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UUID & ID Generator Tools

Generate UUIDs v1, v4, v7, GUIDs, and ULIDs online. Random and time-ordered identifiers for developers — all generated in your browser. Perfect for database primary keys, distributed system IDs, and unique object identifiers. No server-side generation, instant results.

UUID v4 Generator

Generate random RFC 4122 compliant UUID v4.

UUID v7 Generator

Generate time-ordered UUID v7 identifiers.

UUID v1 Generator

Generate timestamp-based UUID v1.

ULID Generator

Generate universally unique lexicographically sortable IDs.

GUID Generator

Generate globally unique identifiers.

What is a UUID?

Learn what UUIDs are, formats, and version differences.

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JSON Formatter

Make your JSON sparkle with clean, readable formatting.

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Edit JSON with interactive tree view and Monaco code editor.

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Switch your JSON to human-friendly YAML on the fly.

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Edit XML with interactive tree view and CodeMirror code editor.

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Convert complex XML to friendly JSON in seconds.

YAML Editor

Edit YAML with interactive tree view and CodeMirror code editor.

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Convert readable YAML into structured JSON effortlessly.

TOML Editor

Edit TOML with interactive tree view and CodeMirror code editor.

Base 64 Converter

Switch between base64 and other formats with ease.

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Generate and download images from base64 text

Image to Base 64

Convert images (PNG, JPEG, GIF, SVG, WebP) to Base64 strings and data URIs

Timestamp Converter

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UUID v1 Generator

Generate UUID v1: time-based unique identifiers for distributed systems.

UUID v3 Generator

Generate UUID v3: name-based UUIDs using MD5 hashing.

UUID v4 Generator

Generate UUID v4: random UUIDs for general-purpose unique IDs.

UUID v5 Generator

Generate UUID v5: name-based UUIDs using SHA-1 hashing.

UUID v7 Generator

Generate UUID v7: time-ordered, sortable UUIDs ideal for databases.

GUID Generator

Generate GUIDs: Microsoft-style UUIDs compatible across platforms.

ULID Generator

Generate ULIDs: lexicographically sortable unique IDs for modern apps.

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Encode URLs to URL-safe format instantly.

URL Decoder

Decode URL-encoded strings back to plain text.

JSON URL Encoder

Encode JSON objects to URL-safe strings.

JSON URL Decoder

Decode URL-encoded strings back to JSON.

XML URL Encoder

Encode XML to URL-safe strings.

XML URL Decoder

Decode URL-encoded strings back to XML.

YAML URL Encoder

Encode YAML to URL-safe strings.

YAML URL Decoder

Decode URL-encoded strings back to YAML.

Sort Lines

Sort lines of text alphabetically or numerically.

Remove Duplicates

Remove duplicate lines from text instantly.

Word Counter

Count the number of words in your text.

Character Counter

Count the number of characters in your text.

Line Counter

Count the number of lines in your text.

Duplicate Counter

Count duplicate lines in your text.

Spaces to Newlines

Convert spaces to newlines or vice versa.

Sort Words

Sort words in your text alphabetically.

String Case Converter

Convert strings between camelCase, PascalCase, snake_case, kebab-case, and more.

HTML Entity Encoder

Encode special characters to HTML entities instantly. Perfect for escaping HTML, XML, and XSS prevention.

HTML Entity Decoder

Decode HTML entities back to readable text. Convert & < > and other entities to characters.

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