webtools
HTML/CSS/JS Coding
SRI Hash Calculator
HTML Safe
CSS Media Queries Tester
Net tools
DNS Query (DoH)
IPv4 Subnet Table
IPv6 Subnet Table
FD00::/48 Local Unicast Address Generator
SNMPv3 Config Generator
URL Parser
Char/String
ASCII Table
Password Generator
.dockerconfigjson
auths info generator
Also: Basic Authorization header generator
String Counter
Multi-line text to Single-line text
Tab/Tab space converter
List compare/coverage
String replace
Data types
JSON Pretty/Compress
Unix Time Converter
Hardware
PPI/DPI and Pixel Converter
Also: cm/mm to inch converter
Monitor size calculator
Monitor Test Patterns
Fullscreen Color
16 step Gradient
Thin horizontal lines
Thin vertical lines
Screen Border (Not accurate)
Square test
Square test (Size adjustable)
Grid
Checkerboard (GCD)
FPS Visual Test
Media
Video FPS Check
Image Preview/Converter
Image Compare
Audio Player / Tone Generator
Multichannel Audio Tester
Date/Time
Elapsed Year/Month/Day Calculator
Clock with beep sounds