CHOOSELY.AI
Customize How A Website Looks And Works With Natural Language
Use Sider for customize how a website looks and works with natural language when you want fast execution, high ease of use, and medium output quality.
Productivity & automation
Sider
By sider.ai
Sider is a strong fit for persistently hiding, rearranging or augmenting elements on websites without writing userscripts, with a profile optimized for beginner users who value high ease-of-use and medium output quality.
Best for: Persistently hiding, rearranging or augmenting elements on websites without writing userscripts
What it is
Established multi-model browser assistant whose Sider Code feature can reshape the layout and behavior of visited websites with natural-language instructions and remember those customizations for future visits.
In Choosely terms, this sits in the productivity & automation lane and is commonly selected for persistently hiding, rearranging or augmenting elements on websites without writing userscripts and summarizing and restructuring dense pages while staying in the browser.
Pricing
Free plan
Check official pricingThe browser extension and Sider Code can be installed and tried free. Paid plans add credits, stronger cloud-computer capacity and higher usage across Chat, Claw, Code and Create, but the official public pricing page currently does not expose a stable USD starting price. Check the official plan selector before purchase.
Basis: UnknownConfidence: UnknownLast checked: September 2026
Why people pick it vs where it falls short
Why people pick it
- Sider Code can add actions, restructure content, extract information and persist changes for a site
- Mature cross-platform product with a large installed browser-extension base
- Combines page understanding, multi-model chat and optional browser action in one family
Where it falls short
- The main extension handles website content and personally identifiable information, so broad browser access needs a serious permission and privacy review
- Generated page changes can break when a site updates and should not be trusted for safety-critical or transactional workflows without review
- Official web pricing currently exposes plan features and credit limits without a stable public USD starting price
When it is a strong fit
A strong match when your main priority is persistently hiding, rearranging or augmenting elements on websites without writing userscripts and you need a beginner-friendly starting point.
Useful when your team values high ease of use and fast execution over heavier setup.
Best when medium quality matters, but you still want a practical workflow rather than a complex implementation track.
How it compares in Choosely terms
- Speed profile: Fast. This is best when you want momentum from prompt to usable output without heavy process overhead.
- Ease profile: High for Beginner users. You can move quickly even if this is not your full-time specialty.
- Control profile: Medium. Expect practical customization, but not an infinite-control architecture.
- Pricing signal: Free plan. Good for teams balancing capability with cost sensitivity.
Tradeoff: The main extension handles website content and personally identifiable information, so broad browser access needs a serious permission and privacy review.
Best-fit use cases
Practical ways Sider fits the current Choosely catalog profile.
Persistently Remove Distractions Or Add Actions To A Webpage
Use Sider for persistently remove distractions or add actions to a webpage when you want fast execution, high ease of use, and medium output quality.
Turn A Dense Discussion Page Into A Structured Reading View
Strong laneUse Sider for turn a dense discussion page into a structured reading view when you want fast execution, high ease of use, and medium output quality.
Browser Assistant That Understands And Reshapes The Current Page
Strong laneUse Sider for browser assistant that understands and reshapes the current page when you want fast execution, high ease of use, and medium output quality.
Alternatives
Axiom.ai
No-code browser automation tool for recording and running website workflows, clicks, form filling, scraping, and repetitive browser tasks.
Choose Axiom.ai when your primary need is no-code browser automation.
ChatGPT Atlas
Browser-resident ChatGPT experience for web-native multi-step tasks, online research, comparisons, and browser execution workflows.
Choose ChatGPT Atlas when your primary need is browser-native workflows.
Perplexity Comet
Perplexity's AI browser for web research, tab-aware synthesis, and assistant-style tasks directly inside the browsing workflow.
Choose Perplexity Comet when your primary need is ai browser workflows.
Browser Use
Open-source browser-agent framework and cloud API for agents that need to operate websites, control browsers, and complete web tasks programmatically.
Choose Browser Use if you need more control than Sider usually gives.
Next step
Install the main extension, review its site-access permissions, test one reversible customization on a non-sensitive page, and verify the change still behaves safely after a page refresh before enabling broader browser automation.
Related reads
FAQ
What is Sider best for?
Sider is best for persistently hiding, rearranging or augmenting elements on websites without writing userscripts, summarizing and restructuring dense pages while staying in the browser, user-approved browser tasks that work with existing signed-in sessions.
Is Sider beginner-friendly?
This catalog profile lists Sider at beginner skill level with high ease of use.
What should I watch out for before choosing Sider?
The main extension handles website content and personally identifiable information, so broad browser access needs a serious permission and privacy review