Gramit vs draw.io

draw.io, also known as diagrams.net, is the tool most people reach for when they need a diagram and do not want to pay. It is genuinely capable. The reasons people go looking for something else are almost always the same two: the interface feels like software from another decade, and complex systems end up spread across tabs that do not know about each other.

Try Gramit freeNo account, no card, nothing to install.

Side by side

Rows are ordered by where the two tools differ most, and the rows draw.io wins are in here too.

FeatureGramitdraw.io
Nested diagrams
Any node opens into its own board, navigable by breadcrumb
Separate pages, with no parent and child relationship
AI can generate a board
Yes, from the public language spec
Not natively
Encrypted boards in your account
Encrypted before they leave your device
Depends entirely on the storage you connect
Diagram as code
Gramit YAML, readable and writable by hand or by an assistant
An XML file format, not meant for authoring by hand
Works with no account
Yes
Yes
Connectors when things move
Smart edges re anchor themselves as a node moves
Connectors attach, but often need fixing by hand
Interface
Keyboard driven, light and dark, built this decade
Frequently described as dated and cluttered
Shape libraries
Core shapes, icons and images
Yes
Integrations with Confluence and Jira
No, but any board embeds as an iframe
Yes
Open source
No
Yes

Why people move over

Depth instead of tabs

draw.io gives you pages. Pages are a filing system, not a structure: nothing tells you that page four is the inside of a box on page one. In Gramit that relationship is the model, so you can walk into a component and back out again.

A board your assistant can write

Describe the system in prose, have an assistant produce Gramit YAML from the public spec, paste it in. Regenerating a board beats redrawing one every time the architecture moves.

An interface that gets out of the way

Keyboard driven shape tools, smart edges that re anchor themselves as nodes move, and a canvas that looks like something made this decade.

Questions people ask

Can I import a .drawio file?
No. There is no draw.io importer, so existing diagrams have to be rebuilt. For a large existing library, that is a real cost worth weighing.
Does Gramit have UML and BPMN shape libraries?
Not as formal notation sets. Gramit gives you core shapes, icons and images, which covers most architecture and process work but not diagrams that must follow a strict standard.
Is Gramit really free?
Yes. You can open the editor and build a board without paying and without creating an account. Boards live in your browser until you decide to save them to an account.
Do I need an account?
No. An account only buys you sync across devices, publishing to the public gallery, and boards that follow you to another browser. Everything else works signed out.
What happens to my boards if I never sign up?
They stay in your browser, in local storage and IndexedDB, and they keep working offline. Clearing your browser data clears them too, so export anything you cannot lose.

The quickest way to compare is to draw something

The editor opens on an empty board with nothing in the way. Or start from a board somebody already published.

Other comparisons

Diagrams by kind