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Free, browser-based tools for developers and everyday tasks. No ads, no tracking.

Conversion
3
Byte Converter

Convert between different byte units (KB, MB, GB, TB, etc.)

bytesmemorystoragedata
Color Converter

Convert between different color formats (HEX, RGB, HSL)

colorsdesignhexrgb
Hour to Decimal Converter

Convert hours and minutes to decimal time format

timedecimalhoursminutes
Encoding & Hashing
3
Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 strings back to plaintext

base64encodedecodesecurityjwtctf
Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text

hashmd5sha256sha512checksumsecurity
URL Encoder / Decoder

Percent-encode URLs or decode encoded strings for web and security use

urlencodedecodepercent-encodingsecurityweb
Formatting
1
Text Case Converter

Convert text between different cases (lowercase, uppercase, title case, etc.)

textcasecapitalization
Generators
2
Reverse Shell Generator

Generate reverse shell one-liners for Bash, Python, PHP, PowerShell and more

reverse-shellpentestctfsecurityred-team
Lorem Ipsum Generator

Generate placeholder Lorem Ipsum text by paragraph, sentence, or word count

loremipsumplaceholdertextdesign
Utilities
2
Character & Word Counter

Count characters, words, sentences and calculate reading time

textcountwordscharacterscontent
IP Subnet Calculator

Calculate network address, broadcast, host range, and subnet mask from CIDR notation

ipsubnetcidrnetworksecuritypentest
FFx64b

Software engineer from Switzerland building modern web applications with React, Next.js, TypeScript, and Go.

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