Free Online Tools for Public Use

Free utility tools collection and very useful for basic needs. These tools are developed and maintained for public use for free. You are free to collaborate to add more tools to this platform.. Are you missing any needy tool? Please request below.

Request for New Tool Publish your tool with our SDK
Tools 68
AES Encrypt / Decrypt
by free-tools.io Executed 7,136 times

Simple tool to encrypt and decrypt using AES. The Advanced Encryption Standard (AES) is a U.S. Federal Information Processing Standard (FIPS). It was selected after a 5-year process where 15 competing designs were evaluated. This tool supports AES-128, AES-192, and AES-256. It will pick the variant by the size of the key you pass in. If you use a passphrase, then it will generate a 256-bit key.

aes cipher aes-128 aes-192 aes-256 crypto cryptography security hash encrypt encryption decrypt decryption crypto cryptography security hashing generator hash-generator
Angle Unit Converter
by free-tools.io Executed 153 times

Simple tool convert between angle units (deg, rad, grad, arcmin, arcsec)

converter degree radius angle unit-converter
Apparent Power Unit Converter
by free-tools.io Executed 88 times

Simple tool convert between apparent power units (VA, mVA, kVA, MVA, GVA)

converter apparent-power VA mva kva unit-converter
Area Unit Converter
by free-tools.io Executed 190 times

Simple tool convert between area units (mm2, cm2, m2, ha, km2, in2, ft2, ac, mi2)

converter milli-meter centi-meter area feet mile metre unit-converter
Aspect Ratio Finder (Photos/Videos)
by free-tools.io Executed 1,831 times

Simple tool to find out right aspect ratio for the given dimensions. Very much useful while creating pictures or movies.

aspect ratio aspect-ratio photos media image video movie
Basal Metabolic Rate (BMR) Calculator
by free-tools.io Executed 4 times

Quick online BMR (Basal Metabolic Rate) calculator.

fitness health calculate calculator bmr metabolic basal-metabolic-rate
Base64 Encoder Decoder
by free-tools.io Executed 1,825 times

Simple tool encode and decode Base64 strings

security encoding decoding base64
Beautify JSON/XML/CSS/JS/HTML
by free-tools.io Executed 6 times

Beautify multiple code formats. This tool supports JSON, XML, CSS, JS, HTML

beautify format pretty json xml css js javascript html
Bitcoin (BTC) Address Generator
by free-tools.io Executed 163 times

Generate your own Bitcoin (BTC) wallet address to receive funds

security crypto currency bitcoin btc finance fund wallet address generator
Coin Flip
by free-tools.io Executed 90 times

Simple tool simulate coin flip and show the result

luck coin flip random
Color Scheme Generator
by free-tools.io Executed 242 times

Generates various color scheme palete

color hexa code colour generator
Crypto Address/Wallet Balance Checker
by free-tools.io Executed 47 times

Check crypto wallet balance online for any crypto currency address. It supports almost all crypto addresses like Bitcoin, Litecoin, Dogecoin, Ethereum, Counterparty, Open Assets Protocol, Ripple and Ripple based IOUs, Omni, NXT and NXT AE, NEM, Bitshares with account names, Factom, Dash, PeerCoin, Blackcoin, Grantcoin, CapriCoin, Rubycoin, etc...

crypto encoding balance-checker crypto checker wallet balance Bitcoin Litecoin Dogecoin Ethereum Counterparty Open Assets Protocol Ripple Ripple based IOUs Omni NXT and NXT AE NEM Bitshares accoutn Factom Dash PeerCoin Blackcoin Grantcoin CapriCoin Rubycoin BTC LTC ETH DOGE DASH