Guides & how-tos on AI, free tools and finance.
Compound Interest Explained: How Your Money Really Grows
The formula, why starting early wins, the Rule of 72 & a worked example.
Best Image Sizes for Midjourney, Stable Diffusion & SDXL
Native resolutions, aspect ratios & why multiples of 64 matter.
How to Make a QR Code for Free (Links, Wi-Fi & More)
Create one in seconds, whether they expire, and printing tips.
Word Count Guide: How Long Should It Be?
Targets for essays, posts, meta descriptions & reading time.
How to Create a Strong Password in 2026 (and Mistakes to Avoid)
Why length beats complexity, the entropy math, common mistakes & passphrases.
The Pomodoro Technique: A Simple Guide to Beating Procrastination
What it is, why it works, and how to use it step by step.
How to Compress Images Without Losing Quality (2026 Guide)
Lossy vs lossless, JPG/PNG/WebP, and how to shrink files privately.
How Much VRAM Do You Need to Run a Local LLM? (2026 Guide)
Practical VRAM numbers for 7B–405B models in GGUF, AWQ & FP16.
How Many Tokens Is My Text? (And How to Estimate API Cost)
Estimate tokens and GPT/Claude/Gemini API cost.