Search 3 million products from Open Food Facts. Check ingredient lists against known non-kosher items. Always verify packaging for a kosher symbol.
Checking if a product is kosher shouldn't require reading every ingredient on a tiny label. This tool makes ingredient research faster and easier.
Non-kosher ingredients like gelatin, shellac, and animal enzymes hide in plain sight on product labels. This tool flags them instantly.
Manually reading every ingredient, looking up E-numbers, and cross-referencing lists takes time. This tool does it in seconds.
Filtered smartphones with no app stores have limited food research tools. KashrutChain works in any browser with no install required.
No account. No download. Just search, check, and decide.
Type a product name or barcode on any device — iPhone, Android, kosher phone, or desktop.
We query Open Food Facts and flag any known non-kosher or caution ingredients in the list.
Each ingredient is flagged as safe, needs review, or non-kosher. Read the disclaimer and always check the physical packaging.
Every feature solves a problem that kosher-observant people face every single day.
Search 3 million products by name or barcode. Get ingredient lists and flagged items instantly.
Paste any ingredient list directly to get an instant breakdown. No internet required for the ingredient analysis mode.
Flags hidden non-kosher ingredients like gelatin, shellac, animal enzymes, glycerin, wine-derived additives, and more.
PWA runs on kosher phones, iOS Safari, Android Chrome, and desktop. No app store required.
Copy any ingredient list from a product label and paste it in for instant analysis without needing to search.
Type any barcode number to look up the exact product and see its ingredient analysis instantly.
"I used to read every ingredient on every label manually. Now I just look it up here first. Makes shopping so much faster."
"Works perfectly on my kosher phone. No app store needed. I use it to quickly check ingredients before I buy."
"The ingredient analysis caught gelatin in a product I thought was kosher. Potentially saved me from a serious mistake."
Search products or paste ingredient lists. No signup. No fees.