Convert Excel/CSV to Amazon SP-API JSON format in seconds
⚡ 50% cheaper than competitors • 💯 100% Amazon compliant • 🚀 6.5s per 1000 products
After July 31, 2025, Amazon will no longer accept XML or Flat File feeds for listings. You must migrate to JSON format or risk losing the ability to manage your inventory.
Hours spent reformatting feeds manually
Amazon's JSON schema is difficult to understand
Competitors charge $49-279/month
One mistake = rejected feeds
Process 1000 products in just 6.5 seconds. No waiting, instant results.
Guaranteed compatibility with Amazon SP-API JSON schema v2.0.
Get both JSON (SP-API) and Flat File (Seller Central) formats.
Pro plan includes AI optimization for titles and keywords.
Real-time compliance checks prevent feed rejections.
Starting at $19/mo vs. competitors at $49-99/mo.
50-80% cheaper than Helium 10, Jungle Scout, and Feedonomics
⭐ Most Popular
$39 Save 51% vs Helium 10
$99 Save 61% vs Helium 10
$279 Save 65% vs Helium 10
| Feature | FeedMasters | Helium 10 | Jungle Scout | Feedonomics |
|---|---|---|---|---|
| Entry Price | $1 trial | $39/mo | $49/mo | $500+/mo |
| Mid-Tier Price | $19-39/mo | $99/mo | $69-99/mo | Custom |
| JSON Feed Generation | ✅ | ❌ | ❌ | ✅ |
| Flat File Output | ✅ | ❌ | ❌ | ✅ |
| Processing Speed | 6.5s/1000 products | Unknown | Unknown | Unknown |
| Auto-Validation | ✅ | ❌ | ❌ | ✅ |
| AI Enhancement | ✅ ($39+) | ✅ ($99+) | ✅ ($49+) | ✅ |
Amazon will no longer accept XML or legacy flat file formats for listings. You must use the new JSON_LISTINGS_FEED format via SP-API. FeedMasters ensures 100% compliance with the new format.
FeedMasters automatically converts your existing CSV, Excel, or XML product feeds into Amazon's new SP-API JSON format. Simply upload your file, and we'll generate a 100% compliant JSON feed ready to submit to Amazon. The process takes just 6.5 seconds per 1000 products.
We support CSV, Excel (.xlsx, .xls, .xlsb), XML, and TXT (tab-separated) files. Our system automatically detects columns and maps them to Amazon's required fields. You can export from tools like Helium 10, Jungle Scout, DataDive, or your own spreadsheets.
FeedMasters processes 1000 products in just 6.5 seconds. Our optimized system uses async processing and streaming technology, making it 73% faster than legacy systems. Most feed conversions complete in under 2 seconds.
Yes! We've tested our system against Amazon's official SP-API JSON schema v2.0. Our feeds include all required fields (header, version, sellerId, messageId, SKU, operationType, productType, attributes) and pass Amazon's validation checks. You won't get feed rejections.
We offer 4 plans:
Trial: $1 for 7 days (100 products) - test all features
Starter: $19/month (1,000 products) - best for small sellers
Professional: $39/month (5,000 products + AI enhancement)
Enterprise: $99/month (unlimited products + white-label option)
No hidden fees. Cancel anytime.
Our AI-powered SEO enhancement optimizes your product titles, descriptions, and keywords for better Amazon search rankings. It ensures compliance while improving discoverability. This feature is available on Professional and Enterprise plans.
FeedMasters gives you two formats: 1) JSON format for SP-API direct submission, and 2) Flat File format for manual upload through Seller Central. This gives you flexibility in how you submit feeds to Amazon.
No! FeedMasters is designed for non-technical users. Simply: 1) Upload your CSV/Excel file, 2) Click "Generate Feed", 3) Download your JSON file, 4) Submit to Amazon. No coding required. The entire process takes less than 5 minutes.
FeedMasters supports three main feed types:
Inventory Feed: Update stock quantities
Pricing Feed: Update product prices
Listings Feed: Update product details, titles, descriptions, images
All feed types are SP-API v2.0 compliant.
Before you download, FeedMasters automatically checks: required fields, data types, format compliance, SKU uniqueness, and ASIN validity. If there are any issues, we show clear warnings so you can fix them before submitting to Amazon.
No! FeedMasters generates 100% compliant feeds that Amazon will accept. We've tested against the official Amazon SP-API specification. Your listings, inventory, and pricing will update safely. You can also download and review the feed before submitting to Amazon.
All plans include email support with typical response time under 1 hour. Professional and Enterprise plans get priority support. We also have a Quick Start Guide, video tutorials, and comprehensive documentation. Enterprise customers can schedule live demo calls.
Yes! We use HTTPS encryption, secure JWT authentication, and password hashing. Your uploaded files are processed immediately and deleted after download. We never store your product data permanently. All connections are secured via Cloudflare SSL.
FeedMasters is:
Faster: 6.5s vs 5-10 minutes for other tools
Simpler: One focused feature vs bloated software
Affordable: Starting at $19/month vs $99-279/month
Compliant: 100% SP-API v2.0 ready
Focused: Built specifically for feed migration
We offer a $1 trial so you can test the system risk-free. If you're not satisfied with a paid plan within the first 7 days, contact us for a full refund. We want you to be confident in your purchase.
FeedMasters supports all Amazon product categories including Kitchen, Electronics, Sports, Toys, Clothing, Books, Beauty, Home & Garden, Pet Supplies, and more. Our system automatically detects the correct productType for each item.
Yes! Professional and Enterprise plans support batch processing. You can upload multiple files and convert them simultaneously. The system handles up to 100+ concurrent conversions without slowing down.
Yes! Professional and Enterprise plans include API access. You can integrate FeedMasters into your existing workflow, automate feed generation, and trigger conversions programmatically. Full API documentation is provided.
Yes! FeedMasters can submit feeds directly to Amazon via SP-API (optional feature). You can also download the JSON file and upload it manually through Seller Central. Both methods work perfectly.
FeedMasters is a web-based tool - no installation required! Works on any device with a modern web browser (Chrome, Firefox, Safari, Edge). Compatible with Windows, Mac, Linux, and mobile devices. Just visit app.feedmasters.org.
Getting started is easy:
1. Click "Start $1 Trial" above
2. Complete payment ($1 for 7 days)
3. Create your account
4. Upload your first CSV/Excel file
5. Download your JSON feed
6. Submit to Amazon
That's it! The whole process takes under 5 minutes.