How do I create a Quill editor without a toolbar?

You can set theme bubble to show medium-like editor instead of always visible version;

var quill = new Quill('#editor', {
  theme: 'bubble'   // Specify theme in configuration
});

Examples (both bubble and snow (default) themes)

A falsy value for toolbar should be correct:

var config = {
  "theme": "snow",
  "modules": {
      "toolbar": false
  }
};

Here's a bug report for tracking.

You can take two different approaches. The first one is just pass in the options a false value.

var config = {
  modules: {
      toolbar: false,
      syntax: true
  },
  "theme": "snow",
};

On the other hand you could also use a prefix theme that comes with no toolbar at all.

var config = {
  "theme": "bubble",
};

All the text editors I used have a prefix theme where there is no toolbar available.

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