Yaya ToolsSimple tools. Private by design.
All tools
Pay & Work
  • Time Card Calculator
  • Overtime Pay Calculator
  • Hourly to Salary Calculator
  • Tip Calculator
Finance & Shopping
  • Compound Interest Calculator
  • Simple Interest Calculator
  • Discount Calculator
  • Sales Tax Calculator
  • Loan Calculator
  • Debt Payoff Calculator
  • Savings Goal Calculator
  • Return on Investment (ROI) Calculator
  • Gas Cost Calculator
Health & Fitness
  • BMI Calculator
  • BMR/TDEE Calculator
Math & Conversion
  • Percentage Calculator
  • GPA Calculator
  • Grade Calculator
  • Unit Converter
  • Average/Median/Mode Calculator
  • Standard Deviation/Variance Calculator
  • Number Sum Calculator
  • Fraction Calculator
  • Ratio Calculator
  • Area & Volume Calculator
  • Concrete Calculator
  • Pace Calculator
  • Random Number Generator — Integers in a Range | Yaya Tools
Date & Time
  • Age Calculator
  • Date Interval/Days Calculator
  • Time Zone Meeting Planner
  • Timestamp Converter
Text Tools
  • Chinese Word Counter
  • Case Converter
  • Text Deduplicator
  • Text Replace
  • Text Sorter
  • Morse Code Translator — Text ↔ Morse | Yaya Tools
Developer tools
  • JSON Formatter
  • Base64 Encoder & Decoder
  • Hash Generator
  • AES Encrypt / Decrypt
  • JWT Decoder
  • JSON Diff Checker
  • URL Encoder & Decoder
  • URL Parser
  • Color Picker
  • Image Color Picker
  • Gemini Image Watermark Remover
  • Regex Tester
  • QR Code Generator
  • QR Decoder
  • Password Generator
  • GUID Generator
  • JSON to TypeScript
  • Crontab Next Runs
  • IPv4 Subnet Calculator
  • Integer Base Converter

Quick access

Recently used Favorites Blog
About Yaya Tools

Free Online Text Tools

Clean, count, convert, and reorganize text without uploading it.

Recent:

All text tools

6 tools

Chinese Word Counter

Count Chinese characters (Hanzi), English words, and paragraphs

Case Converter

Convert between casing styles like camelCase, snake_case, and kebab-case

Text Deduplicator

Remove duplicate lines, clear blank lines, and preserve original order

Text Replace

Find and replace text in bulk, with regular expression support

Text Sorter

Sort text lines ascending, descending, or randomly

Morse Code Translator — Text ↔ Morse | Yaya Tools

Encode and decode text as Morse code

No matching tools

Try another keyword

Tool navigation

yayatools is officially live on

Tool and product directories maintained by independent creators.

Featured on Findly.tools Featured on Findly.tools Featured on Twelve Tools Featured on Twelve Tools Launched on StartupBase Launched on StartupBase Yaya Tools - Featured on Startup Fame Yaya Tools - Featured on Startup Fame Listed on Turbo0 Listed on Turbo0 Fazier badge Fazier badge
Yaya Tools

Simple, fast, privacy-first browser utilities. No installation required—just open your browser.

About us Blog Contact us Privacy policy

Tool categories

  • Pay & Work
  • Finance & Shopping
  • Health & Fitness
  • Math & Conversion
  • Date & Time
  • Text Tools
  • Developer tools

© 2026 Yaya Tools

京ICP备16066763号-5