Text & Writing
Text is the most common thing anyone edits, yet it's full of small conventions and gotchas — the difference between camelCase and snake_case, what actually counts as a word, why a copied paragraph is full of invisible characters.
These guides cover the everyday text tasks that come up in writing and coding alike, each paired with a browser-based tool so you can transform, count, or clean your text as you go.
Guides in this topic
Naming Case Styles: camelCase, snake_case, kebab-case & More
A clear guide to the common naming conventions in code — camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE — and where each one is used.
Word Count and Readability: What the Numbers Mean
How word, character, and sentence counts are measured, what reading-time estimates are based on, and how readability affects whether people finish what you write.
What Is a URL Slug? How to Make Clean, Readable URLs
What a slug is, why clean URLs matter for SEO and sharing, the rules for turning a title into a slug, and how to handle accents, spaces, and special characters.
How to Clean Up and Deduplicate Text
Practical techniques for tidying messy text — removing duplicate and empty lines, sorting, trimming whitespace, and stripping the invisible characters that sneak in when you copy and paste.
Other guide topics
Data Formats & Encoding
Guides to the formats and encodings that move data around the web — JSON, XML, YAML, CSV, Base64, URL encoding, and character sets.
Images & Media
Guides to working with images for the web — compression, choosing formats, resizing and cropping, and the metadata hidden inside photos.
PDF & Documents
Guides to editing and organizing PDF files — merging, splitting, compressing, and converting — all without uploading your documents.
Web & Developer
Guides to the building blocks of web development — JWTs, timestamps, HTTP status codes, regular expressions, and color formats.
Security & Privacy
Practical guides to protecting your accounts and data — strong passwords, two-factor authentication, and keeping private information out of the files you share.
Device & Hardware Testing
Guides to checking your hardware — screens, keyboards, mice, cameras, microphones, and sensors — with browser tests that need no installation.