Best alternatives to Prometheus Formatter (2026)
10 Chrome extensions that do a similar job to Prometheus Formatter, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Prometheus Formatter today
Prometheus Formatter alternatives, compared
- 1
JSON Formatter
Makes JSON easy to read
≈2M users4.3★ from 2.1K ratingsUpdated 5 months ago3 permissions- About 667× more users than Prometheus Formatter
- Rated 0.5 stars lower
- Updated more recently
- Asks for more permissions (3 vs 1)
- 2
Prometheus Viewer
Helps investigate endpoints which return Prometheus metrics
544 users5.0★ from 2 ratingsUpdated 14 months agoNo special permissions- About 5.5× fewer users than Prometheus Formatter
- Updated less recently
- Asks for fewer permissions (0 vs 1)
- 3
JSON Formatter
Makes JSON easy to read. Open source.
≈9K users4.5★ from 23 ratingsUpdated 19 months ago3 permissions- About 3.0× more users than Prometheus Formatter
- Rated 0.3 stars lower
- Updated less recently
- Asks for more permissions (3 vs 1)
- 4
JSON Formatter
Formats JSON automatically! Open Source, Available with 60+ Themes, Syntax Highlighting, automatically linkifies links and more.
≈40K users4.4★ from 44 ratingsUpdated 4 months ago4 permissions- About 13× more users than Prometheus Formatter
- Rated 0.4 stars lower
- Updated more recently
- Asks for more permissions (4 vs 1)
- 5
JSON Formatter Classic
Makes JSON easy to read
≈1K users5.0★ from 1 rating3 permissions- About 3.0× fewer users than Prometheus Formatter
- Asks for more permissions (3 vs 1)
- 6
XML Formatter
Transform your XML files effortlessly with XML Formatter. This extension acts as an XML beautifier and viewer for easy reading.
≈4K users4.9★ from 11 ratingsUpdated 11 months ago2 permissions- A similar number of users to Prometheus Formatter
- Asks for more permissions (2 vs 1)
- 7
Code Formatter
A Chrome extension to identify fonts & stlyes used by a web page.
≈5K users4.2★ from 34 ratingsNot updated for 2+ yearsNo special permissions- About 1.7× more users than Prometheus Formatter
- Rated 0.6 stars lower
- Updated less recently
- Asks for fewer permissions (0 vs 1)
- 8
SP Formatter
Customize your SharePoint Column, View or Form Layout Formatting JSON using a full-featured editor instead of the default one.
≈3K users4.2★ from 5 ratingsNot updated for 2+ years1 permissions- A similar number of users to Prometheus Formatter
- Updated less recently
- 9
JSON Formatter Pro
Beautiful JSON viewer with sidebar — search, copy paths, export, pin nodes, and history.
≈10K users4.0★ from 15 ratingsUpdated 7 months ago1 permissions- About 3.3× more users than Prometheus Formatter
- Updated more recently
- 10
JSON Formatter
Instantly transform raw JSON into a beautifully structured and color-coded format.
≈10K users4.4★ from 7 ratingsUpdated 9 months ago1 permissions- About 3.3× more users than Prometheus Formatter
Prometheus Formatter alternatives: questions
What is the best alternative to Prometheus Formatter?
By users, the most popular alternative is JSON Formatter with ≈2M users and a 4.3-star rating. The closest match by what it does is JSON Formatter.
Which Prometheus Formatter alternative has the best rating?
JSON Formatter has the highest rating of these alternatives with 50+ ratings: 4.3 out of 5 from 2.1K ratings.
Is there a Prometheus Formatter alternative that asks for fewer permissions?
Prometheus Viewer asks for 0 permissions, against 1 for Prometheus Formatter.
How many alternatives to Prometheus Formatter are there?
We list 10 close alternatives to Prometheus Formatter 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.