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Tech riderRev. 9 Oct 2026

Snapmark

Ch 476.8of 76 Screenshot Annotation Software
  1. 1Runs onBrowser, Linux, Mac, Windows
  2. 2CostsFree plan
  3. 3Redaction toolsYes
  4. 4Measurement toolsNo
  5. 5Team collaborationNo
  6. 6Browser extensionNo
  7. 7Export formatsCopies annotated images to clipboard; specific file export formats not stated
7 lines stated Written from the maker's own pages: snapmarkapp.netlify.app
Visit site Alternatives
The Snapmark homepage

Overview

Snapmark is ranked #47 of 76 in screenshot annotation software on Specifiction. It runs on Browser extension, Linux, macOS, Windows. There is a free plan.

Snapmark plans and pricing

All plans
Free Free Free, open source; VS Code extension snapmarkapp.netlify.app · 9 Oct 2026

Compared on screenshot annotation software

Free plan
Yessnapmarkapp.netlify.app
Redaction tools
Yessnapmarkapp.netlify.app
Measurement tools
Nosnapmarkapp.netlify.app
Team collaboration
Nosnapmarkapp.netlify.app
Browser extension
Nosnapmarkapp.netlify.app
Export formats
Copies annotated images to clipboard; specific file export formats not statedsnapmarkapp.netlify.app

Facts

Purpose
Snapmark annotates screenshots before you paste them into AI chats.snapmarkapp.netlify.app · 9 Oct 2026
Workflow
It runs from the VS Code clipboard workflow and does not interact with an AI agent’s window.snapmarkapp.netlify.app · 9 Oct 2026
AI compatibility
The site lists Claude Code, GitHub Copilot, Cursor, OpenAI Codex, Gemini Code Assist, and Cline, and says it works with anything that accepts pasted images.snapmarkapp.netlify.app · 9 Oct 2026
Annotations
It supports blur/redaction, numbered step callouts, pen, arrow, rectangle, ellipse, text, highlight, and crop tools.marketplace.visualstudio.com · 9 Oct 2026
Image resizing
It resizes screenshots to a 1920-pixel long edge when copying; the Marketplace says the maximum dimension can be set to 0 to preserve original size.marketplace.visualstudio.com · 9 Oct 2026
Input options
If the clipboard has no image, users can drag in an image file, paste one, or pick a file from their computer.marketplace.visualstudio.com · 9 Oct 2026
Privacy
The maker says Snapmark runs locally with no network calls, telemetry, or accounts, and only reads and writes the clipboard.github.com · 9 Oct 2026
License
The project is MIT licensed and described as open source.snapmarkapp.netlify.app · 9 Oct 2026
Operating systems
The Marketplace states macOS and Windows work as-is; Linux requires xclip for X11 or wl-clipboard for Wayland.marketplace.visualstudio.com · 9 Oct 2026
Supported workflow
The extension is used with VS Code and can paste annotated images into AI chats that accept pasted images.snapmarkapp.netlify.app · 9 Oct 2026
Notable limit
The maker describes Snapmark as built for the single workflow of annotating screenshots for AI agents.snapmarkapp.netlify.app · 9 Oct 2026

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Where it ranks on Specifiction

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Sources