Web Utilities

Last updated: 2023-10-04

Networking Tools

• CIDR to IP range, etc: https://www.ipconvertertools.com

JSON Viewers

• https://jsonformatter.org/json-viewer
• https://codebeautify.org/jsonviewer
• http://jsonviewer.stack.hu

YAML to JSON

• https://onlineyamltools.com/convert-yaml-to-json
• https://jsonformatter.org/yaml-to-json

List Diff

• http://www.listdiff.com

URL Encode

• https://www.urlencoder.org

UUID Generator

• https://www.uuidgenerator.net/version1

Calculators

• Elevation grade calculator: https://www.omnicalculator.com/construction/elevation-grade
• Average some numbers: https://www.calculator.net/average-calculator.html

Colors

• Name from hex color: https://www.color-name.com

Networking

• https://ifconfig.co ("hacker-friendly")
• https://whatismyip.com
• https://ipleak.net
• https://wtfismyip.com/text
• host own: https://github.com/mpolden/echoip

Cryptographic

• JS automatic ceasar cipher breaker: https://www.nayuki.io/page/automatic-caesar-cipher-breaker-javascript
• lots of online ceasar tools: https://www.dcode.fr/tools-list#cryptanalysis

See Also

• 2's complement: https://www.allmath.com/twos-complement.php
• https://jwt.io
• json to pydantic: https://jsontopydantic.com
• n choose p combinations: https://www.dcode.fr/combinations
• pi search page: https://www.angio.net/pi
• qr code generator: https://bahamas10.github.io/binary-to-qrcode