Free Online Tools
A growing library of fast, secure, client-side tools for developers, creators, students, and everyday productivity. Nothing is uploaded - all processing happens in your browser.
Available Tools
JSON Viewer & Formatter
View, format, and prettify JSON instantly online.
JWT Decoder
Decode and inspect JWT tokens securely in your browser.
UUID Generator
Generate random UUIDs instantly-fast and client-side.
Base64 Encoder / Decoder
Encode or decode Base64 text and files online.
URL Encoder & Decoder
Encode or decode URLs safely and instantly.
CSV ↔ JSON Converter
Convert CSV to JSON or JSON to CSV effortlessly.
Meta Tags Length Checker
Check SEO meta title and description lengths.
HTML Formatter
Format, clean, and beautify HTML code online.
Text Compare / Diff Checker
Compare two texts and highlight differences.
Text Case Converter
Convert text to upper, lower, title, or sentence case.
QR Code Generator
Create custom QR codes instantly with colors and logos.
Image Compressor
Compress images online without losing quality.
HTML to Markdown Converter
HTML to Markdown Converter.
Free Online Tools for Developers, Creators & Students
Welcome to TheStoryCircuit Tools — a growing collection of powerful, free, and fast online utilities made for developers, designers, writers, and productivity-focused users. All tools run 100% client-side, meaning your data never leaves your browser, ensuring maximum privacy and security.
Use our tools for:
- Formatting & validating code
- Converting between JSON, CSV, Base64, text & more
- Generating UUIDs, QR codes, metadata & quick utilities
- SEO checking, parsing, encoding, and URL tools
- Productivity & everyday utility tasks
Whether you're debugging an API response, optimizing a website, generating content, or working with data, this toolbox helps you get the job done efficiently.
Why Use These Tools?
- 100% Client-Side: No signup, no data upload, complete privacy.
- Blazing Fast: Everything runs locally using Web APIs.
- Mobile Friendly: Responsive UI for all devices.
- Developer Focused: JSON, HTML, SEO & debugging utilities.
- Ever Growing: New tools added every week.