Random picks
Stopwatch
A precise online stopwatch with lap time recording. Track time with millisecond accuracy, record splits, and analyze your timing data.
Image Watermark Tool
Support for both text and image watermarks with customizable options for position, size, opacity, and rotation.
Screen Recorder
Professional screen recording tool that captures everything on your screen in high definition. Record specific windows, full screen, or custom areas with audio from system and microphone.
RGB Color Picker
Pick colors by adjusting red, green, and blue sliders. Copy HEX or RGB in one click and explore random colors for quick inspiration.
RMB Amount Converter
Convert between numeric RMB amounts and their formal Chinese written equivalents. Essential for financial documents, invoices and checks.
Regex Tester
Test and debug regular expressions in real-time with this interactive tool. Supports JavaScript regex syntax with highlighting of matches.
Text Encryption Tool
Secure your sensitive information with AES, TripleDES, Rabbit or RC4 encryption algorithms. Encrypt and decrypt text easily with a secret key.
Invoice QR/Barcode Scanner
Scan and extract information from VAT invoice QR codes or standard barcodes (EAN-13). Automatically extracts amount, date and other details. Supports batch scanning and exportable records.