> For the complete documentation index, see [llms.txt](https://fusionauth.io/docs/llms.txt)

# Developer Tools | FusionAuth Docs

Explore developer tools designed to simplify CIAM development.

# Developer Tools

[Edit on GitHub](https://github.com/FusionAuth/fusionauth-site/blob/main/astro/src/content/docs/dev-tools/index.mdx)

[View Markdown](https://fusionauth.io/docs/dev-tools.md)

[JWT Encoder/DecoderLearn how JWT refresh tokens work and how to use them to authenticate and authorize your APIs.](https://fusionauth.io/docs/dev-tools/jwt-decoder.md)[Base64 Encoder/DecoderConvert text to Base64 or decode Base64-encoded data for secure encoding and transmission.](https://fusionauth.io/docs/dev-tools/base64-encoder-decoder.md)[URL Encoder/DecoderConvert special characters for safe transmission as URL parameters and decode encoded URLs.](https://fusionauth.io/docs/dev-tools/url-encoder-decoder.md)[UUID GeneratorCreate random 32-character unique identifiers for secure and standardized identification.](https://fusionauth.io/docs/dev-tools/uuid-generator.md)[Unix/Epoch Time ConverterConvert Unix and epoch times using our online time converter tool.](https://fusionauth.io/docs/dev-tools/date-time.md)