imsky/holder

Health v2 · maintenance only

Adoption not part of the score

5798 stars · 585 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Holder.js is a client-side JavaScript library that renders image placeholders in the browser using SVG or Canvas. It generates customizable placeholder images (size, colors, text, themes) directly from URL-based directives without extra network requests.

Use cases

• render image placeholders in a web page during development
• generate placeholder images with custom size and colors client-side
• replace missing images with SVG placeholders
• create mockup images for Bootstrap layouts
• add placeholder images without extra HTTP requests
• customize placeholder text, fonts, and themes in the browser

When to choose

• you need lightweight, dependency-free image placeholders rendered entirely client-side
• you want URL-driven customization of size, colors, text, and themes
• you are building UI mockups or prototypes that need placeholder images
• you want to avoid 404s and extra network requests for placeholder images

When to avoid

• you need real stock or generated photos as placeholders (use a placeholder image service instead)
• you need server-side or build-time image generation
• your project requires actively maintained dependencies with frequent updates

Facets

library · maturity maintenance

image-processing ui-components developer-tools web-development frontend graphics browser image-placeholders svg canvas frontend-development holderjs nodejs web-server

Member repositories

For agents

markdown · JSON · MCP: product_card(name="imsky/holder")