Welcome to Simple Tools! This is a growing collection of lightweight, easy-to-use web tools designed to solve common problems. Each tool is self-contained, runs entirely in your browser, and focuses on doing one thing well. No installation required, no data collected.
Available Tools
Data Viewer
View and format JSON, CSV, Markdown, and HTML data with syntax highlighting. Perfect for debugging and data inspection.
Text Utilities
String manipulation, case conversion, encoding/decoding, and text formatting tools.
Data Converters
Convert between JSON, CSV, Excel, Markdown, LaTeX, YAML, HTML, and XML formats. Plus unit converters for length, weight, temperature, and volume.
Generators
UUID generator, secure password generator, QR code creator, and more.
Calculators
Time zone converter, date calculator, percentage calculator, and other math utilities.
Developer Tools
Base64 encoder/decoder, hash generator (SHA-256, SHA-512), and regex tester.
Design Tools
Color picker, gradient generator, and box shadow generator for web designers.
SG Real Estate Calculator
Singapore property tools: BSD/ABSD, mortgage, TDSR, LTV, rental yield, PSF, and personal tax calculator.
About This Project
Simple Tools is an open-source project aimed at creating a comprehensive collection of web-based utilities that are fast, secure, and easy to use. All tools run entirely in your browser, ensuring your data stays private and secure.
We welcome contributions! If you have ideas for new tools or improvements to existing ones, please visit our GitHub repository and submit a pull request or open an issue.