Postfly icon

Postfly

by greatqian · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

A lightweight, Postman-like browser extension for rapid API testing and debugging.

Users
8
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#214K
#179K among extensions
Version
0.2.0
updated 10 Jul 2025

Users

monthly, 16 months
048Jul 2025Mar 2026Oct 2026
Latest, 16 Oct 2026: 8 usersMove the mouse over the chart for any month

Ratings count

monthly, 16 months
001Jul 2025Mar 2026Oct 2026
Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Postfly

Postfly: Your Lightweight API Assistant, Right in Your Browser. Tired of switching between heavy desktop applications for API testing? Meet Postfly, a fast, beautiful, and lightweight browser extension that brings the power of a full-featured API client directly into your development workflow. Designed for developers who value speed and simplicity, Postfly allows you to send any HTTP request, inspect server responses, manage request collections, and browse your history without ever leaving the browser. It's built with a clean, intuitive, and minimalist interface that gets out of your way, so you can focus on what truly matters: building great software. Key Features: Full-Featured Request Composer: Effortlessly craft any HTTP/HTTPS request with a user-friendly editor for parameters, headers, authentication, and various body types. Detailed Response Viewer: Analyze responses with automatic syntax highlighting for JSON, a raw text view, and even a preview for HTML content. Effortless History: Automatically saves your requests, allowing you to quickly find, duplicate, and re-run them at any time. Simple Collection Management: Organize your API requests into collections, streamlining your workflow and keeping your projects tidy. Elegant & Minimalist UI: A carefully designed interface that is both powerful and a joy to use, prioritizing clarity and focus. Blazingly Fast: Built on a modern tech stack for a smooth, responsive, and seamless experience. Streamline your API testing and boost your productivity. Install Postfly today and experience a new level of development convenience!

Growth

WindowUsersChangeRatingsRating
7 days+2+33.3%00.00
30 days−1−11.1%00.00
6 months+8–00.00
1 year+8–00.00

Version history

2 versions recorded
0.2.010 Jul 2025
0.1.07 Jul 2025

Details

Category
Developer Tools
First seen
7 Jul 2025
Size
3.2 MB
Languages
en
Pricing
Free
Privacy policy
greatqian.me
Extension ID
pfcagelbfhmjnkebepejjggogedagnbd

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
tabsstorage
Site access
*://*/*
Can read and change data on every website you visit.

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