Makr io 15 web apps in 30 days

Makr.io is an online resource collection for indie founders and product teams, mainly offering 85+ free browser tools and 100+ copyable Claude Code skills.

Purpose Makr.io is designed to provide indie founders and product teams with the practical tools and reusable skills needed in daily development and product work, helping improve work efficiency.

Main capabilities

1. Free browser tools (85+): including developer tools, PDF tools, color utilities, etc. All tools run in the browser, and user data does not leave the device.
2. Essential developer tools: used for formatting, converting, generating, and debugging; including code-to-image, formatters, converters, and generators; supports formatting, validating, converting, comparing, merging, and transforming JSON; supports formatting, validating, converting, and optimizing HTML and CSS.
3. Color, graphics, PDF, and mobile asset tools: including color pickers, palette generators, gradient tools, contrast checkers, etc.; PDF merging, splitting, compressing, converting, watermarking, and editing.
4. Utility tools and others: including email, security, and productivity tools; can preview HTML emails, check DMARC, and analyze email headers; analyze HTTP security headers and score website security.
5. AI Builder skills: provide Claude Code skills for engineers, product managers, designers, and marketers, covering engineering, backend, mobile, DevOps, product, design, marketing, and AI fields.

How to use Users can directly access these tools and skills through the Makr.io website. Browser tools require no installation and can be used directly in the browser; Claude Code skills can be copied and used.

Applicable scenarios Suitable for daily development, design, product management, and marketing work scenarios of indie founders and product teams, such as formatting JSON, merging PDFs, choosing colors, analyzing website security headers, etc.

Limitations The materials do not provide detailed information about fees, pricing, platform compatibility, specific usage steps, or performance guarantees.