Christian Heilmann

Two tools to create QR codes for free and without any ad breaks

June 19th, 2025

I often have to create QR codes and whilst the built-in generator in browsers is good enough, I sometimes want to customise the look with a logo in the centre. There are quite a few QR generators out there, but they come with lots of advertising, interstitials and other annoyances. So here are two generators […]

TIL: Smart glasses aren’t just for pricks, they are an accessibility aid

June 18th, 2025

I wasn’t a fan of smart glasses. Mostly because of the way they were advertised as a tool for influencers, people who constantly want to stream or those who need to always have the newest and coolest in terms of gadgets. I also see them as a privacy and security worry – there were quite […]

Excellent tools: EditGPT – an AI powered review and edit suite for writers

May 26th, 2025

There is no doubt that AI can help a lot when writing documents. There is also no doubt that it can be detrimental to both quality and the writing process if the AI-powered tool doesn’t have a user experience tailored to the task at hand. Generated Text and Its Downsides We live in a world […]

About showing the “open to work” badge

May 20th, 2025

I just came across a post on X that stated “nothing makes me want to hire someone less than this”, with a picture of the “open to work” badge LinkedIn offers job seekers. This being X, I thought I answer using appropriate voice: This, albeit succinct, is not very enlightening, so let me elaborate… Like […]

Newsletter

Check out the Dev Digest Newsletter I write every week for WeAreDevelopers.

Don't stop thinking, AI Slop vs. OSS Security, rolling your own S3 Despite AI you still need to think, Bitter lessons from building AI products,  AI Slop vs. OSS security and pointer pointer…
200: Building for the web, what's left after rm -rf & 🌊🐴 vs AI What remains after you do a rm -rf? Why do LLMs know about a seahorse emoji? What image formats should you use? How private is your car?
Word is Doomed, Flawed LLM benchmarks, hard sorting and CSS mistakes Spot LLM benchmark flaws, learn why sorting is hard, how to run Doom in Word and how to say "no" like a manager.
30 years of JS, Browser AI, how attackers use GenAI, whistling code Learn how to use AI in your browser and not on the cloud, why AI makes different mistakes than humans and go and whistle up some code!
197: Dunning-Kruger steroids, state of cloud security, puppies>beer

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