# Esteban Dalel R — Personal Tools Site > A collection of small, browser-based utilities built by Esteban Dalel R. > All tools run entirely client-side with no data sent to any server. ## Tools - [Image Converter](https://estebandalelr.github.io/tools/imageConverter): Convert images between PNG, JPG, and WebP formats. Apply black & white or duotone (recolorize) effects. Split images into configurable grid pieces. - [Image Trace](https://estebandalelr.github.io/tools/imageTrace): Convert images to edge-traced outlines using Sobel edge detection. Optimized for laser etching. - [Paint by Numbers](https://estebandalelr.github.io/tools/paintByNumbers): Generate a paint-by-numbers worksheet from any image using k-means color quantization. - [Embroidery Tracer](https://estebandalelr.github.io/tools/embroideryTracer): Generate SVG paths from images for embroidery patterns. Outputs color trace, monochrome trace, and line art. - [Video Converter](https://estebandalelr.github.io/tools/videoConverter): Convert video files between AVI, MP4, MOV, WebM, and MKV using FFmpeg in the browser. - [Stop Motion Editor](https://estebandalelr.github.io/tools/videoEditor): Upload a sequence of images and export a stop motion animation video. - [QR Code Generator](https://estebandalelr.github.io/tools/qr): Create custom QR codes from any text or URL with configurable colors and error correction. - [Character Count](https://estebandalelr.github.io/tools/characterCount): Analyze text for character, word, and sentence statistics. - [Text Diff](https://estebandalelr.github.io/tools/textDiff): Compare two text blocks side-by-side with highlighted differences. - [ASL Learning](https://estebandalelr.github.io/tools/asl): Learn the American Sign Language alphabet and numbers with interactive flashcards. - [Braille](https://estebandalelr.github.io/tools/braille): Interactive Braille alphabet learning tool. - [Cursive](https://estebandalelr.github.io/tools/cursive): Practice cursive handwriting with letter and word guides. - [Morse Code](https://estebandalelr.github.io/tools/morse): Learn, practice, and decode Morse code. - [Piano](https://estebandalelr.github.io/tools/piano): Interactive piano keyboard with chords and melodies. - [Swedish Learning](https://estebandalelr.github.io/tools/swedish): Swedish vocabulary flashcards and quizzes. - [Portuguese Learning](https://estebandalelr.github.io/tools/portuguese): Portuguese vocabulary, verb conjugation, and common phrases. - [Merge PDF](https://estebandalelr.github.io/tools/mergePdf): Combine multiple PDF files into a single document. Drag-and-drop with reorder support. - [Split PDF](https://estebandalelr.github.io/tools/splitPdf): Extract page ranges, individual pages, or odd/even pages from a PDF. ## Other Pages - [Group Expenses](https://estebandalelr.github.io/money): Split group expenses and calculate settlements between participants. - [Deep Connection](https://estebandalelr.github.io/deep): A relationship card game with tiered conversation questions. ## About Built with Next.js, React, TypeScript, and Tailwind CSS. All image and video processing happens in the browser using the Canvas API and WebAssembly (FFmpeg). No backend, no data collection. ## Contact - GitHub: https://github.com/EstebanDalelR - Twitter/X: https://twitter.com/estebandalelr - LinkedIn: https://linkedin.com/in/estebandalelr