Combines multiple text-based files into a single document with clear section dividers. Supports code files (.js, .py, .java, etc.), markdown, CSV, JSON, XML, HTML, CSS, configuration files (.yaml, .ini, .conf), and log files. Upload files by dragging and dropping or browsing. Reorder files before merging. Choose output format (TXT, MD, or detected file types). All processing happens locally in your browser.
Study tool for CSV-based flashcards. Upload a CSV with 2 columns (Question, Answer) or 3 columns (Number, Question, Answer). View questions one at a time, flip to see answers, then rate your confidence (Easy, Moderate, Difficult, Didn't Know). Get a completion report showing your performance breakdown by confidence level. Download results as CSV. Shuffle or restart anytime.
Resize images directly in your browser without uploading to a server. Supports JPG, PNG, WebP, and GIF. Choose from preset sizes (thumbnail, small, medium, large) or set custom dimensions. Option to maintain aspect ratio. Adjust quality from 10% to 100%. Process multiple images at once. Downloads use format: filename(size).extension. All processing happens locally.
Multiple-choice quiz application that reads CSV files. CSV format: Q Number, Q Stem, Option A, B, C, D, Correct Response (A-D), Explanation. Shows immediate feedback with explanations after answering. Displays running score (correct/incorrect/total). Randomize question order or select specific number of questions. Download results as CSV with question stems, your answers, and correct answers. Progress bar tracks completion.
All tools are free to use and process data locally in your browser. No data is collected or sent to any server.