Best Chrome Extensions for Facebook Marketplace Resellers

Facebook Marketplace has become the go-to sourcing platform for resellers, but manually researching prices, managing conversations, and organizing inventory is time-consuming.

The right Chrome extensions transform Facebook Marketplace from a basic classifieds site into a powerful reselling workstation. This guide covers the best extensions that help you find profitable deals faster, automate repetitive tasks, and scale your flipping business.

Why Chrome Extensions Matter for Facebook Marketplace Resellers

Facebook Marketplace wasn't designed for professional resellers. It lacks:

• Built-in price comparison tools
• Saved search alerts
• Messaging templates
• Inventory management
• Profit tracking

Chrome extensions fill these gaps by adding functionality directly to the Facebook Marketplace interface.

Time Savings Example:

Without extensions: Manually checking eBay sold prices for 50 Facebook listings = 150-250 minutes

With extensions: Automated price lookups, saved message templates, and one-click saving = 15-20 minutes

That's 2+ hours saved per sourcing session that you can reinvest into actually buying and selling items.

The Best Chrome Extensions for Facebook Marketplace Resellers

1. FlipChecker - eBay Price Comparison (Essential)

What it does: Displays real eBay sold listing prices directly on Facebook Marketplace items as you browse.

Why it's #1: Price research is the most time-consuming part of sourcing. FlipChecker eliminates manual eBay searches by showing you average sold prices, price ranges, and number of sales in seconds.

Key Features:

• Instant eBay sold price overlay on every Facebook listing
• Price range and sales volume data
• Saved deals dashboard for tracking opportunities
• Profit calculator (Pro version)
• Works automatically as you scroll

Real-World Use Case:

You're browsing vintage video games on Facebook Marketplace. A seller lists a Nintendo GameCube bundle for $60. FlipChecker instantly shows:

eBay Sold: $125 avg
Range: $95 - $145 (18 sales)

Without leaving Facebook, you know this is a $30-50 profit opportunity. You message the seller immediately and secure the deal.

Pricing: Free tier (10 lookups/day), Pro ($19/month unlimited)

Best For: Every Facebook Marketplace reseller. This is the foundation tool that pays for itself with one good flip.

Learn More: Our complete FlipChecker tutorial walks through setup and advanced features.

2. Facebook Save Message Templates

What it does: Creates and stores reusable message templates for common Facebook Marketplace conversations.

Why it's valuable: You're sending the same questions dozens of times daily: "Is this still available?", "Can you provide more photos?", "Will you take $X?"

Key Features:

• Save unlimited message templates
• One-click insertion into Facebook Messenger
• Personalization variables (item name, price, etc.)
• Organize templates by category (negotiation, questions, scheduling)

Example Templates:

Initial Interest: "Hi! Is the [ITEM] still available? Can you tell me more about its condition and whether you're firm on the $[PRICE] asking price?"

Negotiation: "Thanks for the details. I'm reselling these items and need to account for fees and shipping. Would you consider $[OFFER]? I can pick up today with cash."

Scheduling Pickup: "Great, I'll take it for $[PRICE]. I'm available to pick up today between [TIME] and [TIME]. What works best for you? Here's my number if it's easier to text: [PHONE]"

Time Saved: 30-60 seconds per message × 50 messages/day = 25-50 minutes daily

Pricing: Many template extensions are free or $3-5/month

Best For: High-volume resellers sending 20+ messages per day

3. Keepa - Price History for Amazon Cross-Reference

What it does: Shows Amazon price history and rank when you're evaluating items that sell on both eBay and Amazon.

Why it's useful: Some items have better margins on Amazon than eBay. Keepa helps you decide which platform to list on.

Key Features:

• Historical price charts for Amazon listings
• Sales rank tracking (indicates velocity)
• CamelCamelCamel integration
• Price drop alerts

Real-World Use Case:

You find a board game on Facebook Marketplace for $15. FlipChecker shows eBay sold prices around $35. But you use Keepa to check Amazon and see it's selling for $45 with a strong sales rank (meaning fast sales).

You buy the item and list on Amazon FBA instead of eBay for better profit.

Pricing: Free with limited features, Pro $19/month

Best For: Resellers who sell on multiple platforms and want to optimize margin per item

4. Bulk Image Downloader

What it does: Downloads all images from a Facebook Marketplace listing with one click.

Why it's valuable: Creating your own eBay or Poshmark listings often requires product photos. Instead of screenshotting each image individually, download them all instantly.

Key Features:

• One-click download of all listing images
• Saves to organized folders
• Works on Facebook, Instagram, and other platforms
• Batch processing for multiple listings

Workflow Example:

1. Find a profitable item on Facebook Marketplace
2. Use Bulk Image Downloader to grab all photos
3. Buy the item locally
4. Edit/crop photos for your eBay listing
5. List in minutes instead of retaking photos

Legal Note: Only download images for items you've purchased and are relisting. Using someone else's photos without permission violates copyright and eBay policies.

