Filter AI for WordPress

Filter AI brings the power of AI to WordPress, streamlining content creation and enhancing your editorial workflow.

Developed by Filter for real-world clients, this plugin makes it easy to generate ALT text, titles, excerpts, product descriptions and rewrite content directly inside your WordPress Admin.

Web interface displaying text editing options: rewrite, expand, condense, summarize, and change tone. A cursor hovers over "Rewrite." The header reads, "Easily generate, rewrite and change tone."

Key Features


Powerful features for editors and site managers publishing regularly, SEO and content optimisation teams, and WordPress users who want to speed up content creation

A screenshot of a webpage showing an image upload interface. A "Generate Alt Text" button is highlighted, indicating a feature to create alternative text for accessibility. The screen displays image details like upload date, file size, and dimensions.

ALT Text Generation

Bulk and single image AI-generated ATL text descriptions that improve accessibility and your image SEO

A computer screen displaying a website editing interface with an option to "Generate Description." A cursor hovers over this button. A small image of a pink beanie is shown on the page. The interface appears user-friendly with clear text.

Product Descriptions

Use AI to craft your WooCommerce product description information to save you time and improve your search profile

Text editing interface showing a sample landing page with toolbar options like headings, formatting, and bullet points. A dropdown menu with options such as Rewrite, Expand, Condense, Summarise, and Change Tone is visible, indicating text modification features. The background is light blue.

Content and Tone

Transform your content tone of voice with a single click – then ask AI to expand and summarise your text as needed

A screenshot of a webpage editor displaying a landing page titled "Welcome to Elm & Bay." A cursor hovers over an option to generate a title or excerpt, indicating interactive action.

Post Titles

Stuck for a title? Filter AI can help you craft compelling post titles that improve click-through rates

A computer screen displays a webpage about Nutrience Dog Food with images of a dog, dog food, and a menu option showing "Generate Excerpt."

Excerpts and Tags

Allow AI to summarise the content of your post into an excerpt, and then suggest relevant post tags

Popup window on screen displaying options to "Try Gemini" and "Get API key" with a cursor pointing at the latter. Background shows blurred interface elements and settings, including temperature and structured output.

Choice of AI Platform

Bring your own API key to AI Services and choose Gemini, Open AI or Anthropic to generate your content

Get Started Straight Away

Download and activate the plugin, add your preferred service API key and the rest is done for you – no complex setup or configuration, just plug and play.

Settings page for "Filter AI Plugin" showing customization options. Toggles for generating image alt text, post titles, excerpts, tags, and text rewriting are visible, all switched on. Sections are divided into "Images," "Post," and "Customize Text," each with brief descriptions of their functions.

Fully Customisable

Filter AI lets you customise the AI prompts for each generation tool individually.

Want your ALT text to follow specific brand guidelines? Need content that matches your unique tone of voice?

Simply adjust the prompts on the Settings screen to match your requirements.

Built on AI Services

Filter AI is built on the foundation of Felix Arntz’s excellent AI Services plugin, which continues to add new AI providers and features.

Bring your own API key from any supported platform such as OpenAI, Anthropic or Gemini (with more coming soon).

AI Services is a required dependency for Filter AI, so make sure you have installed this first.

A webpage screenshot of a plugin called "AI Services" by Felix Arntz. The page includes a blue header with a robot icon, plugin details, a description about its capabilities, and a sidebar showing community plugin information such as version and active installations.
Contact form webpage with a testimonial. The left side has a quote praising a tech partner, and the right side features fields for name, company name, email, and message, with a pink "Submit" button below. Text prompts users to fill out the form for assistance.

Support and Roadmap

Filter AI is provided as an open-source product by Filter, free of charge. If you have any problems in setup, feel free to reach out to our team.

We’re interested in hearing what features you think we should implement next – let us know.

PersonalizeWP

We also develop PersonalizeWP, which the leading personalisation plugin for the WordPress Block Editor, and which allows you to show the right content to the right audience at the right time.

