Dev Tools Pro — close the dev-tool tabs.

Everything you reach for, in one window

Formatter — format, minify and validate JSON with one click.
Visualization — expandable tree view with syntax-highlighted output and structure stats.
Query — JSONPath-style queries with dot keys, array indexes and wildcards.
Convert — JSON to YAML, XML, Base64 or CSV.
Data — sort keys, flatten, unflatten, merge, extract keys.
Diff — JSON Patch-like delta between two documents.
JSON from URL — fetch and pretty-print remote JSON responses.
History — recent operations saved locally on your Mac.

cURL Tester — parse cURL commands and execute them with URLSession.
URL Parser — break URLs into components and query parameters.
JWT Parser — decode header and payload without verifying signatures.
Network Inspector — embedded WebView with fetch, XHR and resource-timing capture; export to JSON or HAR.
OpenAPI Beauty — embedded OpenAPI viewer for spec inspection.

Text Compare — line-by-line text diff.
Image Compare — split, fade, slider, pixel-highlight and subtract modes with per-image metadata.
Document Compare — PDF, RTF, HTML and plain text side-by-side compare.
Excel Compare — CSV, TSV and text-exported table compare.
Folder Compare — recursive folder diff with optional SHA-256 hashing.