AllInOneTool

Free online tools, no sign-up

Small, fast utilities that run right in your browser — files never leave your device. Pick one below or search.

Convert & Files

• Image Converter & Compressor Convert PNG / JPEG / WebP, compress and resize — batch mode, 100% local. ›
• Online Image Editor Layers, blend modes, filters & effects — a full photo editor in your browser. ›
• PDF Tools Merge, split, rotate PDFs or turn images into a PDF — no upload. ›

Data & Text

• JSON Formatter & Validator Pretty-print or minify JSON, with exact error line and column. ›
• Number Base & Unit Converter Binary / octal / decimal / hex, plus length, weight, data and temperature. ›
• Time / Timestamp Converter Unix timestamp ↔ local time, string or picker input, plus a ± calculator. ›
• QR Code Generator Links, Wi-Fi or text to QR — pick colors and size, download as PNG. ›
• String Tools Character composition stats, random strings with custom character sets, find & delete, reversal. ›
• Text to Speech Turn text into natural speech with your browser's voices — speed, pitch & word highlighting. ›

Crypto & Security

• Crypto Tools AES / RSA keys & encryption, MD5 / SHA file fingerprints — 100% local. ›

Screen & Display

• Dead Pixel Test Full-screen colors, gradients & a grid to find dead, stuck or hot pixels on any display. ›

Drawing

• Whiteboard Draw hand-drawn diagrams, flowcharts and wireframes on an infinite canvas. ›

Downloads

• Release Hub Search and download the latest release builds of popular open source projects. ›

Discover

• Tool Radar A daily-updated ranking of the hottest open-source tools that run in your browser. ›

More tools are on the way — this list grows over time.