---
title: "Supported PDF annotation types in Flutter viewer"
canonical_url: "https://www.nutrient.io/guides/flutter/annotations/introduction-to-annotations/annotation-types/"
md_url: "https://www.nutrient.io/guides/flutter/annotations/introduction-to-annotations/annotation-types.md"
last_updated: "2026-05-26T01:23:09.641Z"
description: "The following annotation types are supported in Nutrient Flutter SDK:."
---

# Supported annotation types in Flutter

The following annotation types are supported in Nutrient Flutter SDK:

- `pspdfkit/ink`

- `pspdfkit/link`

- `pspdfkit/markup/highlight`

- `pspdfkit/markup/squiggly`

- `pspdfkit/markup/strikeout`

- `pspdfkit/markup/underline`

- `pspdfkit/note`

- `pspdfkit/shape/ellipse`

- `pspdfkit/shape/line`

- `pspdfkit/shape/polygon`

- `pspdfkit/shape/rectangle`

- `pspdfkit/text`

---

## Related pages

- [Retrieve or set the annotation bounding box in Flutter](/guides/flutter/annotations/introduction-to-annotations/bounding-boxes.md)
- [What are PDF annotations?](/guides/flutter/annotations/introduction-to-annotations/what-are-annotations.md)