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SPECIFICTION
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favicon.gg

favicon.gg

Free plan WebAPI
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Spec score 7.9 #5 of 30 in Favicon Generators

What it is

favicon.gg is a free browser toolkit for creating, converting, customizing, checking, and downloading favicons for websites, apps, and progressive web app projects. Its generator accepts images, text, emoji, or URLs, with image files up to 15 MB. One export can bundle multiple ICO sizes, an Apple icon, manifest icons, a web manifest, and HTML in a ZIP. The app-icon generator creates sets for web, PWA, iOS, Android, and desktop targets. Batch processing handles up to 40 files per run and places each image’s icons in its own ZIP folder. A converter works with PNG, JPG, WebP, SVG, GIF, and ICO files at selectable sizes. The checker scores favicon setups, explains issues, and supplies corrective code. An API returns a cached PNG for a domain at a requested size. Dropped images are processed in the browser; URL tools contact a server. No account is required, files are not retained, and generated icons belong to the user. Server-side tools are rate-limited per IP, and uptime is not guaranteed.

Spec sheet

Purpose
favicon.gg generates, converts, customizes, checks, and downloads favicons for websites, apps, and PWA projects.Read 3 Oct 2026 · favicon.gg
Intended users
The batch generator is described for agencies, multi-brand products, and anyone processing a folder of logos.Read 3 Oct 2026 · favicon.gg
API
The favicon API returns a cached PNG for a domain at the requested size.Read 3 Oct 2026 · favicon.gg
App icon targets
The app icon generator creates sets for web, PWA, iOS, Android, and desktop.Read 3 Oct 2026 · favicon.gg
Availability
The maker provides the service as is, does not guarantee uptime, and advises against relying on its free public endpoint for safety-critical uses.Read 3 Oct 2026 · favicon.gg
Batch processing
The batch generator handles up to 40 files per run and puts each image’s icons in its own folder in one ZIP.Read 3 Oct 2026 · favicon.gg
Checker
The favicon checker scores a site’s favicon setup, explains problems, and provides code to fix them.Read 3 Oct 2026 · favicon.gg
Conversion
The converter handles PNG, JPG, WebP, SVG, GIF, and ICO at selectable sizes.Read 3 Oct 2026 · favicon.gg
Export package
The generator can provide a multi-size ICO, Apple icon, manifest icons, a web manifest, and HTML in one ZIP.Read 3 Oct 2026 · favicon.gg
Inputs
The generator accepts images, text, emoji, and URLs, and supports image files up to 15 MB.Read 3 Oct 2026 · favicon.gg
Local processing
Dropped images are processed in the browser; the site says its URL tools are the only tools that contact a server.Read 3 Oct 2026 · favicon.gg
Privacy and retention
The site says it requires no account and keeps no files; checker results are cached in memory for a few minutes, with nothing written to disk and no personal data recorded.Read 3 Oct 2026 · favicon.gg
Rate limits
The checker, extractor, and favicon API run on the maker’s infrastructure and are rate-limited per IP address.Read 3 Oct 2026 · favicon.gg
Use and ownership
The service is free for personal and commercial projects, and the maker says generated icons belong to the user.Read 3 Oct 2026 · favicon.gg

Plans and prices

Free Free Free to use for personal and commercial projects · no account required · server-side tools are rate-limited per IP Read 3 Oct 2026 · favicon.gg

Every favicon.gg plan and price →

Strong points and limits

Strong points

  • Free for personal and commercial projects
  • Batch processing handles up to 40 files
  • Exports manifest, HTML, Apple, and ICO assets
  • Supports web, PWA, iOS, Android, and desktop sets
  • No account required and files are not retained

Limits

  • Server-side tools are rate-limited per IP
  • Uptime is not guaranteed
  • Free public endpoint is not advised for safety-critical use

Who it suits

It suits people creating website, app, or PWA icons, including agencies and multi-brand teams processing logo folders. Developers can also use its checker, manifest exports, and API.

Verdict

favicon.gg covers generation, conversion, checking, and packaging in one web service. Its browser processing and no-account policy are useful, while server limits and the uptime disclaimer matter for dependent workflows.

Where Specifiction places it

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