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Whitespace & Line-Break Cleaner
The Whitespace & Line-Break Cleaner strips the messy, invisible formatting that creeps into text copied from PDFs, Word documents, spreadsheets, and web pages, leaving clean output you can paste anywhere with confidence. Doubled spaces, stray tabs, ragged blank lines, and zero-width or non-breaking characters all break keyword lists, redirect maps, meta tags, and structured data in ways that are almost impossible to spot by eye.
This tool applies real regex transforms live as you type, shows the exact character count before and after, and lets you toggle each cleanup rule on or off. It is completely free and runs entirely in your browser, so even large or confidential pastes never leave your device.
🔒 Private: everything runs in your browser. Nothing you paste is uploaded.
How to use the whitespace cleaner
Paste your text on the left, tick the cleanup rules you want, and the cleaned version appears instantly on the right with a live before-and-after character count. Every transform is a real, ordered regex operation, not a guess.
Why invisible characters quietly break SEO work
Copying a keyword list out of a PDF or a Google Doc often drags along non-breaking spaces, zero-width spaces, and soft hyphens that look identical to a normal space but are different code points entirely. Those characters break exact-match keyword grouping, corrupt CSV redirect maps, and slip into title tags where they bloat the pixel width without showing on screen. The cleaner detects and strips U+00A0, U+200B through U+200D, the BOM, and a dozen other Unicode spaces, then reports exactly how many it removed so nothing hides.
Choose the cleanup rules that match your task
Each option is independent, so you can build exactly the cleanup you need. Trimming and space-collapsing fix ragged indentation; converting tabs to a chosen width normalises pasted code or table data; collapsing or removing blank lines tightens long documents. The join-to-one-line option flattens a multi-line paste into a single string, dropping empty lines so it never produces a double space. Rules run in a deliberate order, normalising line endings and invisible characters first so later steps work on clean, predictable input.
Verify the result with the before-and-after counts
Cleaning text is only trustworthy if you can see what changed, so the tool counts Unicode code points rather than raw bytes, meaning emoji and accented letters each count as one character exactly as a human would expect. The status chips show the character total before and after, how many characters were removed, the line count change, and a breakdown of how many non-breaking spaces, zero-width characters, and tabs were handled. If nothing needed cleaning, it says so rather than pretending it found a problem.
Whitespace cleaner frequently asked questions
Q1What does collapsing multiple spaces actually do?
It replaces any run of two or more consecutive spaces or tabs inside a line with a single space, so text that was padded for alignment becomes evenly spaced. It only affects runs of two or more, so deliberate single spaces between words are never touched. Combined with per-line trimming, it turns ragged, copy-pasted text into clean, uniform prose ready for a meta description or content field.
Q2What are zero-width and non-breaking spaces, and why remove them?
They are invisible Unicode characters such as the non-breaking space (U+00A0), zero-width space (U+200B), and byte-order mark that paste in from documents and web pages while looking exactly like a normal gap. They silently break exact-match keyword grouping, CSV parsing, and title-tag pixel budgets. The cleaner converts non-breaking spaces to real spaces and deletes truly zero-width characters, then tells you how many it found.
Q3Is my pasted text uploaded or stored anywhere?
No. Every transform runs locally in your browser using client-side JavaScript, and nothing you paste is sent to a server, logged, or saved. The tool keeps working even if you disconnect from the internet after the page loads, which makes it safe for confidential client content, unpublished copy, or large internal documents.
Q4How does converting tabs to spaces work?
Each tab character is replaced by a fixed number of spaces that you choose from the tab-width selector, with one, two, four, or eight spaces available. Four is the common default for pasted code, while two suits tighter formatting. The conversion runs before space-collapsing, so if you also enable collapsing, the resulting block of spaces is reduced to a single space where appropriate.
Q5What is the difference between collapsing and removing blank lines?
Collapsing blank lines reduces any stretch of consecutive empty lines down to a single blank line, preserving the visual separation between paragraphs while removing excess gaps. Removing blank lines deletes every empty line entirely, packing the text tightly together. Choose collapsing to tidy spacing while keeping structure, and removing when you need a dense block with no vertical gaps at all.
