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15 guidesCanonical Tags Explained: Fixing Duplicate Content
What rel=canonical does, when to use it, and the mistakes that quietly deindex pages — a practical guide to canonical tags for anyone managing a website.
23 Jun 2026
5 min read
How a Diff Checker Works: LCS, Hunks, and Diff Levels
A developer's guide to text and code diffing — the Longest Common Subsequence algorithm, line versus word versus character granularity, ignore-whitespace and ignore-case normalisation, and how to read a side-by-side diff.
23 Jun 2026
5 min read
Understanding .env Files: Syntax, Pitfalls & Best Practices
What .env files are, the exact syntax rules they follow, the silent bugs that bite teams (duplicate keys, empty values, bad quoting), and how to validate a file before it breaks a deploy.
23 Jun 2026
5 min read
CSS Gradients Explained: Linear, Radial and Conic
A practical guide to CSS gradients — how linear, radial, and conic gradients work, how colour stops and angles behave, and how to ship them with a fallback.
23 Jun 2026
5 min read
How .gitignore Works: Patterns, Precedence & Best Practices
A practical guide to .gitignore — how pattern matching works, common gotchas like already-tracked files, where to place files, and which templates to combine.
23 Jun 2026
5 min read
How to Write a Standout GitHub Profile README
A guide to the GitHub profile README — what the special username repo is, which sections to include, how stat cards work, and how to make recruiters notice you.
23 Jun 2026
5 min read
How to Use Color Picker — Complete Guide
Learn how to eyedrop colors from any image and get hex, RGB, and HSL values instantly using Tools.Town's free Color Picker.
8 May 2026
5 min read
How to Use Cron Expression Parser — Complete Guide
Learn how to read, write, and validate cron expressions using Tools.Town's free Cron Expression Parser — see the next run times in plain English.
8 May 2026
5 min read
How to Use CSS Minifier — Complete Guide
Learn how to compress CSS files by removing whitespace, comments, and redundant code using Tools.Town's free CSS Minifier.
8 May 2026
5 min read
How to Use CSS Beautifier — Complete Guide
Learn how to format and indent minified or messy CSS instantly using Tools.Town's free CSS Beautifier.
8 May 2026
5 min read
How to Use JSON Validator — Complete Guide
Learn how to validate JSON syntax, find errors instantly, and understand common JSON mistakes using Tools.Town's free JSON Validator.
8 May 2026
5 min read
How to Use JWT Decoder — Complete Guide
Learn how to decode and inspect JWT tokens to read headers, payloads, and expiry claims using Tools.Town's free JWT Decoder.
8 May 2026
5 min read
How to Use Regex Tester — Complete Guide
Learn how to write, test, and debug regular expressions in real time using Tools.Town's free Regex Tester — with match highlighting and group capture.
8 May 2026
5 min read
How to Use UUID Generator — Complete Guide
Learn how to generate UUID v4 identifiers in bulk for databases, APIs, and testing using Tools.Town's free UUID Generator.
8 May 2026
5 min read
How to Use JSON Formatter — Complete Guide
Learn how to beautify, validate, and minify JSON instantly using the free JSON Formatter on Tools.Town — no sign-up needed, runs entirely in your browser.
7 May 2026
5 min read
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