PlantText

Online PlantUML editor that turns text into UML diagrams instantly

About PlantText

PlantText is a web-based editor for PlantUML that renders UML and other diagram types from plain-text descriptions as you type, with no installation required. Diagrams can be saved in browser storage, imported and exported as files, and synced with GitHub on the Pro tier. The editor has served the PlantUML community free for over a decade, with a paid Pro version adding advanced capabilities.

PlantText website preview

Live preview of planttext.com via the WordPress mShots service — it can take a few seconds to generate on a first visit.

PlantText: strengths & things to check

Strengths

Free tier available — you can start without paying (freemium model).
Covers uml, diagrams, plantuml, diagrams as code — see the focus areas listed in its key facts.
Has 1 close alternative in the same category on this page, so switching or comparing is easy.

Things to check

The full feature set sits behind a paid plan — check which limits the free tier carries on the official site before committing.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 1288 tools in the Developer Tools category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

PlantText pricing

Pricing model	Freemium — a free tier lets you start, and paid plans are available if you need more.
Free access	Yes — free tier, paid upgrades available
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	planttext.com

PlantText key facts

Category: Developer Tools
Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas: uml, diagrams, plantuml, diagrams as code
Official site: planttext.com

PlantText FAQ

How much does PlantText cost?

Freemium — a free tier lets you start, and paid plans are available if you need more. Current plans and prices are listed on the official site (planttext.com).

What is PlantText used for?

Online PlantUML editor that turns text into UML diagrams instantly Its focus areas in the Developer Tools category: uml, diagrams, plantuml, diagrams as code.

Where can I try PlantText?

On its official site, planttext.com — the Visit Official Site button above goes straight there.

PlantText vs alternatives

	PlantText	Code to Flow
Pricing	Freemium — a free tier lets you start, and paid plans are available if you need more.	Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas	uml, diagrams, plantuml, diagrams as code	flowcharts, code visualization, ai, diagrams
Official site	planttext.com	codetoflow.com
Directory status	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Developer Tools category

Editors, platforms, and services developers rely on to build and ship software. The Developer Tools category on Tools Hub currently lists 1288 tools. Alongside PlantText, it includes CaptureKit, Site-Shot, GrabShot, ScreenshotNeo.

FreemiumDeveloper Toolsumldiagramsplantumldiagrams-as-code

Alternatives to PlantText

Tools in the same Developer Tools category that share focus areas with PlantText — worth comparing before you commit:

Developer Tools

Code to Flow

Turn code into interactive flowcharts with AI-powered analysis.

Freemiumflowchartscode-visualizationaidiagrams

More in Developer Tools

Comparing tools in the Developer Tools category? These related listings are worth a look: CaptureKit — Screenshot and web content API with an MCP server for AI agents; Site-Shot — Website screenshot API and free browser capture tool; GrabShot — Website screenshot tool and API with real Chromium rendering.