Simple, Fast & Useful Online Tools for
Cambodia & Global Developers
Fast, Free & Private Online Utilities for Cambodians & Developers. All calculations and text processing happen securely inside your web browser. No data ever leaves your device.
QR Code Generator
Create custom QR codes for websites, Wi-Fi networks, plain text, and contact cards with instant high-res PNG download.
Color Converter & Generator
Convert HEX, RGB, HSL, CMYK in real-time, inspect WCAG text contrast accessibility ratios, and generate monochromatic color shades.
Categories
Browse tools organized by category
Popular Tools
Most frequently used utilities by the community
Khmer Number Converter
Convert Arabic numbers to Khmer numerals and spelled-out words in Riel & USD.
Khmer Text Utilities & ZWSP
Count Khmer words, characters, remove or inspect Zero-Width Spaces (ZWSP).
Khmer Date & Buddhist Era (B.E.)
Convert Gregorian dates to Khmer Buddhist Era (ព.ស.), 12 animal zodiac, and Sak.
Age Calculator
Calculate exact age in years, months, days, hours, and next birthday countdown.
Percentage Calculator
Calculate percentages, percent change, increases, and discounts effortlessly.
BMI Calculator
Calculate your Body Mass Index (BMI) with Asian & WHO health benchmarks.
All Tools
Explore every utility available on KhmerTools
Khmer Number Converter
Convert Arabic numbers to Khmer numerals and spelled-out words in Riel & USD.
Khmer Text Utilities & ZWSP
Count Khmer words, characters, remove or inspect Zero-Width Spaces (ZWSP).
Khmer Date & Buddhist Era (B.E.)
Convert Gregorian dates to Khmer Buddhist Era (ព.ស.), 12 animal zodiac, and Sak.
Khmer Unicode Sorter & Fixer
Repair broken Khmer subscript fonts, vowels, and diacritic rendering order.
Age Calculator
Calculate exact age in years, months, days, hours, and next birthday countdown.
Percentage Calculator
Calculate percentages, percent change, increases, and discounts effortlessly.
BMI Calculator
Calculate your Body Mass Index (BMI) with Asian & WHO health benchmarks.
Loan & Mortgage Calculator
Estimate monthly loan repayments, total interest, and amortization schedule in USD & KHR.
Date Difference & Calculation
Find days between two dates, or add/subtract days, weeks, and years.
JSON Formatter & Validator
Prettify, minify, validate, and format JSON code with syntax diagnostics.
UUID / GUID Generator
Generate cryptographically random UUID v4 strings in bulk with custom casing.
Base64 Encoder & Decoder
Encode and decode UTF-8 text and files/images to Base64 format.
JWT (JSON Web Token) Decoder
Decode JSON Web Tokens instantly to inspect header, payload, and expiry.
URL Encoder & Decoder
Safely encode or decode URLs and query parameters.
Unix Timestamp Converter
Convert Unix epoch timestamps to human dates in UTC and Cambodia ICT (UTC+7).
Color Converter & Generator
Convert HEX, RGB, HSL, CMYK, inspect contrast ratios, and copy CSS values.
QR Code Generator
Create custom QR codes for URLs, text, Wi-Fi, and phone numbers with PNG download.
Strong Password Generator
Generate secure, unbreakable passwords with customizable characters and strength meter.
Educational Guides & Documentation
Deep-dive reference articles on Cambodian numeral systems, currency rules, and developer security.
Complete Guide to Cambodian Riel (KHR) & Khmer Numerals
An in-depth guide exploring the historical origins of Khmer numerals (០-៩), linguistic counting structures, official National Bank of Cambodia formatting rules, and invoice word spelling.
Understanding the Buddhist Era (B.E.) Calendar in Cambodia
Explore the computational logic behind the Buddhist Era calendar, the 543/544-year Gregorian offset, Cambodian lunar-solar astronomical adjustments, and traditional religious holidays.
Client-Side Security Guide: Why In-Browser Tools Protect Your Sensitive Data
Learn how modern WebAssembly and JavaScript enable private, 100% in-browser utilities that guarantee zero data leakage, ideal for API keys, JSON payloads, and sensitive tokens.
Developer's Guide to JSON Formatting, Validation, and Standards
A deep exploration of RFC 8259 specifications, syntax rules, formatting techniques, common parsing traps (trailing commas, single quotes), and robust debugging patterns.
Why Choose KhmerTools?
Engineered for speed, privacy, and simplicity with zero backend tracking.
100% Client-Side Privacy
All calculations and text processing happen securely inside your browser. No server storage or API leaks.
Blazing Fast Performance
Zero latency. Built on Next.js with optimized client code for instantaneous response times.
No Account & Free Forever
Free to use anytime, anywhere on phone, tablet, or desktop with no paywalls or mandatory logins.