grep in your browser. Supports regex.
Works like the Unix grep command — filter lines of text by a pattern. Supports plain text and full JavaScript regular expressions. Use "Invert" to exclude matching lines instead. Runs entirely in your browser.
Text processing is a daily task for developers, writers, data analysts, and content managers alike. The Text Grep is Filter text lines by pattern — like grep in your browser — and it runs entirely in your browser with no data sent to any server. Whether you are a developer, data analyst, student, or technical user, this free tool removes friction from your workflow and gives you instant, accurate results every time. If you need to take the output a step further, try the Regex Tester — it handles the next stage of the workflow.
The Text Grep is a free, browser-based utility that filter text lines by pattern — like grep in your browser. It processes your input locally using JavaScript, which means all operations happen on your device — no uploads, no server processing, and no privacy concerns. The result is immediate, updating as you interact with the tool. Alternatively, if you are looking for something slightly different, the Remove Duplicate Lines may be a better fit.
Tools like this are used every day by web developers, DevOps engineers, data scientists, security professionals, and content creators. The Text Grep belongs to this class of essential utilities that save time, reduce errors, and streamline everyday technical tasks.
There are many generic tool sites online, but the Text Grep on Chunky Munster is built with a developer-first mindset. Everything runs in your browser — there are no paywalls, no rate limits, no forced sign-ups, and no advertisements disrupting your concentration. For related work, the Remove Empty Lines is another popular tool worth bookmarking.
The Text Grep processes and transforms text directly in your browser. It handles the operation instantly as you paste or type your content.
Yes — 100% free with no sign-up, no usage limits, and all processing done locally in your browser.
There is no enforced limit. The tool handles large text inputs well, though very large documents may vary by browser memory.
Yes. The tool is responsive and works on smartphones and tablets as well as desktop browsers.
The Text Grep is a free, private, and reliable tool for every developer and technical user. Bookmark this page for fast access, share it with your team, and explore the full collection of tools at Chunky Munster — all free, all browser-based, all yours. You might also find these related tools useful: Regex Tester, Remove Duplicate Lines, Remove Empty Lines.