URL Extractor

Pull every hyperlink and URL out of a block of messy text or HTML.

Input

Upload File

Output

Frequently Asked Questions

Does it extract both http and https links?

Yes, it uses regular expressions to find all valid URL patterns.

URL Extractor

Local Device Tool (Zero Data Upload)

Pull every hyperlink and URL out of a block of messy text or HTML.

Key Capabilities

Does it extract both http and https links?

Yes, it uses regular expressions to find all valid URL patterns.

Frequently Asked Questions

Does it extract both http and https links?

Yes, it uses regular expressions to find all valid URL patterns.

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URL Extractor — Developer Utilities — Data Format Conversion and Encoding

Understanding Data Serialization Formats

When using URL Extractor, it helps to understand the underlying technology. Software developers frequently work with structured data formats like JSON (JavaScript Object Notation), CSV (Comma-Separated Values), XML (Extensible Markup Language), and YAML (YAML Ain't Markup Language). Each format has different strengths: JSON is the standard for web APIs and configuration files. CSV is universally supported by spreadsheet applications. XML is used in enterprise systems and document formats. YAML is popular for human-readable configuration. Our conversion tools transform data between these formats instantly, handling edge cases like nested objects, special characters, and encoding differences.

Cryptographic Hash Functions

Hash functions like MD5, SHA-1, SHA-256, and SHA-512 convert any input data into a fixed-length string of characters called a hash or digest. These functions are one-way — you cannot reverse-engineer the original input from the hash. They are used for password storage, data integrity verification, digital signatures, and file deduplication. SHA-256 is the current standard for security-sensitive applications. MD5 and SHA-1 are considered cryptographically broken for security purposes but are still useful for checksums and non-security applications. All our hash generators run entirely in your browser — your data is never transmitted.

Text Encoding and Character Sets

Computers store text as numbers. ASCII maps 128 characters (English letters, digits, basic punctuation) to numbers 0-127. Unicode extends this to over 140,000 characters covering virtually every writing system on Earth. UTF-8 is the dominant encoding on the web, using 1-4 bytes per character. Base64 encoding converts binary data (like images or files) into a text-safe format using 64 printable ASCII characters. URL encoding replaces special characters with percent-encoded equivalents for safe transmission in web addresses. Our encoding tools handle all these transformations with proper error handling for malformed input.

Privacy for Developer Tools

All DoctorDocs developer tools process your data entirely in your browser using JavaScript. No API calls, no server uploads, no telemetry. This is critically important for developers working with sensitive data — API keys, database connection strings, configuration secrets, or proprietary code. When you paste a JSON payload to format it, or generate a SHA-256 hash of a password, the data exists only in your browser's memory. Close the tab and it is gone. This makes DoctorDocs developer tools safe to use with production data and secrets.

URL Extractor

Input

Output

Frequently Asked Questions

Does it extract both http and https links?

URL Extractor

Key Capabilities

Does it extract both http and https links?

Frequently Asked Questions

Does it extract both http and https links?

Related Tools

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URL Extractor — Developer Utilities — Data Format Conversion and Encoding

Understanding Data Serialization Formats

Cryptographic Hash Functions

Text Encoding and Character Sets

Privacy for Developer Tools

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URL Extractor

Input

Output

Frequently Asked Questions

Does it extract both http and https links?

URL Extractor

Key Capabilities

Does it extract both http and https links?

Frequently Asked Questions

Does it extract both http and https links?

Related Tools

Snake to Camel Case

Compare Code

SQL Formatter

CSS Beautifier

URL Extractor — Developer Utilities — Data Format Conversion and Encoding

Understanding Data Serialization Formats

Cryptographic Hash Functions

Text Encoding and Character Sets

Privacy for Developer Tools

Explore Related Tools

Snake Case to Camel Case Converter

Compare Code Online

SQL Beautifier & Formatter