Extensions for usps.com
9 browser extensions built for usps.com. Compare features, permissions, and safety across Chrome, Firefox, and Edge.
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Chrome Web StoreJellySell: The Fastest Way to Sell Online
Marketplace management for eBay, Etsy, Mercari, Depop, & Vinted
Chrome Web StoreWhere's My Package?
"Fixes" boring delivery status messages. Adds a bit of fun to your package tracking experience.
Chrome Web StoreShipping Label Filler
Parse HR onboarding emails and fill shipping label forms — stays open as a side panel
Firefox Add-onsUse the USPS postage calculator w/o its Javascript
Allows you to use the USPS postage price calculator at postcalc.USPS.com on IceCat without disabling LibreJS or running the website's Non-free Javascript.
Firefox Add-onsWorkarounds for nonfree JS
A collection of work-around scripts for a few different websites that are impossible to use without non-free JavaScript.
Firefox Add-onsCube
Read the scale weight from the cube's scale and then send it to the browser.
Chrome Web StoreGala Shipping Insurance
Reads the USPS insuredValue field and shows insurance on-page.
Chrome Web StorePostal Assistant
Virtual assistant for postal and shipping services. Independent project, not affiliated with any postal service.
Chrome Web StoreJellySell: The Fastest Way to Sell Online
Marketplace management for eBay, Etsy, Mercari, Depop, & Vinted