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29a.ch (Jonas Wagner)

Personal website of Jonas Wagner featuring small apps, experiments and articles.

Visit 29a.ch (Jonas Wagner)

29a.ch is the personal site of Jonas Wagner, a software engineer and manager based in Zurich, Switzerland, who works as Head of Technology at tutti.ch. It brings together his small apps, browser experiments and articles, along with his open source work, in one place.

The site includes tools such as TimeStretch Player, which changes audio speed and pitch independently; Forensically, a set of tools for analyzing photos; Analog Film Emulator; Action Camera Lap Analyser, which works with GoPro footage and NMEA GPS tracks; Noise Generator; Neonflames; Fix Tuning; Impulse Response Creator; Black & White photo conversion using PCA; Ditherlicious; and Chromatic Tuner. Articles cover topics such as C2PA content credentials and photo forensics, impulse responses and convolution reverb, and pitch shifting for musicians.

The site is aimed at people interested in small software tools, browser experiments and technical writing. The pages do not describe a free plan, trial, editions, or seat-based or usage-based packaging.

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