Practical Online Toolbox - Free Online Tools Collection
Encode and decode text using Base64
Format, compress and validate JSON data
Free online JSON to Table converter tool. Convert JSON arrays to HTML tables and export to CSV/Excel files. Runs locally to protect your data privacy.
Real-time Markdown text rendering preview
Free online Unicode converter tool. Convert text to Unicode and Unicode to text. Supports \\uXXXX, &#xXXXX;, and &#XXXX; formats. Runs locally in your browser for privacy.
Online URL encode and decode tool.
Online word counting tool to calculate characters, words, and lines.
Free online EXIF viewer. Drag or select images to parse camera model, shutter speed, aperture, ISO, focal length, shooting time, and GPS. All parsing runs locally in your browser.
Compress images to JPEG/PNG/WebP with quality and size settings
Free online image to SVG converter, converts JPG/PNG bitmaps to SVG vector graphics. Supports color count and blur adjustment, processes locally in browser.
Free online tool to remove white background from images and convert to transparent PNG. Supports threshold adjustment, processes locally in browser for privacy.
Convert between HEX, RGB, and HSL color formats
Online JWT (JSON Web Token) decoder tool
Generate Lorem Ipsum placeholder text online.
Online regex testing and debugging tool
Generate standard UUID/GUID unique identifiers
View your browser fingerprint information online
Check DNS records (A, MX, NS, etc.) and Whois information for any domain
Look up your IP address and geolocation information online
Convert between timestamp and datetime
Quickly calculate invoice amounts with tax and discount support
Convert numbers to Chinese RMB uppercase
Online QR Code generator tool