All Tools
35 free browser-based tools — no account, no limits.
Featured
JSON Formatter
Format, validate, and beautify JSON with syntax highlighting.
Regex Tester
Test and debug regular expressions with real-time match highlighting.
Code Beautifier
Beautify minified code in JS, TypeScript, HTML, CSS, JSON, and XML.
Encoder / Decoder
Encode and decode Base64, URL, HTML, Unicode, and more.
Word Counter
Count words, characters, sentences, and paragraphs with reading time.
AI Prompt Optimizer
Optimize and enhance AI prompts for better results from ChatGPT, Claude, and others.
QR Code Generator
Create QR codes for URLs, text, Wi-Fi, vCards, and more.
CSS Gradient Generator
Create stunning CSS linear, radial, and conic gradients with live preview.
SEO Audit Tool
Audit a webpage's SEO factors and get actionable recommendations.
Invoice Generator
Create professional invoices offline and download as PDF.
Developer Tools
Format, validate, decode, and transform code and data formats.
JSON Formatter
Regex Tester
JWT Decoder
JSON to CSV Converter
HTML/CSS/JS Minifier
SQL Formatter
Code Beautifier
Cron Expression Builder
Also from Toolscase: AI time tracking for software teams · Team chat app for work
Security & Encryption
Encrypt, hash, and secure your sensitive data.
Also from Toolscase: Password-protect a PDF
Text & Content
Analyze, transform, and generate text content.
Also from Toolscase: Free online PDF tools
Generators & Converters
Generate QR codes, barcodes, gradients and convert between formats.
Also from Toolscase: Free online image tools
SEO & Web
Optimize your web presence and validate web assets.
Also from Toolscase: Website to static HTML converter
Business & Productivity
Generate invoices, validate data, and boost productivity.
Invoice Generator
Business Card Generator
Portfolio Builder
Fake Data Generator
Email Validator
Phone Validator
Unit Converter
Timestamp Converter
Also from Toolscase: Free CV builder & resume maker · Free PDF invoice generator
About Toolscase Tools
Toolscase provides 35+ free, browser-based tools for professionals, designers, marketers, and creators. Every tool runs in your browser — no data ever leaves your device. From JSON formatters and regex testers to QR generators, PDF tools, and more.