How to make a flowchart from code online
Drawing a flowchart by hand in draw.io or Word is an hour of fighting drifting arrows. There’s an easier way: paste your code into rombik and the chart appears in seconds with correct shapes and layout. Online, no install, with a free preview. Below: 3 steps and answers to common questions.
Make a flowchart from code in 3 steps
- 1 Paste your code
Open the editor and paste any function — Python, C, C++, C#, Java, Pascal, JavaScript, TypeScript, Go or PHP. Nothing to install.
- 2 See the chart for free
rombik reads the code’s logic — conditions, loops, calls — and draws a clean, standards-correct flowchart (or a structogram). The preview is unlimited and needs no sign-up.
- 3 Sign in and grab the file
Download the chart as editable Word (.docx), Visio, draw.io, Typst, Excalidraw, SVG, PNG or PDF. Export needs a free account — signing up takes a minute.
By hand vs from code
- ·30–60 min per chart
- ·Arrows drift and misalign
- ·Redo it whenever the code changes
- ·Seconds, not an hour
- ·Correct shapes & layout automatically
- ·Re-paste changed code → new chart
Common questions
Paste your code into rombik and the flowchart is generated in seconds — no drawing by hand.
Yes. It runs in the browser with no install, and an unlimited watermarked preview is free and needs no sign-up. Exporting without the watermark needs a (free) account.
Ten languages: Python, C, C++, C#, Java, Pascal, JavaScript, TypeScript, Go, PHP — a single function is enough.
Native, editable Word (.docx) is the popular choice; Visio, PDF, SVG, PNG, draw.io, Typst and Excalidraw are also available.
Turn your code into a flowchart
Paste code, see it drawn for free, export the format you need.