Dev tools · alternatives · 2026

24 alternatives to Baseliner

Browser extension to add a grid layer on top of any website

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Baseliner launched in 2020; newer entries below may have overtaken it.

1
Grid Overlay Pro▲106
A browser extension to visualize grid layouts on any webpage
Feb 2026 · chromewebstore.google.com · its alternatives →
2
Baseline▲204
Create branded designs with a single click
2021 · baseline.is · its alternatives →
3
Extension Boilerplate▲325
Build cross browser extensions for Chrome, Firefox & Opera
2017 · its alternatives →
4
Site Palette▲343
Get the essential colours from any website
2018 · palette.site · its alternatives →
5AS
A simple lightweight CSS grid, not a bloated framework▲134
2012 · thisisdallas.github.com · its alternatives →
6
Baseliner for Chrome▲4
For designers and developers who care about vertical rhythm.
2016 · its alternatives →
7
Devsync▲319
Visually edit CSS. Live-sync the result with your editor.
2020 · devsync.co · its alternatives →
8
Tailwind CSS v2.0▲385
Rapidly build modern websites without ever leaving your HTML
2020 · tailwindcss.com · its alternatives →
9
HoverCards▲451
Get more content. Open fewer tabs.
2015 · leobola.info · its alternatives →
10
CSS Peeper▲350
Smart CSS viewer tailored for Designers.
2017 · csspeeper.com · its alternatives →
11
Just Focus▲226
Simple website blocker for Chrome 🙅💻
2018 · its alternatives →
12
Tailwind CSS▲420
A utility-first CSS framework for rapid UI development
2017 · tailwindcss.com · its alternatives →
13
Preline UI v2.0▲315
Build faster with Preline UI, a free and open-source Tailwind CSS UI component library with Pro blocks, templates, plugins, framework guides, and Figma.
2024 · preline.co · its alternatives →
14
Siter ▲345
A no-code website builder that offers design freedom
2024 · siter.io · its alternatives →
15
SuperDev▲164
All in one browser extension for web designers & developers
2022 · chromewebstore.google.com · its alternatives →
16
Simple Grid▲229
Responsive & lightweight CSS grid for your website.
2016 · simplegrid.io · its alternatives →
17
Grid Wiz▲90
CSS Grid frameworks with custom browser support in a snap
2018 · grid-wiz.vercel.app · its alternatives →
18
designr▲82
The better 'Inspect Element'
2023 · chromewebstore.google.com · its alternatives →
19
Baseline JS▲139
Open-source, serverless, fullstack framework that delivers
2024 · baseline.technology · its alternatives →
20
Site Palette 2.0▲102
Effortless, one-click color palettes for web design mastery.
2023 · palette.site · its alternatives →
21
DOM Outliner for Chrome▲71
See any web page structure in one click
2023 · chromewebstore.google.com · its alternatives →
22
Supertweak Tailwind editor▲70
Chrome extension for visually modifying any Tailwind website
2023 · its alternatives →
23
Aquarius CSS Helper▲74
Chrome extension helping developers make CSS editing easy
2022 · chromewebstore.google.com · its alternatives →
24
Hover – IDE style hover documentation on any webpage▲58
I thought it would be interesting to have ID style hover docs outside the IDE. Hover is a Chrome extension that gives you IDE style hover tooltips on any webpage: documentation sites, ChatGPT, Claude, etc. How it works: - When a code block comes into view, the extension detects tokens and sends the code to an LLM (via OpenRouter or custom endpoint) - The LLM generates documentation for tokens worth documenting, which gets cached - On hover, the cached documentation is displayed instantly A few things I wanted to get right: - Website permissions are granular and use Chrome's permission…
Jan 2026 · github.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →