The glass reads through whatever sits behind it. Start with Horizon, or pick your own.
Suggested
JSON Formatter
Format & Validate
Base64 Encode/Decode
Encode & Decode
URL Encode/Decode
Hash Generator
Generators
UUID Generator
Unix Time Converter
Inspect & Debug
JWT Debugger
RegExp Tester
Remove flat or chroma-key backgrounds from images
Drop an image to cut out
Works best on flat, chroma-key, or plain-colour backgrounds