Templates, guides and spreadsheets.
Small tools I use daily. Download and use as you like.
Finance
Compound Interest Simulator
Calculate how your money grows with periodic contributions and the effect of compound interest over time.
Use simulatorExpense to Life-Hours Converter
Translate any recurring expense into hours of your working life. Discover how much real time you spend on each subscription.
Use converter50/30/20 Budget Planner
Enter your net salary and adjust percentages for needs, wants and savings. Visualise your budget distribution instantly.
Use plannerProductivity
Task Friction Matrix
Answer three questions about any task and get a clear verdict: do it, delegate it, schedule it or delete it.
Use matrixArtificial Intelligence
Automation ROI Calculator
Is it worth automating that task? Calculate the time lost, setup cost and when you'll break even.
Calculate ROIStructured Prompt Generator
Select goal, context, tone and format. Generate an optimised prompt ready to copy and use with any AI.
Generate promptKnowledge Management
Quick Note Capture
Generate Markdown with YAML frontmatter ready to paste into Obsidian, Logseq or any note-taking system.
Use capture toolWeighted Decision Matrix
Add options and weighted criteria. Calculate weighted scores and get a clear ranking to decide without emotional noise.
Use matrixRelationships & Communication
Difficult Conversations Guide
Prepare tough conversations with a Nonviolent Communication structure. Contexts: partner, work, family.
Use guideCommunication Style Test
Answer 10 situations and discover your dominant profile: assertive, passive, aggressive or passive-aggressive. With tips to improve.
Take the test