Tool
JSON Formatter
Format, validate, minify, and copy JSON without sending data to a server.
Developer · LocalUseful work
Free online tools
Use focused utilities for JSON, images, timestamps, units, and QR codes.
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Small utilities with clear inputs, useful outputs, and no required account.
Tool
Image Compressor
Resize and compress JPG, PNG, or WebP images entirely inside your browser.
Creative · LocalTool
Timestamp Converter
Convert Unix timestamps and local dates in both seconds and milliseconds.
Developer · TimeTool
Unit Converter
Convert common length, mass, temperature, area, and data units.
Everyday · 5 categoriesTool
QR Code Generator
Turn a URL or a short message into a downloadable QR code locally.
Utility · Download PNG