HackMD Streamlined documentation for teams and agent workflows. 📄

Turn ideas into shared knowledge using Markdown.

You write in Markdown and HackMD presents source code, slides, charts, and math expressions for you. You control who can view/edit your notes and share them with flexible permissions. Since launch, more than 3,000,000 notes have been created and more than 13,000 teams have collaborated in HackMD. HackMD is where your short-term and long-term memory live together.

無論是社群多人編輯、團隊溝通共筆、個人便捷紀錄,HackMD 支援

多種語法、圖表、數學表達式,搭配書本模式、簡報模式跟留言互動功能。讓筆記,不只是筆記。

上線至今,已經有超過 3,000,000 份筆記,以及超過 13,000 個團隊空間使用。HackMD 能夠便捷寫作、版面俐落,聰明的筆記整理方法,受到國內外用戶的喜愛。

從下筆、編輯、共筆到發表,HackMD 讓你的知識最有效率地呈現,跟人們以最流暢的速度分享。

在 HackMD 開啟一份新筆記吧!

06/01/2026

Maintaining a continuous flow of context between your team and your AI agents is the secret to reliable automation. 🌊

HackMD serves as the shared workspace where every single edit, prompt, and decision is safely recorded.

05/28/2026

Taking your collaborative notes and AI-generated documentation offline has never been more reliable!

Our new dedicated export page handles complex elements like UML diagrams and LaTeX equations perfectly

You can now customize your layout with new settings for paper size, margins, and image scaling to ensure your final document looks exactly as you want

We rebuilt PDF export on HackMD around one idea: the exported file should match the note you see 📄Here's what's new:🔁 Mo...
05/21/2026

We rebuilt PDF export on HackMD around one idea: the exported file should match the note you see 📄

Here's what's new:

🔁 More reliable conversion — fewer failed exports and missing content, including images, UML, and LaTeX

🎨 Better output quality — improved LaTeX rendering, smarter table wrapping, better page-width usage, right-sized images, and no more random blank pages

📄 A dedicated export page — review settings, start conversion, and know exactly when your file is ready

⬇️ Clearer download behavior — automatic download if you stay, manual download if you come back later

⚙️ Configurable export options — paper size, orientation, table behavior, image behavior, and page margin presets

Read the full update here 👇️

https://buff.ly/fsRPILB

Explore HackMD's improved PDF export experience. More reliable conversion, better output quality, and new layout controls help you turn your notes into PDFs you can actually trust.

05/17/2026

Drag, drop, and you are done ⚡️

Moving local agent-generated skills straight into HackMD just got a whole lot easier

You can now import your markdown files directly into your workspace with zero friction.

This allows your entire team to collaborate on prompts and iterate quickly

Once your AI skills are polished, you can easily publish and share them with the world

Stop wrestling with local files and keep your automated workflows perfectly synced

A lot of your content doesn't start inside HackMD — it starts as a local file, a tool export, or an AI-generated draft 📂...
05/14/2026

A lot of your content doesn't start inside HackMD — it starts as a local file, a tool export, or an AI-generated draft 📂

We just shipped Markdown file upload in Overview to make moving that content in much faster

Here's what's new:

📥 Upload one or multiple .md files at once

🗂️ Support for .md, .markdown, .mdown, .mkd, and .txt

📊 Clear upload progress, limits, and error states

Read the full update here

https://buff.ly/KGFvyxa

Explore HackMD's new Markdown file upload in Overview. Upload one or many `.md` files at once and move your existing Markdown content into HackMD without the one-file-at-a-time slog.

For Stoffel Labs, HackMD is much more than just another documentation tool in their workflowIt acts as the essential con...
05/07/2026

For Stoffel Labs, HackMD is much more than just another documentation tool in their workflow

It acts as the essential context layer for their automated systems

It is crucial for taking raw ideas generated by AI agents from an unpolished version to fully fleshed-out details

This process ensures that their entire team can collaborate, refine, and agree on the final output before anything ships

Read the full post to see how you can apply this to your own agentic workflows 👇

https://buff.ly/HhFbsua

AI tools can draft PRDs, RFCs, and design rationale faster than teams can review them. Stoffel Labs and HashCloak founder Mikerah Quintyne-Collins shares the workflow her team uses to close that gap.

HackMD is the essential context layer between your team and your AI agents 🧠As organizations scale their automated workf...
05/05/2026

HackMD is the essential context layer between your team and your AI agents 🧠

As organizations scale their automated workflows, keeping everyone aligned becomes a challenge

You need a single, reliable source of truth that both human collaborators and your automated tools can access

05/01/2026

Show your team some love! 💜

Inline emoji reacts are a simple way to tell others how you really feel about their ideas

Sometimes a quick reaction is all you need to keep a project moving forward

In an increasingly AI-driven world, your human perspective is your most valuable asset 👤AI can automate your pipelines a...
04/28/2026

In an increasingly AI-driven world, your human perspective is your most valuable asset 👤

AI can automate your pipelines and generate boilerplate, but true innovation requires human insight

Your HackMD profile is the perfect place to showcase the actual mind behind the machine

Curate your best notes, technical designs, and collaborative projects into a living portfolio

Let other developers see how you think, organize your ideas, and solve complex problems

Your AI agents are producing a lot of Markdown Specs, skill files, changelogs, design docsThe output is fast, but it sti...
04/22/2026

Your AI agents are producing a lot of Markdown

Specs, skill files, changelogs, design docs

The output is fast, but it still needs a human eye before it becomes the source of truth 🧠

HackMD is built to be that in-between layer

Agent drafts land in a collaborative editor where your team can review rendered Markdown, leave comments on specific sentences, track every revision, and control who sees what until the content is ready

The agent writes it
Your team validates it
HackMD is where that happens

https://buff.ly/HmcP5aK

AI agents are generating Markdown faster than humans can read it. Spec drafts, skill files, meeting notes, architecture docs; all produced in seconds, all demanding human judgment before they enter a source of truth. This post argues that the missing piece in modern AI stacks is not another agent, b...

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