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Utility Toolkit
42 tools that run entirely in your browser — formatters, converters, generators, and more. Fast, private, offline-ready.
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Formatters
7 tools</>
Encoders / Decoders
8 toolsBase64 Encoder/Decoder
Encode and decode Base64 strings
URL Encoder/Decoder
Encode and decode URL components
JWT Decoder
Decode and inspect JWT tokens
HTML Entity Encoder/Decoder
Encode and decode HTML entities
Unicode Encoder/Decoder
Convert text to/from Unicode escapes
GZip Compress/Decompress
Compress and decompress text with GZip
Hex Encoder/Decoder
Convert text to/from hexadecimal
Morse Code Encoder/Decoder
Convert text to/from Morse code
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Generators
8 toolsUUID Generator
Generate UUID/GUID values
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
Password Generator
Generate secure random passwords
Lorem Ipsum Generator
Generate placeholder text
QR Code Generator
Generate QR codes from text or URLs
CRON Parser
Parse and explain CRON expressions
Color Picker
Pick and convert colors between formats
File Checksum
Calculate file hashes (MD5, SHA-256, etc.)
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Converters
6 toolsJSON ↔ YAML Converter
Convert between JSON and YAML formats
JSON ↔ CSV Converter
Convert between JSON and CSV formats
Timestamp Converter
Convert between Unix timestamps and dates
Number Base Converter
Convert numbers between bases (bin, oct, dec, hex)
XML ↔ JSON Converter
Convert between XML and JSON formats
Markdown Preview
Preview Markdown rendered as HTML
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Text Tools
6 toolsRegex Tester
Test and debug regular expressions
Text Diff
Compare two texts and show differences
Case Converter
Convert text between different cases
Word & Character Counter
Count words, characters, lines, and more
Text Sorter & Deduplicator
Sort lines and remove duplicates
List Converter / Joiner
Convert lists between delimiters
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Network / Web
3 tools◆
Diagrams
4 toolsBuilt by Top · All tools run locally in your browser