  • Multiple Display Conditions
  • Geo-Location and Targeting
  • Visitor Journey tracking
  • User Segmentation and Lead Scoring
  • Increase WooCommmerce conversions
A digital interface showcasing a personalization tool for event connections, with options for user detail inputs. A section highlights an offer for events in the UK. Three individuals are seated, engaging in conversation. WordPress logo visible at the bottom left.

Frequently asked questions

Filter AI is a free WordPress plugin that integrates AI-powered content creation tools directly into your WordPress block editor. Built on the foundation of the AI Services plugin, it allows you to generate compelling content, rewrite text, create ALT text for images, and perform other content tasks using leading AI platforms like OpenAI, Anthropic, and Gemini – all without leaving your WordPress dashboard.
Yes, the Filter AI plugin itself is completely free to download and use. However, you’ll need to provide your own API key from one of the supported AI services (OpenAI, Anthropic, or Gemini). You only pay for the actual AI usage according to your chosen provider’s pricing model, giving you complete control over costs and spending limits.
Not at all! Filter AI is designed for content creators, not developers. The intuitive interface integrates seamlessly with the WordPress block editor you already know. Simply install the plugin, add your API key in the settings, and start using AI tools right where you create content.
Filter AI works with any AI service supported by the AI Services plugin, including:
  • OpenAI (GPT models)
  • Anthropic
  • (Claude models)
  • Google Gemini
  • Additional providers as they’re added to AI Services

This flexibility means you can choose the AI provider that best fits your needs and budget.
Absolutely! One of Filter AI’s key features is the ability to customize AI prompts for each generation tool. Whether you need ALT text that follows specific accessibility guidelines, content that matches your unique tone of voice, or descriptions that align with your brand guidelines, you can adjust the prompts to meet your exact requirements.
Since you bring your own API key, you can set spending limits and budgets directly with your AI service provider. Filter AI is designed to use tokens efficiently, and you can adjust the length and complexity of generated content to manage costs. You have complete transparency and control over your AI spending.
Filter AI offers a comprehensive suite of content creation tools:
  • Generate compelling ALT text for images
  • Create engaging titles and headings
  • Write introductions and conclusions
  • Create WooCommerce product descriptions
  • Rewrite and improve existing content
  • Summarize long-form content
  • Generate content ideas and inspiration
Filter AI requires:
  • WordPress 6.0 or higher
  • PHP 7.4 or higher
  • The AI Services plugin
  • An API key from a supported AI service provider

The plugin has been tested up to WordPress 6.5 and follows WordPress development best practices.

Get in Touch

Want to learn more about how Filter can help you with your next project? Contact our team today.

"*" indicates required fields

Name*
This field is for validation purposes and should be left unchanged.

News

An interface screen displays options for rewriting, expanding, condensing, summarizing, and changing the tone of text. The highlighted section shows "rewrite." A hand cursor hovers over the drop-down menu. The background is a gradient of light green to blue.

Introducing Filter AI: Our Free WordPress Plugin for AI-Powered Content Creation

Say hello to Filter AI – our powerful (and free!) WordPress plugin that puts the full potential of AI content creation right at your fingertips.

Two women smiling and standing together at an indoor event. One wears a pink t-shirt and glasses, the other a blue patterned top. They appear happy, with a screen and elevators in the background.

Championing Gender Diversity in WordPress: A Call for Change

Gender diversity in tech is not just a moral obligation, it’s a business imperative – Rachel Berry, Head of Client Services at Filter, shares how our agency is leading the charge in fostering an inclusive WordPress community and why it matters now more than ever.

A smiling couple sits at a table, looking at a laptop screen together. They both appear engaged and happy. The background is a cozy, modern room. A "personalize" logo with a stylized "W" is visible in the upper-right corner.

Elevating WordPress with Personalisation: Bringing Advanced Customer Experiences

Want to transform your WordPress site with advanced, personalised customer experiences? Discover how PersonalizeWP bridges the gap between simplicity and powerful personalisation.