Hermes: Intercept on the Fly!

Name: Hermes: Intercept on the Fly!
Rating: 5 (4 reviews)
Author: DaiverAndres99

Chrome extension to intercept requests and modify them on the fly!

As of June 2026, Hermes: Intercept on the Fly! has 47 users and a 5.00/5 rating from 4 reviews in the Developer Tools category.

DaiverAndres99 Developer Tools

Chrome Web Store ↗.crx

Users+23.7%

Rating0%

5.00

4 reviews

Reviews0%

Version

1.1.0

Manifest V3

History

10 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	38	5.00	4	1.1.0
Apr 10, 2026	36	5.00	4	1.1.0
Apr 20, 2026	39	5.00	4	1.1.0
Apr 25, 2026	41	5.00	4	1.1.0
May 2, 2026	41	5.00	4	1.1.0
May 9, 2026	37	5.00	4	1.1.0
May 14, 2026	43	5.00	4	1.1.0
May 20, 2026	45	5.00	4	1.1.0
May 26, 2026	44	5.00	4	1.1.0
Jun 2, 2026	45	5.00	4	1.1.0
Now	47	5.00	4	1.1.0

Permissions & access

Permissions: declarativeNetRequest
Host access: <all_urls>

Screenshots

Hermes: Intercept on the Fly! screenshot 1

Hermes: Intercept on the Fly! screenshot 2

About

🪽 Hermes: Intercept on the Fly!

The ultimate DevTools extension for frontend developers who need full control over HTTP traffic — without touching backend code.

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🎭 HTTP Mocking
Create custom mock responses for any API endpoint. Define status codes, headers, and JSON bodies. Organize mocks into groups and toggle
them on/off instantly. No proxy servers, no code changes — just intercept and respond.

📡 Network Monitor
Real-time view of all fetch and XHR requests happening on the page. Inspect request/response bodies, headers, and timing — all within
the DevTools panel.

🔴 Request Recording & Playback
Record real API traffic and replay it later — even across different environments. Smart normalized path matching handles dynamic IDs
(UUIDs, numeric IDs) automatically. Batch domain replacement lets you switch between staging, dev, and production with one click.

🔀 Microfrontend Redirect
Redirect module federation manifests and static assets at the network level. Point remote microfrontend URLs to your local dev server
(or vice versa) without modifying source code. Works with any Module Federation setup.

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⚡ Key Features
• Works in Chrome DevTools as a dedicated panel
• Per-host enable/disable toggle from the popup
• Network-level redirects (catches requests before JavaScript runs)
• Cross-environment recording playback with smart URL matching
• Import/export mocks and recordings as JSON
• Dark mode support
• Zero external dependencies — all data stays in your browser

🔒 Privacy
Hermes stores all data locally in your browser using IndexedDB. No data is sent to external servers. Ever.

🛠️ Built by developers, for developers.