Customize any website with plain words

Make any site look and work the way you want — no coding, no extra tools, no waiting on anyone

10M+Active users
100K+5-star ratings
Editors' PicksChrome · 2026
Favorites of the YearChrome · 2025

Your browser, rewritten around your workflow.

Most websites are built for everyone. Sider Code lets you reshape them for the way you read, watch, research, and work.

Reddit Comment Summary

Bring hundreds of Reddit comments into a clear overview, so the key viewpoints and useful insights are easier to find.

X Thread Read Mode

Turn scattered X posts into a clean article with a table of contents for easier reading and navigation.

Google Docs Dark Mode

Turn bright documents into a darker, calmer workspace that is easier on your eyes during long writing sessions.

Hacker News Debate View

Restructure noisy comment threads into a clearer debate flow so different positions are easier to compare.

Wattpad Reading Mode

Clean up clutter and reshape long chapters into a more comfortable reading layout.

YouTube Shorts Removal

Remove the Shorts shelf from YouTube so you can focus on the videos you came to watch.

How Sider Code changes a page

Describe the change

1
Describe the change

Tell Sider Code what you want in your own words.

Watch the page update

2
Watch the page update

Sider Code understands the page structure, applies the change, and shows the updated page immediately.

Keep it for next time

3
Keep it for next time

Your customization is saved for that site, so it can apply automatically whenever you come back.

Why Sider Code is different

No scripts, no setup

You do not need to inspect the DOM, install userscripts, or manage per-site extensions.

More than blocking

Instead of only hiding elements, Sider Code can add actions, restructure content, and transform how a page works.

Changes that persist

Your customization can be remembered and applied the next time you visit the same site.

Understands page content

Sider Code combines page understanding with page modification, so it can summarize, extract, explain, and reshape in one flow.

Frequently Asked Questions

What is Sider Code?

Sider Code is an AI browser feature that changes the web pages you visit based on natural language instructions. It can adjust layout, hide distractions, add actions, extract information, and remember customizations for future visits.

Start with one page you wish worked differently.

Install Sider, open Code on any website, and describe your first change. Just say what you want.