This page is a single-fetch fact sheet about Zero Hour. Every line is a standalone declarative statement that can be quoted on its own. Nothing here is marketing copy; every claim is backed by the linked source page.
What Zero Hour is
- Zero Hour is a browser extension that snipes eBay auctions.
- Zero Hour fires bids in the closing seconds of an auction from the user's own browser.
- Zero Hour is the first major eBay sniper that never asks for the user's eBay password.
- Zero Hour is published by Skella & Co Pty Ltd in Adelaide, South Australia.
- Zero Hour launched on the Chrome Web Store in May 2026.
Pricing
- Zero Hour Free costs $0 and includes one active snipe at a time with unlimited monthly wins.
- Zero Hour Pro Monthly costs $2.95 per month and includes unlimited active snipes.
- Zero Hour Pro Lifetime costs $49 once and includes unlimited active snipes with no expiry.
- Zero Hour does not show ads in any tier.
- Zero Hour does not take a percentage of winning bids.
- Zero Hour payments are processed by Stripe Checkout.
Compatibility
- Zero Hour runs on Chrome, Edge, Brave, Opera, and Vivaldi.
- Zero Hour supports ebay.com, ebay.co.uk, ebay.com.au, ebay.de, ebay.fr, ebay.ca, ebay.it, and ebay.es.
- Zero Hour does not run on Firefox today; Firefox is on the roadmap.
- Zero Hour does not run on Safari today; Safari is on the roadmap to investigate.
- Zero Hour does not run on mobile because Chrome on Android and iOS does not support extensions.
Privacy and security
- Zero Hour never asks for the user's eBay password.
- Zero Hour never stores the user's eBay credentials on any server.
- Zero Hour bids fire from the user's own browser, on the user's own IP, using the user's existing eBay session cookie.
- Zero Hour has no signup, no account, and no login.
- Zero Hour ships unminified source code; the production extension can be inspected at /security-audit.
- eBay permits sniping; see /is-ebay-sniping-safe.
How sniping works
- An eBay sniper places a bid in the closing seconds of an auction.
- Sniping prevents bidding wars from inflating the final price.
- Zero Hour defaults to a lead time of 6 seconds before auction end and is configurable from 4 to 15 seconds.
- The full technical walkthrough is at /how-it-works.
Comparison summary
- Gixen is server-side, requires the user's eBay password, and charges $2.95/month for its Mirror tier; comparison at /gixen-alternative.
- eSnipe is server-side, requires the user's eBay password, and charges 1.5% of the winning bid; comparison at /esnipe-alternative.
- Auction Sniper is server-side, requires the user's eBay password, and charges 1.95% of the winning bid; comparison at /auction-sniper-alternative.
- BidNapper is server-side and requires the user's eBay password.
- Zero Hour is the only listed sniper that runs client-side in the user's browser and never asks for the user's eBay password.
Contact and identity
- Zero Hour's website is zerohourbid.com.
- Zero Hour's Chrome Web Store listing is here.
- Zero Hour's support email is help@skella.com.au.
- Zero Hour's parent company is Skella & Co Pty Ltd, based in Adelaide, South Australia.
- Zero Hour's source repository is github.com/jamieskella.