---
title: "Free WordPress Tools: Tech Stack, Theme & Plugin Checkers"
description: "Free WordPress tools to check any site: the full tech stack report (theme, plugins, hosting, CDN, speed), the font detector, the color palette extractor, and the Is It WordPress? checker. No signup to preview."
canonical_url: "https://themesniffer.com/tools/"
author: "Ruslan Saifullin"
source: "Generated from HTML by scripts/build-markdown.mjs — do not edit by hand."
---

Free Tools

# Free WordPress tools

Check any website in seconds. No install to preview, no account required.

Every tool here automates something you can also do by hand - start with [how to check a WordPress tech stack](https://themesniffer.com/blog/how-to-check-wordpress-tech-stack) if you want the manual method first.

Flagship

## WordPress Tech Stack Report

Paste a URL to reveal the theme, plugins, hosting, CDN, and speed behind any WordPress site. Preview it free, then download the full itemised report as a PDF.

[Open the report](https://themesniffer.com/tools/wordpress-tech-stack/)

For designers

## WordPress Font Detector

See every font a website uses: families with weights, Google Fonts, Adobe Fonts, self-hosted files, and the full type scale. Fully free, with live previews and a PDF export.

[Detect the fonts](https://themesniffer.com/tools/wordpress-font-detector/)

For designers

## Website Color Palette Extractor

Pull any site's palette straight out of its CSS: every color with hex, rgb and hsl, which one is the background, text and brand, the WordPress theme.json colors, gradients, and a WCAG contrast check. Export to CSS, SCSS, Tailwind or JSON.

[Extract the colors](https://themesniffer.com/tools/wordpress-color-palette/)

Quick check

## Is It WordPress?

Confirm whether any website runs WordPress. Checks eight independent signals and shows a clear verdict with a confidence level, plus the detected theme.

[Open the checker](https://themesniffer.com/tools/is-it-wordpress/)

For developers

## API, MCP server and WebMCP

Every tool on this page is also an HTTP endpoint, an MCP tool, and an in-page WebMCP tool. No API key, no account, an OpenAPI spec, and a sandbox to try a live request in.

[Open the developer portal](https://themesniffer.com/developers)

Browser

## ThemeSniffer for Chrome

Detect the theme and plugins on any site you visit, right from your browser toolbar. One click, no copy-pasting, rated 5.0/5 on the Chrome Web Store.

[Add to Chrome](https://chromewebstore.google.com/detail/wordpress-theme-detector/jmfelpjpndlbhbpffecppfhnfjkamiaa?utm_source=tools_hub&utm_medium=website&utm_campaign=wp_theme_detector)

## Guides to go with the tools

Every tool automates something you can also do by hand. These guides show you how.

#### WordPress detection guides

-   [How to check a WordPress site tech stack](https://themesniffer.com/blog/how-to-check-wordpress-tech-stack) - Theme, plugins, hosting, CDN and speed - all five layers in one pass.
-   [How to find what theme any WordPress site uses](https://themesniffer.com/blog/how-to-find-wordpress-theme) - Three methods, from a two-second extension click to reading style.css by hand.
-   [How to find what plugins a WordPress site uses](https://themesniffer.com/blog/how-to-find-wordpress-plugins) - Read the plugin stack off the front end, and learn what the front end still hides.
-   [How to reverse-engineer a WordPress design](https://themesniffer.com/blog/reverse-engineer-wordpress-design) - Decode the typography, colors, spacing and page builder behind a site, then rebuild it as your own.
-   [The complete guide to WordPress competitive analysis](https://themesniffer.com/blog/wordpress-competitive-analysis) - Turn theme and plugin detection into a comparison sheet and a plan you can act on.
-   [The fastest WordPress themes, speed-tested](https://themesniffer.com/blog/fastest-wordpress-themes) - Fifteen themes benchmarked on load time, page weight and request count.
-   [The most popular WordPress themes](https://themesniffer.com/blog/most-popular-wordpress-themes) - Market share data from 50,000 sites, and what those numbers do and do not tell you.