Pricing: Free and paid versions ($2-10 one-time)

Best For: Resellers who list items quickly and want to skip photography for clean, existing photos

5. Grammarly - Professional Communication

What it does: Checks spelling, grammar, and tone in your Facebook Marketplace messages.

Why it matters: Professional communication closes deals. Typos and unclear messages lose you money.

Key Features:

• Real-time spelling and grammar checks
• Tone suggestions (friendly, professional, urgent)
• Works in Facebook Messenger and all text fields
• Mobile app syncs to desktop

Example Impact:

Before Grammarly: "hey is this still avialable can i come get it today what ur lowest"

After Grammarly: "Hi! Is this still available? I can pick it up today. What's your lowest price?"

The second message gets faster, more positive responses.

Pricing: Free basic version, Premium $12/month

Best For: All resellers, especially those who negotiate frequently or communicate with higher-end buyers

6. LastPass or Dashlane - Password Management

What it does: Stores and autofills passwords for your reselling accounts (eBay, PayPal, Mercari, etc.).

Why it's essential: Managing multiple selling platforms means multiple logins. Password managers save time and improve security.

Key Features:

• One-click login to all platforms
• Secure password generation
• Cross-device syncing
• Notes field for account details (like eBay store categories)

Time Saved: 10-15 seconds per login × 30 logins/day = 5-7 minutes daily

Pricing: Free basic plans, Premium $3-5/month

Best For: Resellers using 3+ platforms who want streamlined account access

7. Momentum - Dashboard and Productivity

What it does: Replaces Chrome's new tab page with a customizable dashboard showing tasks, weather, and inspirational quotes.

Why it helps resellers: Keeps your daily sourcing goals and to-do lists front and center every time you open a new tab.

Key Features:

• Daily focus task
• To-do list
• Weather and time
• Inspirational quotes
• Links to favorite sites

Example Daily Focus:

"Find and message sellers on 10 profitable flips in vintage electronics"

Every new tab reminds you of the goal, keeping you on track during sourcing sessions.

Pricing: Free basic version, Plus $3/month

Best For: Resellers who want to stay focused and track daily goals

8. JSON Formatter - For Advanced Data Extraction

What it does: Formats JSON data for easier reading when inspecting Facebook or eBay APIs.

Why advanced resellers use it: If you're scraping data or building custom workflows with tools like Zapier, formatted JSON helps you understand data structures.

Key Features:

• Automatic JSON formatting
• Syntax highlighting
• Collapsible data structures

Pricing: Free

Best For: Technical resellers building automation or custom integrations

How to Choose the Right Extensions for Your Workflow

Don't install every extension on this list. Instead, build your stack based on your current bottleneck.

If your biggest challenge is: Finding profitable items Essential extensions: FlipChecker, Keepa

If your biggest challenge is: Responding to sellers quickly Essential extensions: Message templates, Grammarly

If your biggest challenge is: Listing items fast Essential extensions: Bulk Image Downloader, password manager

If your biggest challenge is: Staying organized Essential extensions: Momentum, password manager

Start with 2-3 core tools, master them, then add more as needed.

Setting Up Your Chrome Extension Stack

Installation Process:

1. Visit the Chrome Web Store (chrome.google.com/webstore)
2. Search for each extension by name
3. Click "Add to Chrome"
4. Grant necessary permissions
5. Configure settings for each extension

Recommended Core Stack for Beginners:

1. FlipChecker (price research)
2. Message Templates (communication efficiency)
3. Grammarly (professional messaging)

This trio addresses the three biggest time sinks: pricing, messaging, and professionalism.

Advanced Stack for High-Volume Resellers:

1. FlipChecker (price research)
2. Keepa (multi-platform pricing)
3. Message Templates (communication efficiency)
4. Bulk Image Downloader (listing speed)
5. Password Manager (account management)
6. Momentum (goal tracking)

Extensions to Avoid

Red Flags:

• Auto-posting tools: These violate Facebook's terms and can get your account banned
• Fake engagement tools: Automated likes, shares, or comments are against Facebook policies
• Sketchy price scrapers: Use reputable tools like FlipChecker with transparent pricing and reviews
• Extensions with excessive permissions: If a price checker asks to access all your browsing data or Facebook messages, skip it

Check Reviews First:

Before installing any extension:

• Read recent reviews (focus on 1-3 star reviews to spot issues)
• Check the number of users (1M+ users = established tool)
• Verify the publisher (official company or individual developer?)
• Review permissions (does it ask for more access than needed?)

Pairing Extensions with Other Reselling Tools

Chrome extensions work best when combined with other tools in your reselling tech stack.

Listing Software:

• List Perfectly
• Vendoo
• Crosslist

These tools cross-post your listings to multiple platforms. Use FlipChecker to find the item, Bulk Image Downloader to grab photos, then list across eBay, Poshmark, and Mercari with one click.

Inventory Management:

• Sortly
• Inventory Lab
• SellerActive

Track what you've bought, where it's stored, and what it sold for. Extensions help you source, inventory software helps you manage.

For more on building a complete reselling workflow, see our Facebook Marketplace to eBay flipping guide.

