Browser extensions starting with I
325 browser extension security reviews, listed by name.

Imgur Unblock (via imgup.uk)
Rhigo
CleanImgur Unblock (via imgup.uk) rewrites Imgur URLs on pages and network requests through imgup.uk's proxy.

In My Pocket
Pierre-Adrien Buisson
CleanIn My Pocket sends the URL and title of pages you save to the Pocket API.

Instant Data Scraper reboot
lys
MediumInstant Data Scraper reboot can load jQuery from code.jquery.com into the active tab when bundled injection fails.
I-Know
Ryan Allred
CleanI-Know sends connected school LMS host origins to Google Analytics when the popup opens.
IG Downloader|Photos, Videos, Reels & Stories
ultraextensionshq · Communication
CleanIG Downloader sends selected Instagram media URLs to downloader-api.ext-api.com when you click its download button.
IG Followers Manager - Track, Automate, Export
MediumIG Followers Manager sends a built-in bearer token to the vendor API for process and account actions.
IO Games @ Titotu.io
titotu.io
CleanIO Games @ Titotu.io exposes its extension ID to Titotu page scripts on titotu.io and titotu.ru pages.
IP代理助手
Devilflasher
CleanIP代理助手 stores proxy usernames and passwords in extension storage and reuses them for proxy authentication.
IQDB Context
MK
CleanIQDB Context sends user-selected image URLs to iqdb.org for reverse-image search.
IRCTC Tatkal Autofill Assistant
LowIRCTC Tatkal Autofill Assistant stores saved booking profiles in local extension storage as plaintext by default.
IRCTC Ticket Now
connect2ashwaniverma
CleanIRCTC Ticket Now sends IRCTC CAPTCHA images to Google Gemini for automated solving when a Google API key is configured.
ImageFX Automator - Bulk AI Image Generation with Nano Banana 2 & Pro
autoplaylabs
CleanImageFX Automator sends your prompts and generation settings to Google AI Sandbox and Gemini.
ImportKit
Henrique.p.camargo23
LowImportKit forces on a hidden search insights module that sends Goofish and Taobao search terms to Supabase.
I4Y
Influence4You · Social & Communication
LowInfluence4You reads public profile email addresses and sends them to app.influence4you.com.
Infomon
panda
MediumInfomon initializes Microsoft Application Insights page-view telemetry on every HTTPS page its content script loads.
InsL - Instagram like picker & exporter
ListMore · Social & Communication
CleanInsL fetches Instagram profile metadata, including public email and phone fields, and stores export results locally.
Inspect Element
marysabon4 · Developer Tools
LowInspect Element creates a persistent Amplitude ID and sends usage telemetry to api.amplitude.com.
InstaLens
erdkse · Social & Communication
MediumInstaLens can record Instagram page sessions and sends Instagram profile report data to its servers.
Interpreter - Live Captions & Translation for Interpreters
useinterpreter.com
CleanInterpreter's Focus Shield hides browser focus and visibility changes from websites where the user enables it.
Invoice Ninja: Tasks
Invoice Ninja
CleanInvoice Ninja: Tasks reads Gmail thread and Linear issue details and sends them to the configured Invoice Ninja API.
iRivYou - Import Aliexpress, Amazon reviews
wooebayimporter · Shopping
LowiRivYou sends stored WooCommerce credentials and scraped review content to wooshark.website.
ideaocam
funtechnologyinnovation · Education
Mediumideaocam makes camera media uploaded to Google Drive readable to anyone with the link.

Infy Scroll - A Next Page AutoPager
Sixcious
LowInfy Scroll can use remote database rules to disable service workers and clear site cache data on matched websites.

Imagus mod
TFW
MediumImagus mod runs auto-updated remote sieve rules as code on every site.

