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Sider Black Friday Cashback Offers & Discounts

Get up to 73.5% of the price back with our Sider Black Friday cashback offers

Sign up for free and just shop with Sider as normal. Our average member earns over £300 cashback a year.

How does TopCashback make money?
How does cashback work?
Will it cost me anything?
When will I actually get my cashback?
Members

25M members worldwide

TrustPilot logo, 4.5 out of 5 rating

Our customers love us!

How much cashback can you get?

Sider Cashback

First Monthly Subscription
73.5%
Annual Subscription
15.75%

Sider AI is an all-in-one AI assistant designed to help you quickly understand and create anything across the web and your documents.

Key Features:
• #1 AI Extension on Chrome Web Store with over 10M active users
• Multiple AI Models – Access GPT, Claude, Gemini, Grok, and DeepSeek in one place
• Side-by-side Comparison – Compare answers from different models
• Chat with Anything – PDFs, webpages, images, audio, and more
• Translation – Text, video, and documents into 50+ languages
• Deep Research – With citations and sources
• AI Knowledge Base – Build and organize your information
• Content Creation – Generate articles, slides, images, and no-code websites

Availability:
Cross-platform support on Chrome, Edge, iOS, Android, macOS, and Windows

Read more

Cashback exclusions and terms

Exclusions
  • Use of a promotional/voucher code not posted and approved by TopCashback.
Terms
  • Cashback is calculated for the item(s) price only, not including VAT, delivery or other fees.
  • Should your cashback fail to track automatically, please submit a 'Missing Cashback' claim within 100 days of your order.

See also our general terms & conditions.

By joining you agree to our terms & conditions and privacy policy