Health
Schultz Autogenic Training - a relaxation technique that induces deep relaxation through passive concentration on physical sensations. Features step-by-step guidance with complete multi-language support.
autogenic-trainingAI Tools
Extract key information from ID card images and convert to JSON format using AI vision models for free
ai-ocr-id-card-to-jsonMedia
Convert animated WebP or APNG images to MP4 video format using ImageMagick or FFmpeg command line tools
animated-webp-apng-to-mp4Health
Practice the 4-7-8 breathing technique: inhale for 4 seconds, hold for 7 seconds, exhale for 8 seconds. Natural tranquilizer for the nervous system.
breathing-4-7-8Data Analysis
Advanced correlation analysis tool that calculates correlation coefficients between variables to measure the strength and direction of their linear relationships. Perfect for statistical analysis, financial modeling, scientific research, and data exploration. Features: - Multiple correlation methods (Pearson, Spearman, Kendall) - Correlation matrix generation - Statistical significance testing (p-values) - Confidence intervals calculation - Heatmap visualization - Scatter plot matrix generation - Missing value handling strategies - Outlier detection and handling - Group analysis capabilities - Detailed statistical reports Common Use Cases: - Financial market analysis and risk assessment - Scientific research and hypothesis testing - Customer behavior and marketing analysis - Healthcare and medical data analysis - Quality control and process optimization - Educational performance evaluation
correlation-analyzerMedia
Trim multiple images simultaneously using various trimming methods with batch processing and ZIP output
batch-image-trimData Processing
Select specific columns from CSV data by column names or indices. Perfect for extracting relevant data from large CSV files with many columns.
csv-column-selectorData Processing
Group CSV data by specified columns with aggregation options. Perfect for summarizing and analyzing large datasets by categories, dates, or other criteria.
csv-data-grouperDevelopment
Count occurrences of specific elements in arrays with support for multiple counting modes and statistical analysis
array-element-counterDevelopment
Delete specific elements from arrays with support for multiple deletion methods
array-element-deleterDevelopment
Replace specific elements in arrays with support for multiple replacement methods
array-element-replacerDevelopment
Reverse the order of array elements with support for various input formats
array-reverser