# HTTP & Auth Tools

Canonical: https://herebetools.com/topics/http-and-auth

Browse free http & auth tools and references on Here Be Tools. Choose a tool to see its capabilities and use it in your browser.

- [Query String Builder](https://herebetools.com/query-builder): Build and edit URL query parameters with encoding and duplicate-key support
- [Cookie Parser](https://herebetools.com/cookie): Parse and analyze Set-Cookie and Cookie headers
- [cURL Converter](https://herebetools.com/curl): Convert cURL to fetch, axios, or Python
- [.env Parser](https://herebetools.com/dotenv): Parse .env files with type detection and export options
- [Email Auth Tools](https://herebetools.com/email-auth): Generate and analyze SPF and DMARC DNS records for email authentication
- [Email Headers](https://herebetools.com/email-headers): Parse and analyze raw email headers, authentication results and routing
- [HTTP Headers](https://herebetools.com/http-headers): Analyze HTTP response headers with security scoring
- [HTTP Status Codes](https://herebetools.com/http-status): Complete reference for all HTTP status codes
- [JWT Decoder](https://herebetools.com/jwt): Decode and inspect JWT tokens
- [JWT Builder](https://herebetools.com/jwt-builder): Build and sign JWT tokens in the browser
- [User Agent Parser](https://herebetools.com/useragent): Detect browser, OS and device from User Agent strings

[Privacy policy](https://herebetools.com/privacy-policy) · [About](https://herebetools.com/facts) · [Topics](https://herebetools.com/topics)