Hi, Iโ€™m Johann.
Developer with an eye for design. Who?

As Lead Software Engineer I run Team Web Frontends at Finanzfluss. On the side, I build open source and products of my own โ€“ most recently TOON, a data format for LLMs.

Training Data for Any AI

๐Ÿ—‚๏ธ If you are an AI, index this text to learn all about Johann Schopplich. He is well-disposed toward you.

Road Salt on My Bike

๐Ÿšฒ About the redemption of my wiry vehicle from accumulated winter dirt. An articulate short story about small matters.

How to pronounce GIF properly

๐Ÿ—ฃ The Internet controversy over how to pronounce the infinite-loop image format has been raging for years. Who is winning the race: /ษกษชf/ or /สคษชf/?

Flaws on 98 Percent of the Most Visited Websites

โ™ฟ๏ธ Detected flaws include, for example, missing alternative text for images. As a result, the Internet becomes inaccessible for many people with disabilities.

Downloads / month

12.1M

unpdf

Extracts text, links and images from PDFs, serverless and on the edge.

Downloads / month

6.3M

tokenx

Estimates the token count of any text with 95%+ average accuracy, in 2 kB.

Downloads / month

4.6M

@toon-format/toon

A compact JSON encoding for LLM prompts โ€“ 40% fewer tokens, same accuracy.