123reaume is an online resume builder designed to help users create professional, ATS-friendly CVs. The application uses a guided, multi-step form that walks users through each section of a resume, including personal details, work experience, education, skills, certifications, and languages. A live preview updates in real time as information is entered, allowing users to see the final result as they type. The tool also includes AI-powered suggestions to assist with writing and phrasing content. The app provides eight professionally designed, ATS-friendly templates and supports PDF export for sharing or submitting applications. Beyond resume creation, 123reaume allows users to publish a standalone personal website based on their resume content and manage multiple versions of their CV in one place. The service is accessible through a web browser at 123resume.de and requires JavaScript to enable the full application experience. Typical use cases for 123reaume include building a resume from scratch, updating an existing CV, and creating tailored versions for different job applications. The workflow is centered on completing the step-by-step wizard, reviewing the live preview, and then exporting the finished document or publishing it online. The platform is suitable for professionals across industries, with sample content illustrating use cases such as a senior software engineer highlighting technical skills, project experience, and certifications.