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BlurHash vs HackMD

Professional comparison and analysis to help you choose the right software solution for your needs.

BlurHash icon
BlurHash
HackMD icon
HackMD

BlurHash vs HackMD: The Verdict

⚡ Summary:

BlurHash: BlurHash is an algorithm that creates a hash representation of an image which allows previewing that image as it loads, while using very little bandwidth. The hash is typically around 20-30 characters long.

HackMD: HackMD is a real-time collaborative markdown editor and note-taking web application. It allows teams to write, edit, review and publish markdown documents together in real-time. Features include GitHub/GitLab integration, code blocks, task lists, and drawing.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature BlurHash HackMD
Sugggest Score — —
Category Ai Tools & Services Remote Work & Education
Pricing Open Source Open Source

Product Overview

BlurHash
BlurHash

Description: BlurHash is an algorithm that creates a hash representation of an image which allows previewing that image as it loads, while using very little bandwidth. The hash is typically around 20-30 characters long.

Type: software

Pricing: Open Source

HackMD
HackMD

Description: HackMD is a real-time collaborative markdown editor and note-taking web application. It allows teams to write, edit, review and publish markdown documents together in real-time. Features include GitHub/GitLab integration, code blocks, task lists, and drawing.

Type: software

Pricing: Open Source

Key Features Comparison

BlurHash
BlurHash Features
  • Generates a short hash string to represent an image
  • Allows previewing and blurring images before they are fully loaded
  • Works with very small amounts of data - hashes are usually 20-30 characters
  • Encodes color and geometric information about an image
  • Open source algorithm released by Wolt under MIT license
HackMD
HackMD Features
  • Real-time collaborative editing
  • Markdown support
  • Code block support
  • GitHub/GitLab integration
  • Task lists
  • Drawing support

Pros & Cons Analysis

BlurHash
BlurHash

Pros

  • Dramatically improves perceived performance of loading images
  • Creates placeholder previews using very little data
  • Lightweight and fast to generate hashes on the server
  • Supported in many programming languages and frameworks

Cons

  • Not an exact preview - just an approximation of the image
  • More complex implementation compared to simple placeholders
  • Requires generating hashes on the server side
HackMD
HackMD

Pros

  • Free for individuals
  • Great for collaboration
  • Integrates with GitHub/GitLab
  • Supports markdown formatting
  • Has useful features like code blocks and drawings

Cons

  • Formatting can get messed up with multiple simultaneous editors
  • No WYSIWYG editor
  • Limited free plan storage

Pricing Comparison

BlurHash
BlurHash
  • Open Source
HackMD
HackMD
  • Open Source

Related Comparisons

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Learn More About Each Product

BlurHash
BlurHash
Reviews, pricing & alternatives →
HackMD
HackMD
Reviews, pricing & alternatives →

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