Advanced Image Format Support

AVIF, HEIC, HEIF, JP2, SVG, TIFF—one AI engine for complete accessibility

Your Images, Any Format

Whether it's iPhone photos (HEIC), professional photography (TIFF), archival formats (JP2), vector graphics (SVG), or next-gen web formats (AVIF)—AltText.ai auto‑detects each format and delivers SEO-optimized alt text in seconds.

  • Plug‑and‑Play Automation

    Upload directly or integrate with WordPress, Shopify, Chrome, or our API to process images automatically. We handle format detection and return publish‑ready alt text.

  • Built‑In SEO & Accessibility

    One tool writes alt text for Google image search and WCAG SC 1.1.1, no matter the format.

AVIF, HEIC, HEIF, JP2, SVG, and TIFF format cards—AltText.ai auto-generates SEO-friendly alt text for every advanced format, including iPhone photos, professional photography, and vector graphics.

Six Advanced Formats—Future-Proof Your Images

Leverage professional and next-generation image formats with the first alt text engine that fully supports AVIF, HEIC, HEIF, JP2, SVG, and TIFF.

HEIC & HEIF (iPhone Photos)

Process photos directly from iPhones and iPads—Apple's default format with excellent compression and quality.

TIFF & JP2 (Professional Photography)

Support for professional workflows—TIFF for photography and print, JP2 for medical imaging and archival preservation.

SVG & AVIF (Next-Gen Web)

Make vector graphics and next-gen web formats accessible—our AI understands every format and generates descriptive alt text.

Standard Formats, Exceptional Alt Text

Process your existing PNG, JPG, GIF, and WebP image libraries with the same AI technology—maintaining consistent quality across all formats.

WebP Alt Text Generation

Get full alt text support for WebP's 25–34% file size savings—balancing performance and accessibility.

GIF Alt Text Generation

Generate accurate, concise alt text for animated and static GIFs—automatically detecting key content without manual editing.

Related Solutions

Comprehensive alt text coverage for all your image needs:

Bulk Processing

Process all image formats including advanced formats in bulk.

WordPress Plugin

Support for all modern image formats in your WordPress site.

Alt Text for Accessibility

Alt text for screen readers in every image format.

Ready to Upgrade Your Image Library?

AltText.ai supports AVIF, HEIC, HEIF, JP2, SVG, and TIFF—ensuring all your professional and next-gen images remain accessible.

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