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Best alternatives to JSON Viewer (2026)

10 Chrome extensions that do a similar job to JSON Viewer, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.

JSON Viewer: reviews, users and permissionsBest Developer Tools extensions

JSON Viewer today

≈5K users5.0★ from 2 ratingsUpdated 7 months agoNo special permissions

JSON Viewer alternatives, compared

  1. 1

    JSON Viewer

    Validates and makes JSON documents easy to read. Open source.

    ≈100K users3.6★ from 157 ratingsNot updated for 2+ years7 permissions
    • About 20× more users than JSON Viewer
    • Updated less recently
    • Asks for more permissions (7 vs 0)
    JSON Viewer alternativesCompare side by side
  2. 2

    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 60× more users than JSON Viewer
    • Updated more recently
    • Asks for more permissions (3 vs 0)
    JSON Viewer Pro alternativesCompare side by side
  3. 3

    JSON Viewer

    Port of Firefox's JSON Viewer

    ≈30K users4.7★ from 51 ratingsNot updated for 2+ years1 permissions
    • About 6.0× more users than JSON Viewer
    • Updated less recently
    • Asks for more permissions (1 vs 0)
    JSON Viewer alternativesCompare side by side
  4. 4

    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 5.0× fewer users than JSON Viewer
    • Asks for more permissions (1 vs 0)
    JSON Viewer alternativesCompare side by side
  5. 5

    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
    • About 2.0× more users than JSON Viewer
    • Updated more recently
    • Asks for more permissions (3 vs 0)
    JSON Viewer alternativesCompare side by side
  6. 6

    JSON Formatter

    Makes JSON easy to read

    ≈2M users1.5★ from 2.1K ratingsUpdated 6 months ago3 permissions
    • About 400× more users than JSON Viewer
    • Asks for more permissions (3 vs 0)
    JSON Formatter alternativesCompare side by side
  7. 7

    JSON Formatter Classic

    Makes JSON easy to read

    ≈1K users5.0★ from 1 rating3 permissions
    • About 5.0× fewer users than JSON Viewer
    • Asks for more permissions (3 vs 0)
    JSON Formatter Classic alternativesCompare side by side
  8. 8

    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
    • About 2.0× more users than JSON Viewer
    • Updated less recently
    • Asks for more permissions (2 vs 0)
    HAR/JSON viewer alternativesCompare side by side
  9. 9

    JSON Formatter

    Makes JSON easy to read. Open source.

    ≈9K users4.5★ from 23 ratingsUpdated 20 months ago3 permissions
    • About 1.8× more users than JSON Viewer
    • Updated less recently
    • Asks for more permissions (3 vs 0)
    JSON Formatter alternativesCompare side by side
  10. 10

    Seven JSON Viewer

    Minimal JSON Viewer with JSON Path

    ≈7K users4.3★ from 13 ratingsNot updated for 4+ years1 permissions
    • A similar number of users to JSON Viewer
    • Updated less recently
    • Asks for more permissions (1 vs 0)
    Seven JSON Viewer alternativesCompare side by side

JSON Viewer alternatives: questions

What is the best alternative to JSON Viewer?

By users, the most popular alternative is JSON Formatter with ≈2M users and a 1.5-star rating. The closest match by what it does is JSON Viewer.

Which JSON Viewer 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.

How many alternatives to JSON Viewer are there?

We list 10 close alternatives to JSON Viewer 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.