About HyperGrad Tools
HyperGrad Tools is a collection of 30+ free online utilities designed for developers, writers, designers, and everyday users. Our mission is simple: provide fast, reliable tools that respect your privacy by processing everything locally in your browser.
Our Philosophy: 100% Client-Side
Most online tool sites upload your data to a server for processing. We don't. Every tool on this site runs entirely in your browser using standard web APIs. This means:
- Your data never leaves your device — not your text, not your images, not your files.
- No accounts or logins — just visit a tool page and start using it.
- Works offline — once the page loads, you can disconnect from the internet and keep using it.
- No tracking of your content — we don't know what you type or upload, because it's never sent to us.
What Tools Do We Offer?
- Generators: QR codes, passwords, UUIDs, lorem ipsum, random numbers
- Text Tools: Word counter, case converter, text reverser, markdown preview, text diff
- Developer Tools: JSON formatter, CSS/JS minifier, slug generator, timestamp converter
- Image Tools: Image compressor, resizer, format converter, WebP converter
- Converters: Base64, URL, HTML, color, CSV/JSON, units
- Calculators: Percentage, BMI, age, countdown timer
- Security: Password generator, hash generator
Part of the HyperGrad Ecosystem
HyperGrad Tools is part of a larger ecosystem that includes:
- DeepSeal — a local encrypted notes app with password manager, supporting offline activation
- HyperGrad Image — specialized image tools (SVG, WebP, EXIF)
- HyperGrad DevTools — developer-focused utilities
All products share the same core value: local processing, privacy first, your data never leaves your device.
Contact
Questions or feedback? Reach us at support@hypergrad.cn.
© 2026 Chengdu HyperGrad Technology Co., Ltd. All rights reserved.