UtilityKit
500+ fast, free tools. Most run in your browser only; Image & PDF tools upload files to the backend when you run them.
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Text Tools Word Counter Count words, chars, sentences and reading time Text Tools Text Diff Compare two texts line-by-line Text Tools Case Converter Convert text between letter cases Developer Tools JSON Formatter Format, validate and minify JSON Developer Tools Base64 Encode and decode Base64 strings Developer Tools Hash Generator Generate SHA-256, SHA-1, MD5 hashes Calculators Age Calculator Calculate exact age from birth date Calculators Date Difference Days, months and years between two dates Calculators Percentage Calculator Percentage, increase and decrease calculations Generators Password Generator Generate strong random passwords Generators QR Generator Generate QR codes from any text or URL Generators Username Generator Generate random username ideas quickly Data Conversion CSV ↔ JSON Convert between CSV and JSON formats Data Conversion CSV Editor Open, edit, deduplicate, and export CSV files in your browser Data Conversion JSON ↔ YAML Convert between JSON and YAML formats Image Tools Image Compressor Compress images with quality control Image Tools Image EXIF Stripper Remove embedded EXIF and GPS metadata locally before sharing Image Tools Image Resizer Resize images to exact dimensions PDF Tools Merge PDFs Merge multiple PDFs into one PDF Tools PDF Organizer Reorder PDF pages by a custom comma-separated list PDF Tools Split PDF Split a PDF by page ranges Audio Tools Video to MP3 Extractor Extract and save the audio track from any MP4, MOV or WebM video as MP3, WAV or OGG. Fully Audio Tools MP3 Cutter & Audio Trimmer Trim MP3, WAV, M4A and OGG audio with a visual waveform editor. Set start and end with sli Audio Tools BPM Detector Detect beats per minute from any audio file using Web Audio API. Or use the tap-tempo butt