How it works
How to use the Remove Whitespace
Paste or open your input
Type, paste or drop a file into the left editor — or press Sample to try it.
Adjust the options
Use the options in the toolbar; the result updates as you type.
Copy or download the result
Copy the output or download it as a file.
About the Remove Whitespace
Remove every whitespace character from text, optionally keeping line breaks — useful for keys, hashes and numbers copied with spaces.
Built for developers
Why developers use it
Private by design
Runs 100% in your browser. Nothing you paste is uploaded, logged or stored on a server.
Instant results
Output updates as you type, with precise error locations when something is wrong.
Works offline
Once loaded, the tool keeps working without a connection. Install it as an app if you like.
Free, no sign-up
No accounts, no limits, no watermarks.
FAQ
Frequently asked questions
Is my data uploaded anywhere?
No. Everything runs locally in your browser — nothing you type, paste or open is sent to a server, logged or stored. The tool keeps working offline once the page has loaded.
Keep going
Related tools
- Remove Duplicate LinesDelete repeated lines and keep the first
- Remove AccentsStrip accents and diacritics from text
- Remove Empty LinesDelete blank lines from text
- Remove Extra SpacesCollapse multiple spaces into one
- Remove Line BreaksJoin lines into a single paragraph
- Remove Lines ContainingFilter out lines that contain a word
- JSON FormatterFormat, validate and explore JSON
- JSON to CSVConvert JSON arrays to CSV and CSV back to JSON