About Us

HyperGrad Image is a free online image processing toolbox that runs entirely in your browser. No accounts, no uploads, no tracking your files—just fast, private image tools that work.

Our Mission

We believe online tools should respect your privacy. Most "free" image tools on the web upload your files to their servers, where they can be stored, analyzed, or used for training data. We take a different approach: every image you process with HyperGrad Image stays on your device. The processing happens in your browser using WebAssembly, Canvas, and JavaScript APIs. Your files never touch a server.

What We Offer

HyperGrad Image provides 12 specialized image tools:

• SVG Tools: SVG Optimizer (compress and minify), SVG to PNG Converter, SVG Editor
• Format Conversion: WebP Converter, Image Format Converter (JPG/PNG/WebP/AVIF)
• EXIF Privacy: EXIF Viewer (inspect metadata), EXIF Remover (strip metadata before sharing)
• Image Editing: Placeholder Generator, Color Extractor, Image Stitcher
• Developer Tools: Base64 Image Converter, GIF Frame Extractor

The HyperGrad Ecosystem

HyperGrad Image is part of a larger ecosystem of 5 tool sites, all built with the same privacy-first philosophy:

• HyperGrad DevTools — JSON, Regex, Timestamp, QR Code for developers
• HyperGrad Crypto — AES, RSA, Hash, SM4 encryption tools
• HyperGrad Text — Word counter, Markdown editor, text diff/dedup
• HyperGrad AI — AI writing, translation, summarization (BYOK mode)

We also develop DeepSeal, a local encrypted notes app with built-in password manager, available for download on our main site.

Company

HyperGrad Image is developed and maintained by Chengdu HyperGrad Technology Co., Ltd., a technology company based in Chengdu, Sichuan, China. We focus on building privacy-respecting developer and productivity tools.

Contact

• Email: deepseal@hypergrad.cn
• Website: hypergrad.cn

Technology

HyperGrad Image is built with Astro (SSG), React, and TypeScript. The website is statically generated and hosted on GitHub Pages, which means even our website infrastructure is simple and transparent—no complex server backend, no databases, no data collection pipelines.