Diagram editor
Line9 is an online diagram editor that accepts Mermaid syntax and produces polished flowcharts and other diagrams using its own layout engine. Users can paste code, adjust themes, orientation, spacing, and node sizes, then export or copy the result. It requires no account for basic use and offers a Pro version with additional features along with a companion CLI tool.
FreemiumWeb
Overview
6 featuresIn the Design & Creative space, Diagram editor takes a focused approach. It focuses on creating clean, well-laid-out diagrams from Mermaid code without manual positioning or account creation. Diagram editor is a consumer product aimed at developers and technical users. There is a free tier. It runs on the web.
It is developed by Line9, and it first shipped in 2024. Among its 6 catalogued features are Mermaid Rendering, Flowchart Editor, and Custom Layout.
Summary written by a language model from the project’s public pages.
- Mermaid Rendering
- Flowchart Editor
- Custom Layout
- Theme Selection
- CLI Tool
- Export Options
Tags
mermaid-diagramsflowchart-editordiagram-rendereronline-editor
Built with & integrations
Framework
SvelteKit
Hosting
Cloudflare
Runs on
Browser
Detected from
- SvelteKit
- data-sveltekit- in the HTML · /_app/immutable/ in the HTML
- Cloudflare
- cf-ray header
Trust & compliance
Verified signals
HTTPSFree tier
Indexing history
1What PulseGate has recorded for this listing
- Indexed6 Aug · 13:50 UTCShow HN: Line9 - a Mermaid rendering engine with its own layout verified against its public sourceSource: PulseGate · Open
Frequently asked questions about Diagram editor
- What does Diagram editor do?
- Diagram editor focuses on creating clean, well-laid-out diagrams from Mermaid code without manual positioning or account creation. It is catalogued under Design & Creative on PulseGate.
- Who should use Diagram editor?
- Diagram editor is a consumer product built for developers and technical users.
- Is Diagram editor free?
- Yes — there is a free tier, with paid plans for advanced use.
- What platforms does Diagram editor run on?
- Diagram editor runs on the web.
- Is Diagram editor still active?
- Unverified. Diagram editor has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
- What projects are similar to Diagram editor?
- Similar projects tracked by PulseGate include Cool FormKit Lite, Input Masks for Contact Form 7, and Tidy Author Box.Cool FormKit LiteInput Masks for Contact Form 7Tidy Author Box
- Who develops Diagram editor?
- Diagram editor is developed by Line9.
- How long has Diagram editor been around?
- Diagram editor first shipped in 2024.
Also in Design & Creative
Same category — not a similarity match