rookie-ricardo/erduo-skills

gemini-watermark-remover

Remove the visible Gemini AI watermark from images using reverse alpha blending. Use when asked to strip Gemini watermarks, batch-process Gemini images, or build/modify a CLI script that removes the bottom-right Gemini watermark without HTML or server-side components.

All-time #6935 First seen Feb 2, 2026
8-week activity · all time api

Installation

$ npx skills add rookie-ricardo/erduo-skills --skill gemini-watermark-remover

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Declared
Cline Not declared
OpenCode Not declared

Also listed on

Alternate registries and mirrors of this skill.

Repository health

Stars 935
License LICENSE
Default branch main
Open issues 0
Status Active

Skill metadata

Parsed from SKILL.md frontmatter.

Declared agents gemini

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,433 B
  • docs SUMMARY.md 300 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 1,720 installs

SKILL.md

Gemini Watermark Remover

Dependencies

  • Python 3.9+
  • Pillow (install with pip install -r requirements.txt)

Quick start

  1. Install dependencies in the scripts folder:

- cd skills/gemini-watermark-remover/scripts && pip install -r requirements.txt

  1. Run the CLI:

- python remove_watermark.py <input-image> <output-image>

CLI usage

  • Parameters:

- input-image: path to the Gemini watermarked image - output-image: path for the cleaned image (format inferred from extension)

Example:

python remove_watermark.py ./in.png ./out.png

What this skill provides

  • scripts/remove_watermark.py: CLI entry point and core algorithm.
  • assets/bg48.png, assets/bg96.png: Pre-captured watermark alpha maps.
  • references/algorithm.md: Math, detection rules, and limits.

Workflow

  1. Use remove_watermark.py for one-off processing.
  2. If you need to adjust detection rules or alpha logic, read references/algorithm.md.

Notes

  • The script uses Pillow for image IO and per-pixel edits.
  • Output format is inferred from the output file extension by Pillow.