About CompressFast

A privacy-focused online image compression tool

Our Story

CompressFast was born from a simple need: a good image compressor that respects privacy. Most tools require uploading to the cloud — slow and risky for privacy. So we built one ourselves — a browser-only tool where all processing happens locally. Your images never leave your device.

Our Philosophy

In an era of ubiquitous AI and cloud computing, we believe some things should stay local. Your photos, your privacy, your data — should never become "fuel" for any service. CompressFast is committed to pure local processing: no collection, no upload, no analysis of your image data.

Technology Stack

CompressFast is built with:

Next.js 14—React full-stack framework with SSR/SSG

Canvas API + Web Worker—High-performance browser-side image processing

Tailwind CSS—Utility-first CSS framework with dark mode & responsive design

Zustand—Lightweight state management for compression config & file list

Upstash Redis—License verification and analytics storage

Resend + QQ SMTP—Dual-channel email delivery for reliable code delivery

Creem—Secure international payment processing

Contact Us

For questions, suggestions, or collaboration:

Email:support@compressfast.site

Global: compressfast.site

China: jisuyatu.com

Legal

ICP Filing No.: Xiang ICP 2026026910

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