3 min read·
URL encoding explained: why %20 appears in links
Learn when URLs need encoding, what percent-encoding does, and how to avoid broken query strings and shared links.
URL encoding Web development API
Read article The Code Formatter Pro Journal
Short primers on every format we support
Each article is a 3–4 minute read that explains what a format is, where it is used and how to work with it inside Code Formatter Pro.
3 min read·
UUIDs explained: generating unique IDs without a database
A practical guide to UUIDs, when version 4 is a good fit, and where randomly generated identifiers belong in an application.
UUID Development Data
Read article 4 min read·
SHA-256 hashing basics: fingerprints, not passwords
Understand what a SHA-256 hash proves, why small input changes matter, and why password storage needs a dedicated password hash.
SHA-256 Security Hashing
Read article 4 min read·
What is JSON? A quick primer for developers
JSON (JavaScript Object Notation) is the lingua franca of the modern web. Learn its rules, common pitfalls and when to use it.
JSON Data formats API
Read article 4 min read·
XML explained: still relevant, still everywhere
XML is older than JSON but still runs enterprise systems, config files and document formats. Here is what you need to know.
XML Data formats
Read article 3 min read·
YAML: the config format DevOps fell in love with
YAML is a human-friendly superset of JSON that dominates CI/CD, Kubernetes and cloud configuration. Learn its rules and traps.
YAML DevOps Config
Read article 3 min read·
CSV done right: quoting, delimiters and Excel quirks
CSV looks trivial until a value contains a comma or a newline. Here is how the format really works.
CSV Data formats
Read article 3 min read·
Base64 in 3 minutes: what it is (and is not)
Base64 is everywhere — in JWT tokens, data URLs and email attachments. It is NOT encryption. Here is the truth.
Base64 Encoding
Read article 4 min read·
JWT anatomy: what lives inside a token
JWTs are short strings with three dots. Learn what each segment holds and why signing matters.
JWT Security Auth
Read article 3 min read·
Why you should format your SQL (and how)
Nicely formatted SQL is easier to review, easier to debug and easier to optimise. Here is the playbook.
SQL Formatting
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HTML, CSS and JavaScript beautification: a quick tour
Format the three front-end languages consistently so code review focuses on logic, not indentation.
HTML CSS JavaScript
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