Best Chrome Extensions of September 2026

1. 1

   1. AI Toolbox 3.0

   428 upvotes

   Search, organize and export every AI chat in one place

   AI Toolbox is the missing layer on top of ChatGPT, Claude, Gemini and Grok: folders and subfolders, full-text search across every conversation (even all four platforms at once), a prompt library with // insert and multi-step chains, bulk…

   #1 on September 6, 2026ai-toolbox.ai1 maker, 1 with an email
2. 2

   2. Sider Code

   236 upvotes

   Reshape any website with plain words via Sider extension

   For 30 years, websites set the rules. Now you do. In the Sider Chrome extension, tell Sider Code how a site you rely on should work. It understands the page, writes the code, and makes the change. You can save and control the feature.

   #5 on September 2, 2026sider.ai/agents/code1 maker, 1 with an email
3. 3

   3. Sider Code

   231 upvotes

   Reshape any website with plain words via Sider extension

   For 30 years, websites set the rules. Now you do. In the Sider Chrome extension, tell Sider Code how a site you rely on should work. It understands the page, writes the code, and makes the change. You can save and control the feature.

   #5 on September 1, 20261 maker
4. 4

   4. ScreenCursor

   195 upvotes

   Screen recorder with auto zoom effects

   Record your screen and get back a finished video with the camera moves already in place. Every click, drag and keystroke becomes a zoom. No editing, and nothing ever leaves your computer.

   #4 on September 13, 2026screencursor.com1 maker
5. 5

   5. Lumiko

   167 upvotes

   Screen recordings that edit themselves with Auto Zoom-Pan

   Lumiko records your screen and edits the footage while you work. It tracks your cursor and clicks, then builds smooth zoom and pan moves over them automatically, no keyframes. Trim, split, and reorder clips on a timeline right in the…

   #3 on September 19, 2026lumiko.dev1 maker
6. 6

   6. Clipwise

   128 upvotes

   Save any page to Notion

   Clipwise saves any web page to your Notion databases — the whole article, not half of it. No account, no login, no paywall. Fill in your database properties before saving, and it remembers your last one. Everything stays on your computer.

   #6 on September 13, 2026clipwise.ai
7. 7

   7. deepeye by deepidv

   123 upvotes

   The deepfake detector that goes where you browse

   deepeye flags AI-generated and manipulated images, video, and audio as you browse. Free on Chrome and live inside WhatsApp, it checks the profile photo, the video call, the voice note, in the moment, with no uploads and no dashboard.…

   #11 on September 2, 2026deepidv.com1 maker
8. 8

   8. Offline JS Playground

   102 upvotes

   Write, run, and test JavaScript snippets & JSON offline

   A simple playground to write, run, and test JavaScript snippets, with an in-UI console. Built for quick experiments, debugging, learning, testing ideas, and working with JavaScript without needing a full development environment. This tool…

   #12 on September 4, 20261 maker
9. 9

   9. Lisen

   101 upvotes

   Free Read Aloud with Cartesia Voices

   Free read aloud for any article with your Cartesia voices. No subscription on top of your Cartesia plan.

   #10 on September 26, 20262 makers, 1 with an email
10. 10

    10. ChatHop

    98 upvotes

    Take your conversation anywhere.

    Move your AI conversation to another assistant mid-thought, context included. Copy the whole chat as plain text or Markdown. Start with 20 free uses every month.

    #10 on September 11, 20261 maker
11. 11

    11. Idlen

    91 upvotes

    Earn while you work with AI in any IDE or browser

    Developers wait on AI all day. That wait is an ad slot. One network, three doors. If you code: install the VS Code, Cursor or Chrome extension. A native ad while the model thinks. You keep 70%. We don't read your prompts. If you sell a…

    #17 on September 15, 2026idlen.io1 maker
12. 12

    12. Flicka

    90 upvotes

    Launch-ready product demos, from a Chrome extension

    A screen recorder that makes launch-ready demos: auto-zoom on your clicks, backdrops, frames, a webcam layer, MP4 export. A Chrome extension; nothing uploaded.Flicka is now a Chrome extension. Record a tab, your screen, a window, an area…

    #11 on September 21, 2026tryflicka.com1 maker, 1 with an email
13. 13

    13. AgreeGuard

    62 upvotes

    AI reads the fine print before you click "I Agree"

    91% of people accept terms and conditions without reading them. AgreeGuard is a free Chrome extension that reads the fine print for you. One click, and in under 15 seconds you get a plain-English summary with red flags highlighted…

    #25 on September 25, 2026agreeguard.app1 maker, 1 with an email
14. 14

    14. Accessibility Checker by WebYes

    55 upvotes

    Check any webpage for Accessibility issues, right in Chrome

    Accessibility Checker by WebYes is a free Chrome extension for testing webpages against WCAG 2.0, 2.1, and 2.2, with support for ADA, EAA, and Section 508 requirements. Scan a page, review issues by severity, inspect affected elements and…

    #23 on September 28, 2026webyes.com1 maker
15. 15

    15. Pluno

    19 upvotes

    AI that discovers and runs automations for you

    Pluno learns how you work across the browser, understands the steps and decisions you make, and identifies recurring workflows that consume billable time or require paid admin help. It then proposes a clear automation plan and, once…

