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Show HN: Forma ONNX Graph Viewer and Editor

A developer released Forma, an MIT-licensed browser-based ONNX and TFLite graph viewer and editor that lets users drop a model file onto a web page, click a node to change an attribute or rewire a connection, and verify the model still runs. Forma is positioned as an alternative to Netron, which the developer says only allows reading graphs, forcing users back into Python tools such as onnx-modifier or onnx.helper scripts for edits. The live web app is hosted at forma-ml.vercel.app and the project was posted to Hacker News as a Show HN with 2 points and 1 comment.

read1 min views1 publishedSep 13, 2026

Hey all!

Most ONNX tooling stops at just "looking". For those of you who know about Netron, it allows you to read the graph but the moment you want to change something you're back in Python either using onnx-modifier or onnx.helper scripts. I wanted to click a node, change an attribute or rewire a connection and actually know whether the model still runs, within a web-page.

This is exactly what Forma is! Simply drop an .onnx or .tflite file on the page and a full graph renders. From there you can do multiple different things (for more info have a look at the README in repo)

MIT Licensed repo

Live web-app: [https://forma-ml.vercel.app](https://forma-ml.vercel.app)

Comments URL: [https://news.ycombinator.com/item?id=49680437](https://news.ycombinator.com/item?id=49680437)

Points: 2
source & further reading
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