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Description
Fast, private JSON & JSONP viewer: highlighting, collapsing, 30+ themes, dark mode. Nothing leaves your browser. JSONer makes JSON readable. Open any JSON or JSONP response and get an instant, collapsible, syntax-highlighted tree instead of a wall of text. • Automatic - activates on any JSON/JSONP page, no clicking required • Collapsible nodes, line numbers, and one-click raw/parsed toggle • 30+ themes including full dark mode • Fast on large documents • 100% private - parsing happens locally in your browser. JSONer sends your data nowhere and requires no account. JSONer is an actively maintained, Manifest V3 rebuild of the classic open-source "JSON Viewer" by Túlio Ornelas, updated to keep working in current Chrome. Open source under the MIT license.