Text & String Tools
Compare two texts, test regular expressions, build URL slugs, convert case and count words and characters. Fast, private, browser-based text utilities.
Diff Checker
Compare two texts and see exactly what changed.
Open tool →Regex Tester
Test a regular expression and see what each part of it does.
Open tool →URL Slug Generator
Turn any title into a clean, readable URL slug.
Open tool →Case Converter
Convert text between sentence, title, camel, snake and kebab case.
Open tool →Word Counter
Count words, characters, sentences and reading time as you type.
Open tool →About Text & String Tools
Text work is repetitive and unglamorous: spotting what changed between two drafts, checking whether a pattern actually matches, turning a headline into a URL. Each of these does one job and does it immediately, without a sign-up wall between you and the result.
Every tool in this category
- Diff Checker — Compare two texts and see exactly what changed.
- Regex Tester — Test a regular expression and see what each part of it does.
- URL Slug Generator — Turn any title into a clean, readable URL slug.
- Case Converter — Convert text between sentence, title, camel, snake and kebab case.
- Word Counter — Count words, characters, sentences and reading time as you type.
Other tool categories
- Data Format Converters — Convert between JSON, YAML, CSV, XML and TypeScript in your browser. Every converter validates as you type and nothing is uploaded to a server.
- AI & LLM Tools — Count tokens, estimate API costs, check context window limits and generate llms.txt. Practical utilities for anyone building on GPT, Claude or Gemini.
- SEO & Web Tools — Generate robots.txt, meta tags, schema markup and UTM links, preview your SERP snippet and validate an XML sitemap. Technical SEO essentials, free.
- Encoding & Developer Tools — Base64, URL encoding, JWT decoding, hash generation and UUIDs. The small developer utilities you reach for several times a week, all client-side.
- Image & Asset Tools — Convert images to Base64 data URIs, inline SVGs, read EXIF metadata, generate favicons and extract colour palettes — all in the browser.