Auto Alt Text from Filename
Automatically Improve Your Image SEO with Smart Alt Text
Automatically generate alt text and media captions from clean, readable filenames — no manual input required.
What Is Auto Alt Text from Filename?
Auto Alt Text from Filename is a lightweight WordPress plugin that automatically converts file names into alt text for images and captions for media files. It’s the simplest way to boost your SEO, improve accessibility, and enhance your media library — all without lifting a finger.
From blog images to audio files and documents, this plugin transforms filenames into meaningful, readable text across your entire media library.
Why Choose Auto Alt Text from Filename?
Crafted by a developer who values clarity, simplicity, and speed — no clutter, no paywalls. Just smart, seamless alt text and caption generation that works instantly on upload.
- Hands-Off Automation Set it and forget it.
- SEO & Accessibility BoostImprove indexing and screen reader support.
- No Performance OverheadPure PHP, no JavaScript fluff.
- Smart CleaningFilenames are cleaned and formatted into readable alt text or captions.
Key Features
- Automatically Sets Alt Text for ImagesGenerates clean, human-readable alt attributes based on file names.
- Captions for Non-Image FilesOptionally generate post excerpts for PDFs, MP3s, and more — perfect for media libraries.
- Easy Admin Settings PanelCustomize the default text patterns per file type and extension.
- Smart Filename CleanerStrips extensions, replaces dashes/underscores, and capitalizes words for a professional finish.
- No Coding RequiredFully functional out of the box — just activate and upload.
- Customizable TemplatesUse {filename} placeholders to control how alt text or captions are formatted.
- Hands-Off AutomationSet it and forget it — works on upload and bulk mode.
- SEO & Accessibility BoostImprove indexing and screen reader support effortlessly.
- No Performance OverheadPure PHP, zero JavaScript or external requests.
- Bulk Update Existing MediaUpdate alt text or captions for existing media files in one click.
- Optional Clean UninstallChoose to remove all plugin settings and generated data on uninstall.
Use Cases
- SEO-focused bloggers uploading lots of images
- WooCommerce stores with bulk product photos
- Content teams managing large media libraries
- Accessibility-conscious site owners
- PDF/document-heavy knowledge bases
How It Works
- Install and activate the plugin.
- Upload any image or media file
- Alt text (or caption) is automatically generated based on filename
- Customize patterns and behavior via the admin settings if needed
Frequently Asked Questions
Yes. You can fully customize the patterns using {filename} placeholders for each file type and extension.
Absolutely. You can choose whether or not to generate captions for audio, video, or documents from the settings panel.
Yes. It works with all themes and plugins — including Elementor, WooCommerce, and block editors.
Definitely! Feedback and feature requests are welcome — we’re actively improving the plugin.
Yes. If you need a tailored version or custom functionality, feel free to reach out.
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