Journal
The IO Tools Journal
Guides, deep dives and field notes on the tools, formats and protocols developers use every day.
SportsFeatured
Beyond batting average: unlocking advanced baseball stats
Batting average treats a bases-loaded double and a leadoff single as identical and ignores walks entirely. Here's what OBP, wOBA, OPS+, FIP and WAR actually measure instead.
Aug 10, 20266 min
Gardening
DIY landscaping: accurate area calculations for your garden
Aug 10, 2026 · 5 min
Encoding
The hidden language of computers: how text-to-ASCII/binary conversion powers every digital interaction
Aug 10, 2026 · 5 min
DNS
DNSChecker.org Alternative: DNS + IP Lookup vs. a Propagation Checker
Aug 3, 2026 · 6 min
JSON
JSONFormatter.org Alternative: A JSON Toolkit vs. One Generic Formatter
Aug 3, 2026 · 5 min
Unit Conversion
UnitConverters.net Alternative: Purpose-Built Converters vs. One Sprawling Hub
Aug 3, 2026 · 8 min
Writing Tools
WordCounter.net Alternative: A Word Counter vs. a Writing Workbench
Aug 3, 2026 · 7 min
Games
5 fun games you can play with a yes/no randomizer
Aug 2, 2026 · 12 min
Career
6 developer skills worth building in 2026 ("learn AI" is not one of them)
Aug 2, 2026 · 12 min
SEO
Automated OG image generation: dynamic social cards, with or without a screenshot API
Aug 2, 2026 · 8 min
Security
Content Security Policy: writing a CSP header that actually works
Aug 2, 2026 · 10 min
css
Debugging CSS gradients: muddy midpoints, banding, and rotated angles
Aug 2, 2026 · 8 min
Security
OTP codes and 2FA: how TOTP actually works, and where it stops protecting you
Aug 2, 2026 · 8 min
