---
title: Base64 URL path segments
summary: Unknown data in URL paths can result in invalid URLs, but base64url is designed to be URL-safe.
url: https://www.fastly.com/documentation/solutions/examples/base64-url-path-segments
---

Unknown data in URL paths can result in invalid URLs, but base64url is designed to be URL-safe.

## VCL

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/e8af3d73)

## Compute

### Rust

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/2c78daef)

### Javascript

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/5337679a)

### Go

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/2ea57ef2)