Prometheus Formatter

Makes plain Prometheus/OpenMetrics endpoints easier to read.

As of June 2026, Prometheus Formatter has 3,000 users and a 4.76/5 rating from 21 reviews in the Developer Tools category.

Frederic Hemberger Developer Tools

Chrome Web Store ↗.crx

Users0%

3.0K

3,000

Rating+0.2%

4.76

21 reviews

Reviews+5.0%

21

Version

3.2.1

Manifest V3

History

2 snapshots

Tracking since Apr 21, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 21, 2026	3.0K	4.75	20	3.2.1
May 1, 2026	3.0K	4.76	21	3.2.1
Now	3.0K	4.76	21	3.2.1

Permissions & access

Permissions: storage
Host access: None declared

Screenshots

Prometheus Formatter screenshot 1

About

This extension is a simple syntax highlighter for Prometheus and OpenMetrics formats. Metric endpoints must use either HTTP Content-Type `application/openmetrics-text` or `text/plain`, according to spec.

For plain-text metrics, parsing is limited by default on URL paths matching '/metrics', '/federate', '/probe', '/prometheus' and '/actuator/prometheus'. By clicking on the extension's icon, you can define your own paths (Regular Expressions are supported), which will override the default list.

Source code is available on GitHub under MIT license.

Technical

Version: 3.2.1
Manifest: V3
Size: 11.53KiB
Min Chrome: 88
Languages: 1
Featured: No

Metadata

ID: jhfbpphccndhifmpfbnpobpclhedckbb
Developer ID: u2541ca636aa288f2ee1e6dd404ae690b
Developer Email: [email protected]
Created: Feb 5, 2018
Last Updated (Store): Jan 4, 2026
Last Scraped: Jun 5, 2026
Website: —
Support URL: https://github.com/fhemberger/prometheus-formatter/issues
Privacy Policy: —

Similar extensions

Alternatives to Prometheus Formatter, ranked by description similarity.

Prometheus Viewer

Helps investigate endpoints which return Prometheus metrics

Github Terraform Sources To Url

Converts Terraform modules sources on github to clickable links that take you to the module definition page.

Prometheus-Monitor

A live-viewer for services that expose metrics in the Prometheus-format.

Analyze meta tags, schemas, images, Open Graph, and canonical links for on-page SEO optimization. One-click audit.

Open Preview Peek

Instantly view Open Graph Previews of the link to the webpage you're currently on. Especially ideal for use when developing locally.

OMG CC Chrome extension allows you to check metrics and backlinks, find keyword ideas and analyze competition on the fly.

OpenText Core SCA Select Extension

Open Source Select will help developers find and use the right open source and reduce friction between organisations and developers

Markdown Formatter for Bearblog

Easily format your markdown text by selecting it and pressing a key to wrap it, saving you time and effort. Built for Bearblog.

Data sourced from the Chrome Web Store · last verified Jun 5, 2026.