Productivity & Office
Professional productivity tools including time tracking, project management, document templates and collaboration tools to enhance team and individual work efficiency.
Pomodoro Timer
A simple and effective Pomodoro timer to boost your productivity. Use the Pomodoro Technique to break work into focused 25-minute intervals with short breaks.
Random Name Picker
Randomly select names from a list for classroom roll calls, team assignments, lucky draws, and fair decision making. Support for weighted selection and history tracking.
Short URL Expander
Expand shortened URLs to reveal the actual destination. Check where short links lead before clicking for security and transparency.
Number List Sum Calculator
Fast batch number calculator for sum, average, min, max, count, and median. Paste any list of numbers and get instant statistical analysis. No spreadsheet needed - perfect for quick calculations.
Chinese Amount Uppercase Converter
Convert numbers to Chinese uppercase amount format (大写金额). Essential tool for financial documents, invoices, checks, and contracts in Chinese business contexts to prevent fraud and alteration.
CSV Chinese Encoding Fixer
Fix garbled Chinese characters in CSV files instantly. Resolve UTF-8, GBK, GB2312 encoding issues when opening CSV in Excel. Convert messy text to readable Chinese in seconds.
Excel Phone Number Extractor - Extract Mobile Numbers from Spreadsheets
Extract Chinese mobile phone numbers from Excel files instantly. Auto-detect carrier (China Mobile, Unicom, Telecom), format numbers, and export to CSV/TXT. Perfect for contact list cleaning and CRM data processing.
Excel Link Extractor - Batch Extract URLs & Hyperlinks
Extract all URLs, hyperlinks, and email addresses from Excel files instantly. Batch extract links from .xlsx, .xls, CSV files with cell location tracking. Perfect for SEO audits and data migration.
Free Online CSV Viewer - View & Analyze CSV Files Instantly
Free online CSV viewer to open, view and analyze CSV files in browser. No installation needed. Support large files, search, filter, sort and export. Paste CSV data or upload files. 100% secure and private.