makr.io
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Introduction
85+ free browser tools and 100+ copiable Claude Code skills for solo founders and product teams.
Listed on
July 22, 2026
What is makr.io?
makr.io is a collection of 85+ free browser-based developer tools and 100+ copiable Claude Code skills. The tools cover code, JSON, HTML/CSS, design, PDF, email, and security utilities, all running locally in the browser with no uploads or sign-up. It also offers AI builder skills for engineers, PMs, designers, and marketers.
How to use makr.io?
- Browse the tool categories on the homepage, select a tool, and use it directly in your browser—no sign-up or uploads required. For Claude Code skills, view the list and copy the skill prompts to use with Claude Code. The site is designed for immediate use without onboarding.
Core features of makr.io
- 85+ free browser-based tools (code, JSON, HTML/CSS, design, PDF, email, security)
- 100+ copiable Claude Code skills (e.g., /code-review, /security-audit)
- Privacy-first: all tools run locally in your browser, no data leaves your device
- No sign-up or uploads required
- Categorized tools for easy discovery
- AI builder skills for engineers, PMs, designers, and marketers
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