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No tool matches your search.
- Free
- No sign-up
- Works on any device
Create a QR code for a link, Wi-Fi, WhatsApp, contact and more, or read one from a photo.
- Free
- No sign-up
- Works on any device
Fill in the details to see your QR code.
PNG for phones, chats and websites. SVG and PDF stay sharp at any size, which is best for printing. Tip: point your phone camera at the preview to test it.
3. Style (optional): colors, dots, logo
Choose a photo or screenshot or drag it here
Works with photos of printed codes, screenshots and image files.
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Mermaid diagram editor
Flowcharts, sequence diagrams, Gantt charts and more from text, as SVG or PNG.
- Free
- No sign-up
- Works on any device
About Mermaid diagram editor
Write simple text such as A arrow B and get flowcharts, sequence diagrams, Gantt charts, class diagrams and more, drawn live and exportable as SVG or PNG. Text diagrams are easy to version in Git and edit later. GitHub, GitLab and many wikis also render Mermaid code blocks.
How to use Mermaid diagram editor
- Type or paste your text in the box above.
- The result appears instantly as you type.
- Copy the result or download it as a file.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
How do I start a flowchart in Mermaid?
Begin with the word flowchart and a direction like TD for top-down, then add lines that connect two labelled boxes with an arrow, for example Start to Next step.
Is Mermaid diagram editor free?
Yes. Mermaid diagram editor on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.