    #21 on September 9, 20265 makers
16. 16

    16. Brain Rest

    19 upvotes

    Don’t let your browser rot your brain

    Brain Rest turns browser screen time into a character you’ll actually want to protect. See every site and tab in one dashboard, watch your Brain Level shift from Fresh to Dead, and use an on-page widget to stay aware without breaking your…

    #16 on September 5, 2026brainrest.com1 maker
17. 17

    17. Aymo AI for Chrome

    19 upvotes

    Free AI Sidebar in Your Browser with Tools and Top AI Models

    Free AI browser extension that puts 50+ top AI models and tools in a sidebar, one click away. GPT, Claude, DeepSeek, Kimi, Gemini and top AI models available today, all in one place. Works on Chrome, Brave, Edge, and other Chromium…

    #16 on September 20, 20261 maker
18. 18

    18. FramioCam

    17 upvotes

    Screenshot & screen recording studio for Chrome

    FramioCam is a screenshot and screen recording studio built for people who explain things on screen. Capture a tab, window, full page, selected area, or your entire screen. Then edit it with annotations, backgrounds, device frames, zooms…

    #27 on September 28, 2026framiocam.com1 maker, 1 with an email
19. 19

    19. Dnipro

    12 upvotes

    Suspicious Profile Checker for LinkedIn

    Reads LinkedIn profiles for signals pointing to fake or suspicious profiles. Open a LinkedIn profile and Dnipro reads that page, then reports how many of seven checks raised a question. Each check looks for something that turns up often…

    #22 on September 4, 20261 maker
20. 20

    20. LiftmyCV 3.0

    12 upvotes

    Your personal AI job search & auto-apply agent.

    Meet the brand-new LiftmyCV 3.0, an all-in-one AI job search platform that matches you with relevant jobs, generates job-specific resumes and cover letters, and applies on your behalf. This version introduces a new user interface, a Job…

    #14 on September 5, 20261 maker
21. 21

    21. TokenTrim

    10 upvotes

    Trim your AI prompts. Same answer, 40% fewer tokens.

    Free Chrome extension that compresses your prompt before it reaches ChatGPT, Claude or Gemini. One click, see the diff, send. Runs locally, stores nothing.

    #23 on September 16, 2026tokentrim.dev1 maker
22. 22

    22. Floating Notes 2.0

    10 upvotes

    Sticky notes on any webpage, synced across your devices

    Sticky notes that stay with the webpages you work on. V2 adds Google Drive sync across computers, custom URL rules, Markdown export, and 100,000-character notes with Pro. Free notes still work offline, with no account required.

    #32 on September 10, 2026floatingnotes.app1 maker, 1 with an email
23. 23

    23. Design Tool

    8 upvotes

    Figma's inspect panel, for any website

    Hover any element on a live website and read its type styles the way you would in Figma. Click two elements to measure the exact gap between them as dimension lines, not a ruler you eyeball. See margin, border and padding as a spacing box…

    #38 on September 21, 20261 maker
24. 24

    24. Better Twitter

    8 upvotes

    Pure focus, zero noise: declutter X and read your way.

    Open-source Chrome extension that removes promoted tweets, restores chronological feeds, adds local bookmark folders, and unlocks custom themes.

    #39 on September 17, 20261 maker
25. 25

    25. ASINGuard

    8 upvotes

    Turn 1-star Amazon reviews into copy-paste listing fixes

    An automated agent that checks every ASIN in your Amazon catalog, finds the real root causes behind returns, and flags what needs attention — before you have to go looking.

    #28 on September 7, 20261 maker

Junior imports every day's Product Hunt leaderboard. Each launch is filed under the first topic its makers chose, so it appears in one category only. This list takes the Chrome Extensions launches dated in September 2026 and ranks them by their upvotes. It refreshes daily.

• Best Productivity Tools221
• Best Design Tools75
• Best Open Source Tools82
• Best Developer Tools65
• Best Mac Apps88
• Best Android Apps67
• Best Marketing Tools51
• Best AI Tools42
• Best SaaS Tools29
• Best iOS Apps39
• Best APIs37
• Best Analytics Tools29
• Best Health & Fitness Apps11
• Best Social Media Tools31
• Best Sales Tools31
• Best Fintech Tools10

• All Chrome Extensions324
• Every launch in September 2026
• All best-of lists

What was the top Chrome Extensions launch of September 2026?

AI Toolbox 3.0 ("Search, organize and export every AI chat in one place"), with 428 upvotes on September 6, 2026, where it finished #1 of the day.

How many Chrome Extensions launched in September 2026?

29 on Product Hunt, with 2,267 upvotes between them. This list shows the 25 most upvoted.

How is this list ranked?

By Product Hunt upvotes, as recorded on launch day. Ties go to the launch with the better daily rank. Every launch is counted once, in the category its makers listed first.

How do I reach the makers of these Chrome Extensions?

Each launch links to its page on Junior, with the people behind it (29 makers across this list). Junior adds their verified work emails, LinkedIn and X profiles for subscribers.