Welcome to CodeAssistant

A collection of tools, converters and generators for software and web developers. Base64, HTML, URL encoding as well as regular expressions and JSONPath testers or generators for GUID, renadom strings or self-signed SSL certificates are just some examples of the tools offered on this site. New tools are constantly added and the existing tools are constantly being improved. Currently, the following tools are available:

Base64 Encoding
De- and encode strings and files from or to Base64 online. Enter a text or upload a file and then click the "encode" or "decode" button.
Create GUID
Generate GUID\UUID online quick and easy. Each time you load this page, a new GUID\UUID is displayed. The generated value is a true, globally unique UUID.
HTML Encoding
De- and encode string to and from HTML encoding online. Enter a text and then click the encode or decode button.
JSONPath Queries
Execute JSONPath queries online and immediately see the query results. The JSONPath query is executed as you type.
Random Strings
Generate random strings online. The string is generated on your device and not sent over the internet.
Regular Expressions
Test regular expressions online. The expression is evaluated as you type. Captures are displayed in a table and matching parts in your test text are marked with unique colors.
Self-Signed SSL Certificate
Create self-signed certificates for development purposes online. Enter optional certificate properties or leave the default values and click the *Generate* button. A self-signed SSL\TLS certificate will be generated for you.
URL Encoding
De- and encode string to and from URL encoding online. Enter a text and then click the encode or decode button.