Alexander Hagenah

Alexander Hagenah

I build tools that solve my own problems
#932545511 followers5 following
☀️ 2 day streak
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About

I'm Alex. I work in cybersecurity, and I build things in the evenings. The day job is offensive security, so I spend most of my time with the way things actually break rather than the way they are advertised. That shows up in what I build. My tools run locally where they can, need no account where they can, and tell you plainly what they cannot do. That last part matters to me more than a tidy feature list. Based in Switzerland, usually building after the kids are asleep. I answer every comment.

Badges

Tastemaker
Tastemaker
Gone streaking
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Gone streaking 5
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Maker History

  • Bezel
    BezelSee your site on the real device inside your browser
    Jul 2026
  • Chanimate
    ChanimateWhere Children's Imagination Comes to Life
    Jan 2026
    • 🎉
    Joined Product HuntJanuary 4th, 2026

Forums

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1mo ago

Bezel - See your site on the real device inside your browser

Bezel frames your page in a real iPhone, Pixel, Galaxy or iPad — and the JavaScript inside sees a real phone: true viewport and pixel density, real client hints, touch-device signals. It runs 100% locally in your browser: localhost, staging and logged-in pages just work, and nothing is ever uploaded. 93 devices with verified specs, kept current. Plus screenshots, recording, side-by-side compare, environment spoofing — and markup for quick visual feedback. Free on Chrome, Edge & Firefox.
Chanimatep/chanimate•

8mo ago

I built Chanimate after almost throwing my kids’ drawings away

A few weeks ago, around 9 PM, I was doing the usual parent cleanup, throwing away piles of my kids drawings.

Standing over the recycling bin, it hit me:

Photos aren t enough. Scans aren t enough. These drawings deserved more.

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8mo ago

Chanimate - Where Children's Imagination Comes to Life

Chanimate turns your child’s drawings into magical artwork, animations, and personalized storybooks. Kids draw on paper. Parents take a photo. Chanimate brings those drawings to life using AI while preserving every quirky detail that makes them special. What makes Chanimate different: • Multiple AI art styles (Pixar-style 3D, Cartoon, Anime, Claymation) • Short, kid-friendly animations • Personalized 10-page storybooks with narration in 45+ languages • Designed for parents and young children
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