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JSON Viewer
View JSON documents in the browser
As of 30 August 2026, JSON Viewer is free to use. JSON Viewer is a browser extension that formats and highlights JSON content in the browser. Softwr lists it under Browser Extensions. JSON Viewer is launched in 2015, available on Browser extension.
Overview
What JSON Viewer does
The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about JSON Viewer.
- The project is MIT licensed open source code hosted on GitHub with no vendor and no paid tier
Cross-shopped
What people choose instead of JSON Viewer
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
- JSON ViewervsDark Reader
Dark Reader: Dark mode for every website
- JSON ViewervsPrivacy Badger
Privacy Badger: Automatically learn to block invisible trackers
- JSON ViewervsRaindrop.io
Raindrop.io: All-in-one bookmark manager
Pricing
What JSON Viewer costs
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Free
Free
- Syntax highlighting
- Collapsible tree
- Search
- Copy to clipboard
Capabilities
Features
JSON formatting
Syntax highlighting
Tree view
Search functionality
Chrome support
Available on chrome
Firefox support
Available on firefox
Edge support
Available on edge
Behind it
Who makes JSON Viewer
- Company
- JSON Viewer
- Based in
- Open Source Project
Keep looking
Where to go from JSON Viewer
- JSON Viewer alternativesEvery product people weigh against it
- JSON Viewer pricingPlans, floors and what the tiers exclude
- JSON Viewer badgesWhich rules it meets, and the figure behind each
- All Browser Extensions softwareThe full category
- Best Browser Extensions softwareThe shortlist, and how it was cut
Best Browser Extensions software for
Compare JSON Viewer with
- Dark Reader
- Raindrop.io
- Privacy Badger
- Wappalyzer
- BuiltWith
- React Developer Tools
- Vue.js Devtools
- Web Developer
- Redux DevTools
- Save to Google Drive
- WhatFont
- Night Eye
- Tampermonkey
- Vimeo Record
- React Developer Tools
- Vue.js Devtools
- Save to Google Drive
Other Browser Extensions software
Softwr does not host reviews and shows no star rating for JSON Viewer, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
More on JSON Viewer
JSON Viewer alternatives
What people switch to, and what they give up
JSON Viewer pricing
Every tier, and where the cost actually lands
Compare JSON Viewer
Put it head to head with anything we hold
JSON Viewer badge
Its rating, and an embed for your own site
Best Browser Extensions software alternatives
Dark mode for every website
Automatically save while you shop
