Kroki provides one API for generating diagrams from textual descriptions using libraries such as Mermaid, PlantUML, Graphviz, and D2.
QuickChart
vsPlantUML
QuickChart vs PlantUML
How do QuickChart and PlantUML compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | QuickChart | PlantUML |
|---|---|---|
| What it is | QuickChart generates chart images through an API that can embed visualizations in emails, reports, and other platforms. | PlantUML generates UML and other diagrams from textual descriptions and exports results in formats including PNG, SVG, and PDF. |
| Website | ||
| Type | Online tool | Online tool |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Browser extension, Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both QuickChart and PlantUML.
DiagramGPT generates diagrams from text prompts, with the project page describing diagram workflows for teams.
PlantText provides an online editor for PlantUML code and generates class, sequence, activity, and state diagrams.
amCharts lets users build interactive charts and maps in a browser from templates, then export, embed, or publish them.



