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empinet.dev
Runs locally in your browser

The useful parts of a developer toolbox.

Format, validate, convert, and inspect data in a focused workspace. No account, no upload, no waiting on a server.

Browse all toolsOpen JSON Formatter
JSON Formatter
{
  "name": "empinet.dev",
  "private": true
}

Input → useful output

Fast, focused, local.

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Core tools

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json

JSON Formatter

Format and validate JSON directly in your browser.

json

JSON Validator

Validate JSON and locate syntax errors.

json

JSON Viewer

Explore JSON in a readable structured view.

encoding

Base64 Decode

Decode Base64 content into plain text.

Why use empinet.dev

Local by default

Core transformations stay in your browser.

Built for real data

Large workspaces and clear errors, without clutter.

12 focused categories

Predictable navigation across related utilities.