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BrowSync
Cross-Browser Routing & Sync Hub
BrowSync is a native macOS app built for people who use more than one browser. It connects Safari, Chromium-based browsers, and Firefox, letting you sync bookmarks, tabs, cookies, and local browser state while also routing links to the right browser based on rules. Everything runs locally on your device through a local daemon, so your browsing data stays on your Mac instead of being sent to external servers.
I made BrowSync because I was tired of my browser setup being a mess.
Like a lot of people, I don’t use just one browser. I might use Safari for personal browsing, Chrome for work apps, and Firefox for testing or separate accounts. But the experience across them always felt fragmented: bookmarks got out of sync, sessions lived in the “wrong” browser, and opening links where I actually wanted them took too many extra steps.
BrowSync is my attempt to fix that.
It’s a native macOS app that helps multiple browsers work together. You can route links to different browsers with rules, sync bookmarks, keep browser state aligned locally, and carry your setup across Macs with iCloud.
One thing I cared about from the beginning was keeping it local-first. BrowSync runs on your Mac and keeps browsing data on your device, instead of pushing everything through an external server.
What started as a browser routing tool gradually turned into something bigger: a cross-browser workflow tool for people who live in multiple browsers every day.
If that sounds like you, I’d really love your feedback:
What’s the most annoying part of using multiple browsers today?
About BrowSync on Product Hunt
“Cross-Browser Routing & Sync Hub”
BrowSync was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #124 on the daily leaderboard. BrowSync is a native macOS app built for people who use more than one browser. It connects Safari, Chromium-based browsers, and Firefox, letting you sync bookmarks, tabs, cookies, and local browser state while also routing links to the right browser based on rules. Everything runs locally on your device through a local daemon, so your browsing data stays on your Mac instead of being sent to external servers.
On the analytics side, BrowSync competes within Safari Extensions, Browser Extensions, Productivity and GitHub — topics that collectively have 707.4k followers on Product Hunt. The dashboard above tracks how BrowSync performed against the three products that launched closest to it on the same day.
Who hunted BrowSync?
BrowSync was hunted by Tao Chen. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of BrowSync including community comment highlights and product details, visit the product overview.
Tao Chen