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Parse and extract valid URLs from text or HTML source code with support for multiple protocols.
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Manually sifting through large blocks of text or HTML code to find URLs is both time-consuming and prone to errors. The URL Extractor uses regular expressions and syntax analysis to automatically identify Uniform Resource Locators (URLs) that comply with RFC standards. It outputs a list of all valid link addresses, including HTTP, HTTPS, FTP, and mailto protocols.
Q: How much text can the URL Extractor process?
A: We recommend keeping the text length under 100,000 characters. Extremely long texts may cause response delays, so we suggest processing them in batches.
Q: Can it extract links dynamically generated by JavaScript?
A: No. This tool is based on static text parsing. It only processes plain text strings in the input and does not execute JS code.
The tool only supports text format input; binary files are not supported. It filters out syntactically invalid links but does not verify whether the links are reachable or active. When handling sensitive text, please note that this tool performs local front-end parsing, meaning there is no risk of data being uploaded to a server.
Advanced regex users can perform secondary filtering on the extracted results. For example, after extracting all HTTPS article links from a blog's HTML, you can use a regex like '/blog/.+' to further filter specific column content. Typical input/output example: Input 'Official site https://tool.com, contact mailto:help@tool.com', and the output will be two separate URLs on individual lines: https://tool.com and mailto:help@tool.com.
