Is Stilo free for developers?

Yes. Every developer gets a free license with unlimited use for development; it has an annual validity and is renewed for free by downloading it again.

What data do you collect for the license?

Only your email, project name and project description. Nothing else.

Stilo License — Free Blazor editor license

See Stilo in action

Stilo editing a complex hospital-system PDF in real time — Here's Stilo editing a complex hospital-system PDF — instantly, right in the browser.

High-tech accessibility

Stilo accessibility: multilingual TTS and interactive zoom — Built-in multilingual text-to-speech (TTS) and interactive zoom make documents accessible to everyone.

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Full internationalization (i18n)

Stilo supports i18n and every language for its user interface — and offline, on-board spell checking works across all languages too, with no external service.

What Stilo can do

Office-style ribbon WYSIWYG editor

Pages mode with A4 sheets and ruler

Offline multilingual spell checker

DOCX ⇄ HTML conversion

PDF → HTML and HTML → PDF conversion

Two-way GFM Markdown mode

HTML source mode

Image and table-column resizing

Configurable autosave with callback

Minimap and word/character status bar

Bookmarks, special characters, style presets

WCAG accessibility (text language/direction)

Built-in multilingual text-to-speech (TTS)

Full internationalization (i18n), all languages

Page break and HTML embed with preview

Clean paste from Word/Excel/Google Docs

Markdown autoformat while typing

50–200% zoom and native dark theme

Restricted editing (read-only regions)

Native MudBlazor compatibility

How licensing works

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Developers

Every developer gets a free license with unlimited use for development. Just download it here — it has an annual validity and you renew it for free by downloading again.

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Business solutions

For business solutions the license is granted for the duration of development. Going to production for commercial purposes requires prior written authorization.

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Why a license

The license only serves to monitor library usage and acts as a gate for the cases above. We store only your email, project name and description — nothing else.

Generate your free license

Fill in the form: your signed license file will download instantly. Place it as stilo.license next to your application.

How to install it

Download the stilo.license
Copy it next to your app (output folder), or set STILO_LICENSE
Done — Stilo.Documents will unlock automatically.