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Lizely

Line Break Remover

Replace, remove, or paragraph-normalize standardized line breaks without trimming or collapsing other whitespace.

Privacy: your files never leave your device. All processing happens locally in your browser.

How to use

  1. 1.Paste text and choose one-space replacement, complete removal, or paragraph preservation.
  2. 2.Process the text and review the removed, detected, and remaining line-break token counts.
  3. 3.Copy the output, or select it manually if browser clipboard permission is unavailable.

About Line Break Remover

Line Break Remover transforms line-break characters in pasted text entirely inside your browser. Choose one of three explicit modes: replace every line-break token with one ordinary space, replace every token with an empty string, or preserve paragraph boundaries while joining single wrapped lines. The output remains visible for review and can be copied with one button. No input or result is uploaded to Lizely. The recognized tokens are CRLF, standalone CR, standalone LF, Unicode U+2028 LINE SEPARATOR, and Unicode U+2029 PARAGRAPH SEPARATOR. CRLF is treated as one combined token rather than two removals. Standalone CR still appears in older Mac text, generated data, and some imported records. U+2028 and U+2029 can occur in Unicode text copied from document systems or produced by software even when they are not visually obvious. Handling all five forms avoids leaving hidden separators behind simply because a text area displays them similarly. Replace with one space applies one space per recognized token. Two consecutive LF tokens therefore become two spaces; the tool does not collapse the result. Remove completely inserts no replacement for each token, so words separated only by a line break will be joined directly. Preserve paragraphs treats consecutive line-break tokens as a run. A run of exactly one becomes one space. Any uninterrupted run of two or more becomes exactly two LF characters, producing one normalized blank-line boundary. CRLF counts as one token inside the run. A single U+2029 is treated like one break under this selected product mode rather than automatically forcing a retained paragraph. Place two consecutive break tokens where a paragraph boundary must remain. Only actual line-break tokens participate in a run. If a space, tab, non-breaking space, or any other character sits between two breaks, those breaks are separate single runs. Each becomes one space while the intervening character is preserved. For example, LF + ordinary space + LF becomes three ordinary spaces in paragraph mode. This behavior is deliberate: the tool does not guess that non-newline whitespace is disposable. It never trims the beginning or end, collapses repeated spaces, expands tabs, changes non-breaking spaces, normalizes Unicode text, or alters punctuation and letters. Leading and trailing breaks are transformed according to the chosen mode just like breaks in the middle. The result statistics distinguish detected tokens from removed tokens. Replace and remove modes remove every original line-break token because no line-break token remains. Paragraph mode may retain two normalized LF tokens for each multi-break run. A two-token paragraph boundary therefore reports zero removed and two remaining, while a three-token run reports one removed and two remaining. The wording reports tokens, not raw code units, so CRLF contributes one. The input budget is 1,000,000 UTF-16 code units. Input at the exact boundary is accepted. One code unit beyond it is rejected before transformation with an explicit message; text is never sliced, sampled, or silently capped. An empty input also reports an error instead of presenting a misleading success. Other whitespace-only text is valid because preserving non-newline whitespace is part of the contract. Editing the input or changing mode immediately removes the previous result, validation error, statistics, and clipboard status. Processing an invalid state also clears old output. Clipboard requests are asynchronous and may resolve after another edit. Each attempt therefore receives a generation identity; editing, changing mode, processing again, starting another copy, or leaving the page invalidates older completion. The copied confirmation timer is cleared when superseded or unmounted and clears its own reference after firing. Copy failure keeps the transformed text visible for manual selection. All work uses local string operations and requires no dependency, API, account, or file upload. The tool is useful for joining hard-wrapped prose, cleaning spreadsheet exports, preparing prompt text, normalizing copied PDF text, or removing record separators before another controlled transformation. Review output before using remove mode on natural language because deleting breaks without spaces can intentionally join words. Use paragraph mode only when blank-line runs genuinely represent paragraphs in the source. This tool does not parse Markdown, HTML, CSV quoting, source-code syntax, postal addresses, or semantic document structure, so it cannot know whether a particular break carries business meaning.

Methodology & sources

Recognize CRLF first as one token, then standalone CR, LF, U+2028, and U+2029. Reject input above 1,000,000 UTF-16 code units before allocation or transformation. Space mode maps each token to one U+0020; remove mode maps each to an empty string. Paragraph mode groups only directly consecutive tokens, maps a one-token run to one space, and maps every run of two or more to exactly two LF characters. Count detected tokens, subtract retained normalized LF tokens to report removed tokens, and enforce detected = removed + remaining while preserving all non-newline code units without trimming or whitespace collapse. Mixed consecutive-token fixtures and separators containing space, tab, and NBSP verify run boundaries. Editing or mode changes clear old output. Clipboard jobs use generation, mounted, and timer-identity guards so stale asynchronous completion cannot restore status or clear a newer timer reference.

Frequently asked questions

Does the tool trim or collapse existing spaces?
No. Spaces, repeated spaces, tabs, non-breaking spaces, and leading or trailing non-newline whitespace are preserved exactly. Only recognized line-break tokens are transformed.
How does Preserve paragraphs work?
One line-break token becomes one space. An uninterrupted run of two or more tokens becomes exactly two LF characters. Any non-newline character between breaks keeps them in separate runs.
Does CRLF count as one or two line breaks?
It counts as one combined token. Standalone CR, LF, U+2028, and U+2029 each also count as one token.
Is my text uploaded or stored?
No. Transformation, statistics, and clipboard preparation happen locally in the current browser tab.

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