, and understand why the cipher is not secure.
Morse Code for Short Text Messages
Encode and decode supported letters, digits, and selected punctuation as written Morse sequences.
Create Readable URL Slugs From Titles
Convert a heading into a lowercase ASCII slug and plan for collisions and published redirects.
Text to Binary and Hex: Inspect UTF-8 Bytes
Compare binary and hexadecimal views of the same UTF-8 bytes and decode only complete valid sequences.
Extract Email and URL Candidates From Text
Find address-like and HTTP(S) strings, remove exact duplicates, and review matching limits.
What This Basic Braille Translator Can and Cannot Do
Learn how the basic letter-to-cell mapping differs from complete Braille transcription.