InteractiveFics
InteractiveFics
MediumInteractiveFics writes saved replacement values into matching pages where site scripts can read them.
IDX Privacy
IDX
CleanIDX Privacy injects scripts that spoof browser fingerprinting APIs and limit iframe cookie access.
IFS Aurena Insight
Kamal Goduguluri
CleanIFS Aurena Insight fetches IFS debug details and SQL trace metadata for local field inspection.
IG HERO智能插件
igheroffical
LowIG HERO智能插件 follows, unfollows, likes, and blocks Instagram accounts directed by the-ins-club.com.
IP Location Lookup
xakageminato
CleanIP Location Lookup sends the active tab hostname to ipwhois.app when its popup opens.
IPTV Tools
DeveloperMDCM
MediumIPTV Tools can send Xtream IPTV usernames and passwords over HTTP when users enter an http:// server URL.
IPU 中译英插件 / IPU Chinese to English Translator
宋承岩
CleanIPU Chinese to English Translator sends daxue.sankuai.com page text to MyMemory when translation is enabled.
ITONICS Web Clipper Enterprise
ITONICS GmbH
LowITONICS Web Clipper Enterprise inserts an extension resource URL into every page it runs on.
ITV Kerching
ITV
LowITV Kerching embeds OAuth client credentials and sends signed token requests to api-partners.kindred.co.
Image Converter: Save as JPG/PNG/WEBP/GIF/BMP/AVIF/HEIF
timmerse-group
CleanImage Converter uploads selected page images to EdgeOne and Tencent COS for server-side format conversion.
Image Downloader
Muyor
CleanImage Downloader copies page URLs, titles, links, image and stylesheet URLs, and page text into its interface.
Image Downloader
VidHelper
CleanImage Downloader sends the active tab URL to Google Analytics when you use image actions in its popup.
Image Upscaler
imgkits
CleanImage Upscaler sends user-selected image URLs to Imgkits when the context-menu upscaling option is used.
Image editor PaintMagick for photos
RedcoolMedia · Art & Design
LowImage editor PaintMagick for photos sends visited image URLs to RedCoolMedia when you open image files.
ImageCap - Image download and capture
Q
CleanBatch downloads webpage images and captures full-page screenshots.
ImageXtract - Copy Text from Image
LowImageXtract - Copy Text from Image lets any website invoke its OCR engine and receive recognized text from supplied images.
Images Downloader for Airbnb
foheklor
CleanImages Downloader for Airbnb stores Airbnb API request headers and reuses them to fetch listing photo metadata.
Imify - Powerful Image Toolkit
TrongAJTT
CleanImify - Powerful Image Toolkit scans the active page for SEO image metadata and saves the audit report locally.
Impersonator
apoorvlathey
LowImpersonator lets any webpage request stored Ethereum RPC URLs for configured chains.
Improver of hc
Help Chat
CleanImprover of hc sends dating-site chat and mail message text to ukrainiangirls.pw during automation.
In Private Mode
liprivatemode
MediumIn Private Mode uses a hidden pinned Google tab to run backend-directed searches and report visited result URLs.
In-Page Piano Analytics
at-internet-chromedev
MediumIn-Page Piano Analytics lets active pages request and receive Piano Analytics article metrics.
InTab
InTab
CleanInTab puts licensed users' persistent ID and license key in a cleartext HTTP uninstall URL.
Inboxes: Create Disposable Temp Mail Addresses
InboxesApp
LowInboxes sends a browser fingerprint to api.inboxes.app when it creates or profiles an account.
Includia Accessibility Checker
Includia Inc.
CleanIncludia Accessibility Checker sends saved accessibility scan results and page details to api.includia.com.
Influencer Finder | Similar Creators & Downloader
radarlinkedin
CleanInfluencer Finder & Analyzer sends selected Reddit page text to Aliyun SLS whenever you release the mouse.
Input Translator
rxliuli
LowInput Translator sends focused form text to Google Translate when its all-sites shortcut is triggered by page-dispatched events.
Ins Comment Exporter
EchoWebBot Team
CleanIns Comment Exporter sends selected Instagram post IDs and export progress metadata to Echobot's Parse backend.
Insites
Insites
CleanInsites sends MD5 hashes of each visited page's host and path to app.insites.com for report lookup.
Instagram Cookie Login
AutoTOOL999
LowInstagram Cookie Login loads remote HTML into its Instagram cookie-entry popup.
Instant Dark
jeffsbaker
CleanInstant Dark Mode sends Chrome profile identity and license details to Sea Breeze Computers during license checks.
Instant Tracking Monitor for Google Analytics
Thomas Langnau · Developer Tools
CleanShows a quick overview of Google Analytics tracking activity on the current page.
InterFast
InterFast
CleanInterFast stores imported supplier product details and sends selected product image URLs to app.inter-fast.fr.
Internal Link Checker
seotools
CleanInternal Link Checker reads same-host page links and anchor text when its popup scans the active tab.
Iris Wallet
NockBox Inc.
MediumIris Wallet sends JSON-RPC requests to Nockblocks with a bundled API key.
Is Generated - Block AI Content
Is Generated
LowIs Generated - Block AI Content sends visited HTTPS page URLs with a client ID to server.isgenerated.com.