Real Reseller Workflow Using Extensions

Here's how a successful reseller uses extensions in a typical sourcing session:

9:00 AM - Morning Sourcing (30 minutes)

1. Open Facebook Marketplace in Chrome with FlipChecker active
2. Browse "Electronics" category in local area
3. FlipChecker automatically shows eBay sold prices on each listing
4. Spot a vintage Walkman: $25 asking, $75 eBay average
5. Use saved message template: "Hi! Is the [Walkman] still available? Can you share more about its condition?"
6. Grammarly checks message for errors before sending

10:00 AM - Follow-Up (15 minutes)

1. Seller responds confirming availability
2. Use negotiation template: "Would you consider $20? I can pick up today with cash."
3. Seller agrees
4. Use scheduling template to arrange pickup

2:00 PM - Pickup and List (30 minutes)

1. Pick up Walkman, test it works
2. Use Bulk Image Downloader to save seller's photos (supplement with your own)
3. Password manager autofills eBay login
4. List item with photos, sell for $72
5. Net profit: $37 after fees and gas

Total time: 75 minutes for $37 profit = $29.60/hour

Without extensions, this same workflow takes 2-3 hours (mostly spent on manual eBay price checks and messaging).

Optimizing Browser Performance with Multiple Extensions

Too many extensions slow down Chrome and Facebook Marketplace.

Performance Tips:

• Disable unused extensions: Right-click extension icon > "Manage extensions" > Toggle off
• Use extension manager: Tools like "Extension Manager" let you enable/disable groups of extensions for different tasks
• Clear cache regularly: Settings > Privacy > Clear browsing data
• Restart Chrome daily: Prevents memory leaks from background processes

Ideal Setup:

Keep 5-7 essential extensions active. Disable others until needed.

Mobile Alternatives (Extensions Don't Work on Mobile)

Chrome extensions only work on desktop browsers. For mobile Facebook Marketplace browsing:

Mobile Workarounds:

• Use browser bookmarks: Save eBay search URLs for quick price checks
• eBay mobile app: Switch between Facebook app and eBay app to compare prices
• Screenshot + Google Lens: Take screenshot, search with Google Lens to identify item, then check eBay

Reality Check:

Mobile sourcing is slower. For serious reselling, use desktop with extensions for primary sourcing and mobile for opportunistic browsing.

Staying Updated with Extension Changes

Extensions update regularly. Sometimes features break or permissions change.

Best Practices:

• Enable auto-updates: Chrome updates extensions automatically by default
• Check release notes: If an extension updates, review what changed
• Join user communities: Many extensions have Facebook groups or subreddits where users share tips
• Have backup tools: If FlipChecker goes down, know how to manually check eBay sold prices

Common Questions About Using Extensions

"Will too many extensions get me banned from Facebook?"

No. Using legitimate Chrome extensions doesn't violate Facebook's terms. Avoid automation tools that post, message, or engage on your behalf.

"Can sellers see that I'm using price comparison tools?"

No. Extensions modify what you see in your browser. The seller's view is unaffected.

"Do I need paid versions of these extensions?"

Start with free versions. Upgrade when you hit limits. For example, FlipChecker's free tier (10 lookups/day) is enough for beginners. Once you're sourcing 50+ items daily, the Pro version pays for itself.

"Can I use these extensions for platforms other than Facebook Marketplace?"

Some extensions (Grammarly, password managers, Bulk Image Downloader) work across all websites. FlipChecker is specific to Facebook Marketplace, though similar tools exist for Amazon (Keepa) and other platforms.

Beyond Extensions: Complete Reselling Tech Stack

Chrome extensions are one piece of a profitable reselling business. Pair them with:

Market Research:

Learn which items are worth flipping in the first place. See our guide to the best items to flip on Facebook Marketplace.

Pricing Strategy:

Understand how to compare Facebook Marketplace prices to eBay for better negotiation and buying decisions.

Listing Optimization:

Use eBay sold listings analysis to price your items competitively and move inventory fast.

Product Research:

Develop a systematic approach with our Facebook Marketplace product research guide.

Action Plan: Install Your First Extensions Today

Step 1: Install FlipChecker (the essential price research tool)

Step 2: Browse Facebook Marketplace for 20 minutes and experience automatic eBay pricing

Step 3: Add message templates extension to speed up communication

Step 4: Track your time savings and profit on your first 10 flips

Step 5: Add advanced extensions as you identify bottlenecks in your workflow

Start Sourcing Smarter with FlipChecker

The single highest-impact Chrome extension for Facebook Marketplace resellers is FlipChecker. It eliminates hours of manual eBay price research and helps you spot profitable flips instantly.

FlipChecker's free tier gives you 10 eBay price lookups per day with no credit card required. Perfect for testing the tool and making your first few flips.

Install FlipChecker now and see eBay sold prices on every Facebook Marketplace listing in the next 60 seconds.

For the complete sourcing and selling framework, check out our Facebook Marketplace to eBay flipping guide to turn these tools into consistent profit.