Introducing 1-click browser extension for linking web sites to FDA regulations!


Chrome Browser Extension
for Quality and Safety Professionals

Example - FDA Warning Letter

Download from Google Store

21 CFR 21 USC 42 USC
Auto-link references to regulations Supported Supported Supported
Smart detection - eg: CFR, C.F.R. Supported Supported Supported
Link directly to sub-sections Supported N/A N/A
Sub-section highlight Supported

Easy to Use

Just click the link

All detected references are linked to relevant regulations: CFR or USC

Smart detection

Extension detects dozens of formats, eg:

  • 21 CFR Part 117, Subpart B
  • 21 CFR 123.6 (c)(3)
  • 21 C.F.R. ยง 1100.1
  • 21 CFR 111.210(h)(3)(ii)(A)

CFR sub-sections links and highlights

CFR references are linked directly to CFR sub-sections. For example, a specific section is linked and highlighted.

21 CFR 10.115(g)(5)


Install from official Chrome browser web store

Open Chrome Web Store


Right mouse click on extension icon to enable extension for a) all sites (easiest) b) selected sites c) on-click


FDA2 21 extension linked to the official CFR and USC regulations. Regulations are periodically updated. Extension is also updated when regulations sources and formats are changing.

Enhanced references

USC site style is enhanced for better readability


Saves MINUTES for every doc

Without FDA 21 extension - it takes 20 seconds or more to search for related regulation. Some documents have a few dozen references - and it could be a mix of CFRs and USCs.

Saves HOURS every month

Extension saves minutes every day and hours of productive time every month


$48/year ($4/mo)

Annual Professional subscription. Paid with any major Credit Card

Subscription includes all FDA 21 extension updates: new regulations, improving code detection, best regulation sources, etc.


FDA 21 extension menu includes secure credit card payment (via Stripe).

Review status

Click on extension icon to review license status with 1 click.

Download from Chrome Store