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Free Online Tools for Developers & Productivity

ToolZone is a curated collection of 20 free online tools for developers, designers, writers, and everyday productivity. Every tool runs entirely in your browser — no signup, no uploads, no tracking. Your data never leaves your device.

Format and validate JSON, generate strong passwords, encode and decode Base64 or URLs, test regular expressions, convert colors, build CSS gradients, calculate BMI or age, generate Lorem Ipsum, hash text with MD5 or SHA-256, and more — all from a single fast, private, dark-themed workspace.

Whether you're a developer needing quick utilities, a designer working with colors and gradients, or a writer counting words and characters, ToolZone gives you instant, ad-free access to professional-grade web tools that work offline once loaded.

Free Case Converter — Change Text Case Instantly

Switch any text between eight common cases — UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case and kebab-case — in a single click. Ideal for developers naming variables, writers formatting headlines and anyone cleaning up messy copy.

Features

How to use

  1. Step 1. Paste your text in the input box.
  2. Step 2. Click the case style you want.
  3. Step 3. Click Copy to grab the converted text.

Frequently Asked Questions

What is camelCase vs PascalCase?

camelCase starts with a lowercase letter (myVariableName); PascalCase capitalises every word including the first (MyVariableName).

Does it handle accented characters?

Yes — case conversion uses native JavaScript Unicode rules, so é becomes É correctly.

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