100% local · no upload

Whitespace Cleaner

Clean whitespace in any text — trim lines, collapse spaces, remove blank lines, convert tabs and normalize CRLF / LF line endings.

Input0 chars

Cleaned

Output will appear here as you type.

Trim each lineRemove trailing spacesCollapse multiple spacesRemove blank linesTrim start/end of document

Line endingsTabs → spaces (0 = keep tabs)

How it works

Drop your file or paste your content into the tool above.
Adjust the options — every change updates the preview instantly.
Download the result. Your file never leaves your browser.

Your files never leave this page

Every conversion runs entirely in your browser using WebAssembly. There is no upload, no server-side processing, no analytics, and no cookies. Open DevTools → Network during the operation and you will see zero outbound traffic.

Related tools

Case ConverterConvert text between upper, lower, title, sentence, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and dot.case.
Word & Character CounterCount words, characters, lines, paragraphs and sentences — with reading and speaking time estimates.
Lorem Ipsum GeneratorGenerate Lorem Ipsum placeholder text — words, sentences, or paragraphs, optionally HTML-wrapped.
Text DiffCompare two text snippets side by side. Line, word, or character diff with additions and deletions highlighted.

Topics covered

whitespace cleaner online
trim whitespace tool
remove blank lines
normalize line endings
crlf lf converter
tabs to spaces online