A local-first Markdown reader and editor

Markdown,
in harmony.

Open Markdown. Read beautifully. Edit precisely. Syncphonia keeps real .md files beneath a polished writing surface—without a proprietary vault or a permanent preview pane.

Start the free trial Explore every feature

Start writing with Syncphonia Light The fully functional Light version for reading and editing Markdown—in your browser.

Free · No install · Ordinary Markdown · Private on this device

15 days free
Works offline
$9.99 one time
Local files

essay.md

A PORTABLE IDEA

Words should outlive their tools.

Markdown stays useful because it remains readable, portable, and yours.

One honest file. Every view in agreement.

Source when precision matters. A finished page when it does not.

54 words · 1 min readPaper

The reader-to-editor continuum

One document. The right level of detail for the moment.

Reading and editing are not separate destinations. Move from a finished page to direct composition to exact source—without leaving the file behind.

A note on durable writing

Keep meaning close to the source.

Plain text gives writing a life beyond any one app. Presentation should clarify that writing, not take ownership of it.

Portable by default
Beautiful when read
Precise when edited

## Keep meaning close to the source.

Plain text gives writing a life beyond any one app.
Presentation should clarify that writing, not take
ownership of it.

- Portable by default
- Beautiful when read
- Precise when edited

A calm, publication-quality reading surface.

The product story

Your file is the source of truth.

Raw Markdown is exact but can interrupt reading. Rich editors are comfortable but can obscure the file beneath the page. Syncphonia is built around a simpler contract: keep canonical Markdown close, while making the document feel finished.

The harmony is practical, not decorative—document, outline, local assets, themes, and export all answer to the same portable source.

Five parts, one writing environment

Everything your Markdown already wants to be.

Compose directly

Headings, lists, tables, tasks, code, math, and images render where you write. A block menu and selection toolbar keep formatting close at hand.

A better first draftWrite the thought, not the interface.

Read with ease

Sixteen calm themes in four clear collections, plus focus mode, typewriter mode, and a publication-width canvas, make every document comfortable to read.

Navigate structure

Open a real folder, browse Markdown files, follow the live outline, find text, and keep word count and reading time in view.

Preserve ownership

Files stay local and readable outside the app. A small account verifies the trial and license; it never becomes a document vault or telemetry feed.

Export the finished work

Create styled, self-contained HTML or print to PDF, with support for tables, task lists, footnotes, math, syntax-highlighted code, local images, and a generated table of contents.

MD→HTMLPDF

Explore the full feature list

Local by design

A writing app that does not need to know who you are.

100% local operation 0 document uploads .md canonical format

Simple ownership

Try everything for 15 days.
Keep it for $9.99.

The free trial starts after a quick passwordless account verification—no card required. Buy once to activate Syncphonia on up to 10 of your devices.

Start free trial See pricing details

Syncphonia

Your words, structure, and presentation—in sync.

Start the 15-day trial

Markdown,in harmony.