Browser extensions

Sleek’s team will deliver a custom browser extension with your branding. By default all browser extensions include the following details:

• Accessibility (a11y): Sleek ensures that all browser extensions are WCAG 2.1 compliant.
• Performance: Sleek ensures that all browser extensions are optimized for performance, using internal benchmarks for browser extension performance and best practices.
• Security: Sleek ensures that all browser extensions are secure by using principles of least privilege and strict guarantees for code isolation and data privacy.

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Supported platforms

• 💻 Desktop

  • Chrome (v. 88+)
  • Firefox (v. 109+)
  • Safari (v. 15.4+)
  • Edge (v. 88+)
  • Opera (v. 74+)

• 📱 Mobile

  • iOS Safari (v. 15+)

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Supported features

Sleek custom browser extensions support the following feature sets:

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💰 Cashback and deals

Users can earn cashback and rewards on their purchases when they shop through your custom browser extension. Rewards on the fly with user experiences that are light and delightful, right on the checkout page and search engine result page.

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🎫 Coupon auto-apply

Users can automatically apply coupons at checkout with your custom browser extension. Reward users with discounts, with Sleek handling the application of coupon codes, finding the best code for a basket, and the tracking of the discount.

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🪄 Checkout autofill

Users can autofill their checkout details with your custom browser extension. Make the checkout process seamless, with Sleek handling the filling of user details and card information.