The FIFITOOLS Blog
Practical guides on sleep, focus, design, security and the small daily tools that make life online a bit easier.
- ·6 min readsleepsound
Why Rain Sounds Help You Sleep (And How to Use Them Right)
The science behind why steady rainfall calms the brain, plus practical tips for using rain sounds to fall asleep faster tonight.
Read article → - ·7 min readsecuritypasswords
How to Create a Strong Password in 2026 (Without Hating Your Life)
A practical guide to passwords that are actually secure and memorable, with the rules password managers and security teams use today.
Read article → - ·5 min readsoundsleep
White, Pink and Brown Noise: Which One Should You Actually Use?
A plain-English comparison of the three color noises — how they sound, what they're good for, and which one fits your situation.
Read article → - ·6 min readdevjson
A Developer's Survival Guide to JSON Errors
The five most common JSON parse errors, what causes them, and how to fix them in under a minute.
Read article → - ·5 min readdesignqr
QR Codes That Actually Scan: 8 Best Practices
Practical rules for printing QR codes on business cards, posters, packaging and screens so they scan first try, every time.
Read article → - ·6 min readimageperformance
How to Compress Images Without Losing Visible Quality
The difference between lossy and lossless, the right format for each job, and a workflow that shrinks files 80% without anyone noticing.
Read article → - ·7 min readproductivityfocus
Pomodoro Isn't the Point: How to Actually Do Deep Work
The 25-minute timer is just a tool. Here's how to use it to escape shallow work and finish things that matter.
Read article → - ·5 min readfinancetravel
Why the Exchange Rate Your Bank Gives You Isn't the Real One
Mid-market rates, retail spreads, and how to estimate what an international purchase will actually cost.
Read article → - ·6 min readdesignaccessibility
WCAG Colour Contrast Explained Without the Jargon
What AA and AAA actually mean, why they matter, and how to fix failing colour combinations in five minutes.
Read article → - ·7 min readdevregex
The Regex Cheatsheet You'll Actually Use Every Week
The 20 patterns that solve 80% of real regex problems, plus when to stop reaching for regex entirely.
Read article → - ·5 min readnetwork
What Your Internet Speed Test Numbers Actually Mean
Download vs upload, ping vs jitter, and why your 1 Gbps plan rarely delivers 1 Gbps in real life.
Read article → - ·6 min readproductivity
How to Actually Improve Your Typing Speed
The four habits that move beginners past 60 WPM and intermediates past 100 WPM, based on practice research.
Read article → - ·5 min readdesigntypography
The Best Free Font Pairings for Modern Websites in 2026
Eight font combinations that look professional, load fast, and don't require a paid licence.
Read article → - ·5 min readdevencoding
What Is Base64 (And When Should You Actually Use It)?
Base64 explained for non-developers, with the three legitimate use cases and the one place it's almost always misused.
Read article → - ·6 min readproductivitywellness
Why a Minimal Workspace Beats a Productivity App
The science behind decision fatigue, visual clutter, and why most people focus better with less on screen.
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