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Hash
Text hashes
Hash Generator
SHA-256 and SHA-512 Hash Generator
File hashes
File Hash Generator
Encoding
Text encoding
Base64 Encoder and Decoder
URL Encoder and Decoder
Encoding Converter
File encoding
File Encoding Converter
Format
JSON
JSON Formatter and Validator
JWT Decoder
XML
XML Formatter and Validator
Convert
Case
Case Converter
Time
Timestamp
Unix Timestamp Converter
Current UTC Time
Schedule
Cron Parser
Text
Inspect
Regex Tester
Text Diff Checker
Color
CSS
Color Converter
Generate
Identifiers
UUID v4 Generator
Other
Codes
QR Code Generator
Developer utilities
Developer tools for everyday data work.
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Tool directory
Hash
Text hashes
Hash Generator
Generate CRC32, CRC32C, MD5, SHA, SHA-3, Keccak, RIPEMD, and BLAKE hashes.
SHA-256 and SHA-512 Hash Generator
Generate SHA-256 and SHA-512 hashes for text values and examples.
File hashes
File Hash Generator
Generate checksums and digests for files up to 5 MB.
Encoding
Text encoding
Base64 Encoder and Decoder
Encode and decode Base64 strings, including Unicode-safe examples.
URL Encoder and Decoder
Encode URL components and decode percent-encoded strings.
Encoding Converter
Convert text with Hex, Base32, Base58, Base64, HTML entity, and URL encoders.
File encoding
File Encoding Converter
Convert files up to 2 MB into Base64 or Hex text.
Format
JSON
JSON Formatter and Validator
Format, validate, minify, and inspect JSON with parse errors that point to the problem.
JWT Decoder
Decode JWT headers and payloads without validating the token signature.
XML
XML Formatter and Validator
Validate, format, and minify XML documents.
Convert
Case
Case Converter
Convert text into lower, upper, camel, Pascal, snake, kebab, and constant case.
Time
Timestamp
Unix Timestamp Converter
Convert UTC dates to Unix timestamps and convert seconds or milliseconds back to dates.
Current UTC Time
View the current UTC time, ISO string, and Unix timestamp without page refreshes.
Schedule
Cron Parser
Explain cron expressions and preview upcoming run times in UTC.
Text
Inspect
Regex Tester
Test JavaScript regular expressions against sample text with match groups and errors.
Text Diff Checker
Compare two text blocks with side-by-side line changes and word-level highlights.
Color
CSS
Color Converter
Convert CSS colors between hex, RGB, and HSL formats.
Generate
Identifiers
UUID v4 Generator
Generate random UUID v4 identifiers with one-click copy.
Other
Codes
QR Code Generator
Generate an SVG QR code for text or URLs.