buncha.tools
buncha/generators/pwcheck

Password Strength Checker

Your password is never sent anywhere. All checking happens in your browser.

Pairs well with

QR Code Generator
Generate fancy QR codes — colors, shapes, logo, ve…
Password Generator
Generate strong, secure passwords using the browse…
UUID Generator
Generate cryptographically-strong UUIDs (v4 random…
Slug Generator
Convert any title or phrase into a URL-friendly sl…

About Password Strength Checker

Test how strong your password is with detailed analysis.

Like every tool on Buncha, this one runs entirely in your browser. There's no upload, no log, no record of what you've pasted or generated. Close the tab and the data is gone.

↳ Have feedback or found a bug? hello@buncha.tools
b
Built browser-first. Run by one developer.
Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.
240
Free tools
Across 14 categories
7
Visual editors
PDF · image · video · audio
32
Curated kits
By profession + lifestyle
17
AI tools
Powered by Claude API
Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser
The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.