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Markdown Lens

Private document workspace

A local Markdown editor that converts documents privately.

Preview GitHub-style Markdown and convert PDFs, Office files, HTML, EPUB, data, and images—entirely in your browser.

Open workspace
View supported formatsStar on GitHub

Local processing No account Open source

Project: Product requirementsSaved locally
Markdown
1# Product Requirements
2 
3## Overview
4A private workspace for document work.
5 
6## Goals
7- Keep document structure
8- Surface conversion warnings
9- Export clean Markdown
10 
11## Supported sources
12PDF, Office, HTML, EPUB, data, images

A calmer way to work

Keep the source close, the workflow clear, and the output yours.

Markdown Lens gives document-heavy work a focused place to happen—from the first import to the final review.

Private by default

Files and drafts stay on your device while you edit and convert.

Review before export

Warnings, structure, and rendered output stay visible before you publish.

Built for Markdown

Write in a fast editor, preview GitHub-style output, and keep clean source.

From source to Markdown, without leaving your browser.

Open a file, review what changed, then export clean Markdown.

PDFWordPowerPointExcelHTMLCSVJSONXMLEPUBImagesZIP
See format details

01Open

PDF
DOCX
HTML

02Review

Source

Markdown

03Export

report.md

Structure retained

Headings, lists, tables, and more—kept intact.

Warnings surfaced

See issues and decisions before you export.

Processed locally

Your files never leave your device.

Private by design.
Open by default.

Files are processed locally, workspace data stays in your browser, and the source is available to inspect.

Local processingNo analytics & local-only privacyOpen source

Work with Markdown,
not around it.

Open workspaceStar on GitHub