Chrome extension for messy JSON and raw developer data

RawLens

Pretty-print messy JSON from selected text, hovered page elements, clipboard content, page source, and raw pages without leaving Chrome.

Add to Chrome View on GitHub

Built for the raw tabs developers actually open

Stop pasting sensitive output into random online formatters.

Nested JSON strings

Expand JSON-looking string fields such as {"foo":"{\"bar\":1}"} into readable structured data.

JSON from anywhere

Inspect selected text, hovered DOM nodes, clipboard content, raw pages, page source, or page HTML.

Source files

Auto-format YAML, Markdown, SQL, patches, diffs, XML, JavaScript, CSS, and HTML when Chrome opens them as text.

Short demo

A fast path from messy payload to readable output.

Use the demo clip on launch posts, README, Product Hunt, and the Chrome Web Store gallery. It keeps the story focused on the main workflow: JSON from anywhere, nested string fields expanded locally.

Format coverage

Readable views for messy raw content.

Formatted JSON log view — JSON payloads, stack traces, and escaped strings

ANSI log colors rendered in Chrome — ANSI colors from CI and terminal output

RawLens History panel — Local History keeps recent inspections close

Fast from anywhere

Inspect the source you already have.

RawLens works from selected text, hovered DOM nodes, clipboard content, full page source, and page HTML. Recent entries stay available in a local History panel.

vvJSON from selection or hovered node

ppJSON from clipboard

ccAuto-detect current page source

xxANSI view for page text

ffToggle full-screen mode

Searchable use cases