Onylogy Image Alt Text

Onylogy Image Alt Text fills in the Alternative Text field for your images automatically, using an AI vision model that actually looks at each picture. It writes into the same native WordPress field you edit by hand — so results work everywhere (SEO plugins, screen readers, themes) and stay even if you remove the plugin.

Key features

• Bulk generate alt text — plus optional Caption, Description, and Title — for 10, 100, or 500+ images with a live progress bar.
• Review mode — see each suggestion and approve/edit before saving. Or Auto mode — generate and save automatically.
• Overwrite protection — only fill images that are missing alt text, or force regeneration for all.
• Auto-on-upload — new images get alt text the moment you upload them.
• Bring your own key (free or paid). Choose from many providers — Google Gemini, OpenRouter (Qwen, Gemma, Llama), Groq, Mistral, Together.ai, OpenAI, Anthropic — and paste a free-tier or paid key. Paid keys unlock higher-quality models.
• SEO-optimized output — concise, ~80–125 characters, no “image of” filler, context-aware using the image’s title and filename.
• Automatic failover — add keys for more than one provider and Onylogy Image Alt Text switches to the next one if a key is rate-limited or out of quota.
• Image previews + activity log — see a thumbnail of every image while you review, and one-click Revert any change you don’t like.
• Guide & Limits tab — a built-in capacity calculator estimates how many images you can process on your provider’s free tier.
• Monochrome, distraction-free UI that matches the WordPress admin. Fully translatable.

Why alt text matters: descriptive alternative text is a WCAG 2.1 requirement (1.1.1 Non-text Content) that lets screen-reader users understand your images, and it’s a ranking signal for Google Image search. It gives every image accurate, human-quality alt text in minutes instead of hours.

This plugin makes no external calls until you configure a provider key and click Generate. Your key is stored in your own site’s database (or a wp-config constant).

External services

This plugin relies on a third‑party AI vision service to generate text for your images. It does not call any service until you (a) enter an API key for a provider and (b) start generation from the plugin. You choose which single provider is used; the plugin only contacts the one you have selected, using the API key you supply.

What is sent, and when: each time you generate for an image (via Bulk Generate, the per‑image buttons, the Media list bulk action, or auto‑on‑upload if you enable it), the plugin sends that image’s data and a short text instruction (which may include the image’s existing title and file name) to your chosen provider’s API. It receives back the generated alt text / caption / description / title. Your API key is sent to authenticate the request. No image data is sent at any other time, and nothing is sent to any provider you have not configured.

You must obtain your own API key from, and agree to the terms of, whichever provider(s) you use:

• Groq — used for AI text generation. Terms: https://groq.com/terms-of-use/ · Privacy: https://groq.com/privacy-policy/
• Google Gemini — used for AI text generation. Terms: https://ai.google.dev/gemini-api/terms · Privacy: https://policies.google.com/privacy
• OpenRouter — used for AI text generation. Terms: https://openrouter.ai/terms · Privacy: https://openrouter.ai/privacy
• Mistral AI — used for AI text generation. Terms: https://mistral.ai/terms/ · Privacy: https://mistral.ai/terms/#privacy-policy
• Together.ai — used for AI text generation. Terms: https://www.together.ai/terms-of-service · Privacy: https://www.together.ai/privacy
• OpenAI — used for AI text generation. Terms: https://openai.com/policies/terms-of-use/ · Privacy: https://openai.com/policies/privacy-policy/
• Anthropic (Claude) — used for AI text generation. Terms: https://www.anthropic.com/legal/consumer-terms · Privacy: https://www.anthropic.com/legal/privacy

Your API key is stored in your own site’s database, or you may define it as a constant in wp-config.php. The plugin makes no other external requests.