Sample Size Calculator
Calculate the required sample size
- Sample size determination
- Flexible calculator
- Save results
Online tools for product and data analysts
Online utilities for calculations, data analysis, and hypothesis testing in product analytics.
Product analytics
Showing 13 tools
Chi-Square Test
Perform a statistical chi-square test
- Statistical analysis
- AB test result analysis
- Save results
Two-Sample T-Test
Compare the means of two samples
- Mean comparison
- Statistical testing
- Save results
Sample Ratio Mismatch Calculator
Calculate SRM (Sample Ratio Mismatch) for A/B testing
- Statistical analysis
- Ratio comparison
- SRM detection
Sequential Sampling Calculator
Calculate Sample Size for Sequential Testing in A/B Tests
- Statistical analysis
- Speed up hypothesis testing
- Sequential testing
Regex Tester
Test and validate regular expressions
- Regex testing
- Pattern matching
- Result validation
Timestamp Converter
Convert timestamps between different formats
- Timestamp conversion
- Date formatting
- Ready and flexible templates
URL Decoder
Decode URL-encoded strings
- Encode/Decode
- URL format support
- Special characters
QR Code Generator
Create QR codes for various data
- QR code generation
- Custom style
- Multiple formats
UTM Generator
Create UTM tags to track marketing campaigns
- UTM tag generator
- Traffic analysis
- Ad system templates
Pomodoro Timer
Manage your time efficiently using the Pomodoro technique
- Productivity boost
- Time settings
- Notifications
Redirect Checker
Check URL redirects and see where they lead
- Redirect analysis
- Chain checking
- Response codes
Bulk URL Opener
Open multiple links at once with a single click
- List operation
- Open all at once
- Bulk processing
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