AI Certifications
StudyAssess your AI knowledge across four subject areas and advanced vocabulary.
- 13 assessments
- Three levels
- Free attempts
Tools & assessments
Browse the Usevra collection. Each overview explains the job it does, what it accepts, and where its limits are.
Getting started
Read an overview, then open the app. Sign in to use a tool or take an assessment.
6 tools
PDF Organizer
DocumentsMerge documents, split a file, or put its pages in the right order.
- Merge PDFs
- Reorder pages
- Extract pages
Image Studio
ImagesResize, compress, and convert a whole batch of images together.
- Resize
- Compress
- Convert
Study
StudyCreate flashcards and practice quizzes from your study material.
- Flashcards
- Practice quizzes
- Review
CSV Studio
DataClean up rows, remove duplicates, and export a tidier spreadsheet file.
- Clean data
- Remove duplicates
- Convert CSV
Compare
WritingFind the differences between two versions of text, down to the word.
- Compare text
- Highlight changes
- Export