🛠️ 效率工具
二维码 / 随机 / 番茄钟 / 密码 / 计时 All 9 tools run 100% locally in your browser — files are never uploaded, free to use.
QR Code Generator
Enter text/URL, generate a QR code locally and download PNG.
Random Decision
Draw randomly from options, or flip a coin for two choices.
Webpage Screenshot
Capture a webpage screenshot (limited by CORS; planned).
即将上线
Password Generator
Generate strong passwords locally with crypto randomness, configurable.
Countdown / Stopwatch
Local countdown & stopwatch with custom duration and controls.
Random Number Generator
Generate range/count controlled random integers locally, dedupe & sort.
QR Code Decoder
Recognize a QR image locally and extract URL/text.
Pomodoro Timer
Local pomodoro cycles, custom focus/break duration.
Password Strength Checker
Evaluate password strength and checks locally, estimate entropy.
About 效率工具
效率工具 tools run entirely in your browser locally — no upload needed, faster and more private. We keep adding more 效率工具 tools.
FAQ
Do these tools need to upload files?
No. All processing is done locally in your browser; files never leave your device.
Does it work on mobile?
Yes. The site is responsive and works on phones, tablets, and desktop browsers.