Test regular expressions by inputting patterns and text. Validate syntax with instant feedback. Compare matches and view detailed breakdowns of pattern components. Export results and save tested expressions for future use.
by Ningbo ZhongSheng Information Technology Co., Ltd.★ 0.00 ratingsUtilitiesFreeData updated 2026-09-12
Validate credit and debit card numbers to detect fraud. Identify card issuers without transmitting data. Check number sequence integrity. Confirm card type without account verification. Supports Visa, Mastercard, Discover, JCB, and other issuers.
Create double-sided with text, visuals, definitions, formulas, or poems. Organize into topic-based stacks. Customize stacks with notes and tags. Test knowledge with spaced repetition quizzes. Track progress with accuracy and time metrics.
Perform calculations with labeled numbers and visual connections. Edit expressions by dragging results or extracting sub-expressions. Automatically update linked values and view calculation history in real-time.
Calculate material waste by inputting sheet size and cutting pieces to generate an optimal layout. Support multiple materials including plywood, acrylic, and glass. Export layout plans for efficient cutting.
Track spent on tasks, work hours, and daily activities. Log for projects, commutes, social media use, and housework. View detailed breakdowns and analyze distribution. Set goals and monitor progress over .
Pet emotion recognition analyzes facial expressions and vocal tones to identify mood states. Users can upload videos, photos, or audio clips for analysis. The provides insights into pet behavior and emotional states.
Translate words or phrases between and English with instant, accurate results. Use a user-friendly interface to input text and receive translations. Access built-in dictionaries for detailed word meanings and grammar examples.
Scan QR codes with autofocus and camera control. Copy scanned results and visit URLs directly. Save generated QR codes and access scanned history. QR codes for URLs, text, and email. Share results via copy or browse.
Access real-time financial data through customizable dashboards. View automated cash position reports. Manage tasks and approvals for payments. Monitor and validate transactions on mobile devices.
Enter unit price, quantity, and discount to instantly calculate and margin. View detailed breakdowns and save calculation history. Create future quotes and access a simple, multilingual interface for global use.
Calculate fees with customizable percentage and base cost settings. Edit language preferences. View detailed breakdowns of fees and total costs. Save and export calculation results.
Import recipes from social media and websites. Organize and save them for future use. Plan meals with weekly schedules. Generate grocery lists and view detailed nutrition information. Add recipes via voice or photo.
Create custom emojis using a wide range of components and styles. Save them in packs for easy access. Export emojis to WhatsApp, iMessage, or photo albums. Share them within the and receive likes as rewards.
Create music arrangements by sequencing pattern changes across synthesizers, drum machines, and sequencers. Control multiple tracks with unlimited steps per track. Assign individual channels and CC numbers.
Display scrolling with customizable styles including color, background, font, and glow effects. Adjust scrolling direction for up, down, left, right, or fixed movement. Set content for messages, announcements, or personal expressions.
Calculate expressions, track history, and apply discounts
Perform calculations using expressions like 100+30-50. Calculate discounts and premiums with one touch. Automatically record and review calculation history. Use for shopping, tax, and estimation tasks.
Perform complex mathematical calculations including trigonometric functions, logarithms, and exponentials. Switch between radians and gradients. Edit equations and save results for future reference.
Create personalized content by answering personal questions and uploading a . View generated results to promote content. Requires paid subscription for full features.
Track property management expenses and financial updates in real time. View detailed breakdowns of maintenance costs and income. Set reminders for payments and receive alerts for upcoming deadlines. Export reports and share data with stakeholders.