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Chrome extensionwhat they say

User Agent Switcher, URL sniffer

This extension can switch the user agent of a browser. and it allows you to find all HTTP URLs.

★★★★☆3.7 (430) · 70k+ users
Free
Chrome Web Store ↗
what mrrlens sees
MRR · No price listedNo price in the listing
Opportunity—
Buyer threads · 30 d0
“does not work on facebook”
#1 complaint · Bugs/Reliability · 50% of complaints read · analysed Oct 29, 2026 · source

01Revenue

No price in the listing

Store data from the Chrome Web Store listing, refreshed daily. Updated 17 h ago.

02Why users leave User Agent Switcher, URL sniffer

Bugs/Reliability3 reviews · 50%

Extension fails on Facebook and its outdated user-agent list triggers "browser out of date" website errors.

“does not work on facebook” source ↗
2 more complaints, with verbatim quotesIncluded in the day pass and Pro.
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Sample: 6 recent complaints (1–3★ reviews) · clustered Oct 29, 2026 · complaints from Jan 2023–Jun 2026, 17% in the last 24 months — mostly history · each review labelled by a model, quotes verbatim

03How to build a better User Agent Switcher, URL sniffer

Build difficultyMediumBrowser extension APIs, Client Hints/header spoofing, and ongoing UA-list maintenance and site compatibility.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better User Agent Switcher, URL sniffer

0 buyer threads in the last 30 days name User Agent Switcher, URL sniffer, and 2 more are in the same market.

05Questions about User Agent Switcher, URL sniffer

How much revenue does User Agent Switcher, URL sniffer make?

User Agent Switcher, URL sniffer's listing publishes no price and no paid plan, so MRRLens shows no revenue estimate. It may still charge on its own website; a founder can verify the real figure.

What do users complain about most in User Agent Switcher, URL sniffer?

Across 6 recent complaints, the most common is bugs/reliability (50%). Extension fails on Facebook and its outdated user-agent list triggers "browser out of date" website errors.

What are the best User Agent Switcher, URL sniffer alternatives?

The closest alternatives MRRLens found are Requestly, Mod Header and xHeader. The full list, with why users leave, is on the User Agent Switcher, URL sniffer alternatives page.

How many people use User Agent Switcher, URL sniffer?

User Agent Switcher, URL sniffer lists 70k+ users on the Chrome Web Store, rated 3.7 (430).

See the full x-ray of User Agent Switcher, URL sniffer

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.