Browser-based apps that do real work — no installs, no uploads, no account required.
Convert, resize, and edit images with a built-in editor — crop, rotate, flip, adjust brightness/contrast/saturation/hue/blur/grayscale/sepia/invert, strip EXIF, and undo/redo any step.
Create PDFs from images, merge documents, and reorder pages with smooth animated drag-and-drop. Append more files to your batch anytime with 'Add More Files'.
A full in-browser PDF editor: rotate/reorder/delete/duplicate pages, merge, split/extract, add text, images, signatures, watermarks, page numbers, edit metadata, and lock/unlock with a password — with undo/redo. 100% private.
Create social media assets quickly with modern templates, optimization presets, and production-ready output.
Typing Master with live WPM, accuracy, mistake tracking, timer modes, and focused typing practice.
Upload any PDF and have it read aloud with adjustable voice, speed, pitch, volume, page navigation, and text search.
Full-featured online IDE for JavaScript, TypeScript with Node.js runtime, Python, HTML, Markdown, and SQL — with execution, formatting, linting, and file management.
Professional color workspace with EyeDropper API, palette generation (complementary, analogous, triadic), color mixing, WCAG accessibility checker, and multi-format export.
Postman-style API client with method, auth, headers, payload, timeout control, and parallel request execution with response analytics and diagnostics.
Design and manage mock API endpoints with customisable responses, status codes, delays, and categories — ideal for frontend development and integration testing.