A collection of clean, fast, and privacy-focused web utilities for everyday tasks.
Plan your future wealth with compound interest and growth projections.
Calculate monthly payments and see your complete amortization schedule.
Instantly create and download private, custom QR codes for URLs and text.
Validate, prettify, and minify JSON data instantly in your browser.
Securely encrypt and decrypt text using AES-256 directly in your browser.
Generate strong, secure, and random passwords instantly in your browser.
Reliably convert between Unix epochs and human-readable dates.
Generate placeholder text for your design and development projects.
Securely generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
Convert length, weight, temperature, volume, and area between common units instantly.
Quickly convert between Base64 and URL-encoded formats.
Simple Tool Suite is dedicated to providing high-quality, lightweight web utilities designed with both user experience and privacy in mind. In an era where many online tools are cluttered with intrusive ads, tracking scripts, and complex interfaces, we strive to keep things simple, fast, and secure.
Most of our tools perform calculations and data processing entirely within your browser. This means your sensitive data—like passwords, JSON, or text for encryption—never leaves your device.
Each tool is built to do one thing exceptionally well. We avoid unnecessary features and \"bloat\" to ensure that the tools load instantly and work reliably whenever you need them.
From JSON formatting to Unix timestamp conversion, our utilities are designed to streamline the technical tasks that developers and engineers face every day.
Our tools are free to use. We maintain the site through minimal, non-intrusive advertising to ensure we can keep providing these utilities to the community.
Is it safe to use the password and encryption tools?
Yes. Our security-focused tools use industry-standard client-side libraries. The logic runs locally in your
browser's memory, ensuring that your keys and passwords remain private.
Do you store any of my data?
We do not store the data you input into our utility tools. We only collect anonymous usage statistics to
help us improve the site and monitor for server health.
Are these tools mobile-friendly?
Absolutely. Every tool in the suite is designed with a responsive layout, making them fully functional on
smartphones, tablets, and desktop computers.