Free Online Tools for Public Use

Free online first social media site tools, Aspect Ratio Finder (Photos/Videos), RC4Drop Encrypt / Decrypt, 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.

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Aspect Ratio Finder (Photos/Videos)

by free-tools.io Executed 639 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

RC4Drop Encrypt / Decrypt

by free-tools.io Executed 108 times

Simple tool to encrypt and decrypt using RC4Drop. It was discovered that the first few bytes of keystream are strongly non-random and leak information about the key. We can defend against this attack by discarding the initial portion of the keystream. This modified algorithm is traditionally called RC4-drop. By default, 192 words (768 bytes) are dropped by this tool.

rc4drop rc4 cipher crypto cryptography security hash encrypt encryption decrypt decryption crypto cryptography security hashing generator hash-generator