แปลงข้อมูล
Unit, base, encoding and data converters
Select a tool below. Every tool runs locally in your browser and is free to use.
🔄 แปลงข้อมูล · Total 25 tools
Area ConverterArea converter: convert between sqm, mu, hectare and sqft with live table for daily and engineering, with one-click copy, offline and multilingual.
Binary TranslatorBinary translator: support text and binary conversion with bulk and format for learning and dev, with one-click copy, offline.
เครื่องแปลงหน่วย BYTE / พื้นที่จัดเก็บByte converter: converts B/KB/MB/GB/TB/PB and KiB/MiB/GiB/TiB with decimal/binary distinction. For developers. Supports batch processing, export and one-click copy.
Clothing Size ConverterClothing size converter: convert CN, US, EU and JP sizes with chest/waist/hip charts for men, women, kids and shoes for cross-border shopping.
Cooking ConverterCooking converter: convert volume, weight and temperature among cups, oz, g, ml, °C/°F with ingredient densities for baking and recipes.
เครื่องแปลงอัตราแลกเปลี่ยนสกุลเงินCurrency converter: 30 currencies with cached rates for offline use (USD,EUR,CNY,JPY). For travel and trade. Supports batch processing and one-click copy.
Data Rate ConverterData rate converter: convert between Mbps, MB/s, Gbps and more speed units with download time reference for networking, one-click copy and offline.
Decibel ConverterDecibel converter: convert dB, dBm, dBV and power/voltage ratios with reference impedance and SPL for audio and RF engineering.
Energy ConverterEnergy converter: convert between joules, kJ, calories, kcal, Wh and kWh showing all units at once for nutrition and energy, with one-click copy and offline.
Frequency ConverterFrequency converter: convert between Hz, kHz, MHz, GHz and wavelength showing all results at once for wireless and communications, with one-click copy and offline.
Hat Size ConverterHat size converter: convert head circumference among US/EU/UK sizes with cm and inches for online hat shopping. Supports batch processing and one-click copy.
Length ConverterLength converter: convert length among meters, feet and inches with common references for engineering and daily use. Supports batch processing and one-click copy.
Fuel Economy ConverterMPG to L/100km: convert between MPG and L/100km with US and UK standards for cross-border fuel economy comparison. Supports batch processing and one-click copy.
เครื่องแปลงเลขฐานNumber base converter: convert between binary, octal, decimal and hex with live four-base view for programming, with one-click copy, offline and history.
Oven Temperature ConverterOven temperature converter: convert Celsius, Fahrenheit and gas marks with baking table for cooking, with one-click copy, offline and history.
Pressure ConverterPressure converter: convert between Pa, bar, PSI and mmHg with live table for engineering and physics, with one-click copy, offline and multilingual history.
Roman Numeral ConverterRoman numeral converter: convert between Arabic and Roman numbers with rules and validation for learning and history, with one-click copy, offline and multilingual.
Shoe Size ConverterShoe size converter: convert between CN, US, EU, JP and UK sizes with foot length CM for shopping, with one-click copy, offline and multilingual.
Speed ConverterSpeed converter: convert between m/s, km/h, mph and knots showing all units at once for travel and engineering, with one-click copy and offline.
Temperature ConverterTemperature converter: convert between Celsius, Fahrenheit and Kelvin with live table for daily and science, with one-click copy, offline and multilingual.
Time Units ConverterTime units converter: convert between seconds, minutes, hours, days, weeks, years with live table for study and daily, with one-click copy, offline.
Torque ConverterTorque converter: convert N·m, lb·ft and kg·m with base rates and vehicle references for automotive and mechanical desi Supports batch processing and one-click copy.
เครื่องแปลงหน่วยUnit converter: convert length, weight, temperature and data storage units with common pairs for daily, with one-click copy and offline.
Volume ConverterVolume converter: convert between liters, mL, m³, gallons and cups with all results at once for kitchen, one-click copy and offline.
Weight ConverterWeight converter: convert between kg, lb, oz and more with live table for daily and science, with one-click copy, offline and multilingual.
FAQ
What is the แปลงข้อมูล category?
The แปลงข้อมูล category includes 25 free online tools for common needs. All run locally in your browser - no sign-up or install required.
Are these tools free?
Yes, all tools are free with no usage limits.
Do I need to register?
No. Open a page and use it right away - your data stays in your browser.
Which languages are supported?
This site supports 12 languages: Chinese, English, Japanese, Korean, Spanish, French, German, Portuguese, Russian, Arabic, Indonesian and Hindi.