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Stesura

// 10 categories · 49 features · 2 tiers

Everything in the box.

The full capability surface. The planned free tier is the editor foundation; premium packages — pagination, references, PDF, AI — bolt on as your product needs them. Stesura is in private beta: tiers are how we plan to license it, and access today is by agreement.

30 free19 premium
01

Foundation

Free + Premium

The editor core — everything you expect from a rich text editor, done right.

Bold, italic, underline, strikethroughThe four core text marks.Free
Text & highlight colorForeground and highlight colors.Free
TablesRow and column spans, Word's table styles.Free
ImagesResize, crop, rotate, effects.Free
Smart linksAuto-detected, editable links.Free
Find & replaceMatch case and whole words.Free
Bullets & numbered listsNested ordered and unordered lists.Free
Block quotes & code blocksQuotes and fenced code.Free
Paste from WordClean paste from any source.Free
ZoomScale the page to taste.Free
Invisible charactersShow pilcrows, spaces, tabs.Free
Ruler, margins & tab stopsOn-canvas ruler with tab stops.Free
Math equationsLaTeX input, Word equations on import and export.Free
Mermaid diagramsDiagrams as code, rendered in the page.Premium
Floating images & text boxesWrap text around anchored objects.Free
Right-to-left & bidiMixed-direction text, mirrored UI.Free
15 UI localesIncluding Arabic and Hebrew.Free
02

Formatting & styling

Free

Control every dimension of how the document looks — not just a bold button.

★StylesheetsWord-style named styles.
★Advanced paragraph formattingThe controls drafting needs.
★Legal numberingMulti-level 1 / 1.1 / 1.1.1.
03

Review

Free + Premium

Redline, discuss, and QA the document — with the whole team in the margins.

★Track changesPer-author redlining.Free
★Threaded commentsResolve, reply, @mention.Free
★ProofreadingGrammar & spelling in 15 languages, via LanguageTool.Premium
Document compareDiff two document versions.Premium
Format lintFlags formatting that belongs in styles.Premium
04

Layout & pagination

Premium

The page as a first-class citizen — rendered in the real DOM, no tricks.

★Real paginationA4 / Letter / Legal and custom sizes.
★Multi-section layoutsCover, TOC, body, appendices.
Headers & footersFirst, even and odd pages.
Numbered linesLine numbering down the margin.
Multi-column sectionsExperimental; Chromium-based browsers only.
05

References

Premium

Everything that has to number, renumber, and point at itself — automatically.

★Cross-references, footnotes & endnotesAuto-numbered, auto-updating.
Table of contentsAuto-built, auto-updating TOC.
Citations & bibliographyCSL styles; BibTeX, RIS and CSL-JSON import.
06

Import & export

Free + Premium

Get documents in and out without chaining the editor to anyone's file format.

★DOCX import & exportOpen, edit, hand back .docx.Free
★Paginated PDF exportSame pagination engine, on paper.Premium
PDF viewerPreview PDFs between the document's pages.Premium
Markdown import & exportRound-trip Markdown.Free
JSON import & exportThe native document model as JSON.Free
07

AI

Premium

Bring your own model endpoint — we wire it straight into the document.

★AI built inAutocomplete, chat, text actions.
AI edits as suggestionsAccept or reject them like tracked changes.
08

Collaboration

Free

Multiplayer editing on your own infrastructure.

★Real-time collaborationPresence, cursors, live editing.
Local-first editingIndexedDB storage, synced across tabs.
10

Extensibility & API

Free

Our whole model is built to be assembled, extended, and interacted with.

★Full ProseMirror schema controlYour own nodes and marks.
Full ProseMirror APIThe complete public API surface.
React NodeViewsRender nodes as React components.
Framework-free document logicEdit documents on the server, no React needed.