Hi, bonjour, I’m Mathieu Legault
Product designer shaping developer & agentic experiences.
Currently at Fern. Previously, I worked on Dev Docs at Shopify, Design Systems at Narvar, and 3D printing experiences at Formlabs.
Featured work
All projects
Shopify.devproductPRJ 01
Metadata FixerproductPRJ 02
NarvarproductPRJ 03
LumaeappPRJ 04
CoderlifeproductPRJ 05
FormlabswebPRJ 06
PromptCutappPRJ 07
SiteDownloadproductPRJ 08
From the blog
All posts- 01Lumae: The AI Agent Video Editor for Screen Recordings and ScreenshotsA ninety-second product demo used to mean four apps and a re-encode at every handoff, plus a fifth app for the screenshots nobody counts. So I built Lumae to do the whole job in one place, and because I spend my day with an agent open beside me, I built it so an agent can do the editing too. Here's what each of those actually took, and the one decision that made the second one almost free.
- 02Introducing PromptCut: Edit Videos at the Speed of ThoughtEditing video clips can be surprisingly painful. Even for the simplest tasks, trimming a clip, converting it to a different format, extracting audio, or merging a couple of shots, there’s usually a long chain of steps across different tools. Clicking through timelines, wrestling with export settings, opening yet another app… it all adds friction to the creative process.
- 03How to Export Your Webflow Site and Rebuild It with AI + Deploy to VercelIf you want to move away from Webflow, this guide will walk you through a step-by-step process to migrate your project using an AI assistant to rebuild the frontend and backend, and deploy everything to Vercel with a proper database.
