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JSON Tools

Format JSON, decode escaped JSON strings, or convert JSON to and from YAML and CSV locally.

Private processing: your input stays on this device.
Visual structure

JSON tree

Select a row to expand or collapse it
Your JSON tree will appear hereFormat or minify valid JSON to create the tree.

How it works

Your browser performs the operation locally. Inputs and results are not sent to OneClickWorks.

Common questions

Does this tool upload my input?

No. Processing happens in this browser tab and your input is not sent to OneClickWorks.

What happens when I leave the page?

In-memory input and generated download links are released when the page is reset, replaced, or closed. OneClickWorks does not persist tool content.

Keep going

On-device

Base64 Text Encoder

Encode and decode UTF-8 text as Base64 locally.

Open tool On-device

URL Encoder & Decoder

Safely encode or decode URL components in your browser.

Open tool On-device

Unix Timestamp Converter

Automatically convert Unix seconds, milliseconds, microseconds, nanoseconds, and ISO date-times locally.

Open tool