Best alternatives to JSONViewer (2026)
10 Chrome extensions that do a similar job to JSONViewer, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
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JSONViewer alternatives, compared
- 1
JSONView
View JSON documents in the browser.
≈100K users3.8★ from 42 ratingsUpdated 18 months ago3 permissions- About 10× more users than JSONViewer
- Updated less recently
- Asks for more permissions (3 vs 1)
- 2
JSON Viewer
Validates and makes JSON documents easy to read. Open source.
≈100K users3.6★ from 157 ratingsNot updated for 2+ years7 permissions- About 10× more users than JSONViewer
- Updated less recently
- Asks for more permissions (7 vs 1)
- 3
JSONView
Validate and view JSON documents
≈2K users4.6★ from 5 ratingsNot updated for 3+ years6 permissions- About 5.0× fewer users than JSONViewer
- Updated less recently
- Asks for more permissions (6 vs 1)
- Listed under Workflow & Planning
- 4
JSON Viewer Pro
A powerful JSON viewer and formatter that offers advanced features for developers and data analysts to visualise and analyse JSON
≈300K users4.5★ from 219 ratingsUpdated 2 days ago3 permissions- About 30× more users than JSONViewer
- Updated more recently
- Asks for more permissions (3 vs 1)
- 5
JSON Viewer
Port of Firefox's JSON Viewer
≈30K users4.7★ from 51 ratingsNot updated for 2+ years1 permissions- About 3.0× more users than JSONViewer
- Updated less recently
- 6
JSON Viewer
Pretty JSON Viewer – an online json formatter, validator, and viewer for easy formatting and validation of json files.
≈1K users5.0★ from 5 ratingsUpdated 6 months ago1 permissions- About 10× fewer users than JSONViewer
- Updated less recently
- 7
JSON Viewer
Most aesthetic & customizable JSON/JSONP viewer with themes, custom search, syntax highlighting/checking & copy features.
≈10K users4.9★ from 35 ratingsUpdated 3 months ago3 permissions- A similar number of users to JSONViewer
- Asks for more permissions (3 vs 1)
- 8
JSON Viewer
Makes JSON response easy to read.
≈5K users5.0★ from 2 ratingsUpdated 7 months agoNo special permissions- About 2.0× fewer users than JSONViewer
- Updated less recently
- Asks for fewer permissions (0 vs 1)
- 9
HAR/JSON viewer
Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view for HAR and any structured JSON files.
≈10K users4.3★ from 6 ratingsNot updated for 5+ years2 permissions- A similar number of users to JSONViewer
- Updated less recently
- Asks for more permissions (2 vs 1)
- 10
JSONVue
Validate and view JSON documents
≈900K users4.3★ from 2.6K ratingsNot updated for 2+ years2 permissions- About 90× more users than JSONViewer
- Updated less recently
- Asks for more permissions (2 vs 1)
JSONViewer alternatives: questions
What is the best alternative to JSONViewer?
By users, the most popular alternative is JSONVue with ≈900K users and a 4.3-star rating. The closest match by what it does is JSONView.
Which JSONViewer alternative has the best rating?
JSON Viewer has the highest rating of these alternatives with 50+ ratings: 4.7 out of 5 from 51 ratings.
Is there a JSONViewer alternative that asks for fewer permissions?
JSON Viewer asks for 0 permissions, against 1 for JSONViewer.
How many alternatives to JSONViewer are there?
We list 10 close alternatives to JSONViewer on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.