Web tools

Every so often I try to find a web tool to do some sort of conversion, cleaning or generation. The problem is that these often send your data to a server, and the data I need to convert can sometimes be sensitive.

The below tools are written in pure JS and run entirely in the browser. Nothing is sent to a server; check out the code, or open web inspector.

Base64 Encoder / Decoder

A simple tool to convert data to base64 and back.

Encode to base64 Decode to text

JSON Beautifier

Paste ugly JSON below. It will pretty-print it back into the form, and provide an expandable JSON view you can click through. Useful when you want to visualise a large payload.

{"name":"JohnDoe","age":30,"address":{"street":"123MainSt","city":"NewYork","country":"USA"},"contacts":[{"type":"email","value":"john.doe@example.com"},{"type":"phone","value":"+1-555-1234"}],"preferences":{"notifications":true,"theme":"dark"}}
Beautify JSON

JSON Explorer:

Image to webp converter

Convert images into webp without needing to upload any files to a server.

Convert to WebP

Download