Yoann Begue
Creator & developer of Outilo — practical tools for everyday use
Yoann’s guides (11)
Analyze a Web Page with ChatGPT Using Markdown
Learn how to analyze a web page with ChatGPT or Claude by converting HTML source code into clean Markdown, then using reusable prompts.
How to calculate real expenses for French taxes: complete method
A simple method to calculate French real expenses: working days, commute mileage, the 40 km rule, meals, supporting documents and comparison with the automatic 10% deduction.
How to Format and Optimize a LinkedIn Post for More Engagement
Learn how to format a LinkedIn post so people actually read it, place a strong hook before “see more”, and avoid mistakes that reduce engagement.
Does Lack of Sleep Make You Gain Weight? The Science Explained
Discover the proven link between sleep deprivation and weight gain. Learn how poor sleep disrupts your hormones, increases appetite, and how tracking your sleep can help you take back control.
Convert HEIC to JPG: Why It Fails and How to Fix It Fast
Received a HEIC file you can’t open? Learn why this format causes issues and how to convert it to JPG in seconds, without installing anything.
DPI vs PPI: A Practical Guide for Print-Ready Images
Learn how to convert between DPI, pixels, and centimeters to prepare print-ready images. A practical guide with real examples for e-commerce and design.
How to Track Your Sleep Easily (and Actually Improve It)
Discover why tracking your sleep daily changes everything, how to do it in seconds, and how to spot sleep debt before it impacts your energy and health.
Calculate Your Net Salary: What You Actually Take Home
Got a job offer with an attractive gross salary? Learn how to calculate your real take-home pay, understand deductions, and know exactly what you’ll get each month.
Create a Tournament Bracket in 2 Minutes (Single & Double Elimination)
Learn how to generate a tournament bracket in seconds, choose between single or double elimination, and run smooth gaming events without headaches.
Handling group expenses without conflict: the BBQ story
Discover how to manage group expenses without creating tension. Through the story of a BBQ with friends, learn how to calculate who owes what and make repayments simple.
How to Run a “Winner Stays On” Game Session Without the Chaos
Learn how to organize smooth and competitive gaming sessions with the “winner stays on” rule: player rotation, queue management, and real-time tracking.