Trim a String
Trim whitespace from the left or right side of a string. Runs entirely in your browser, so your data never leaves your device.
0 chars · 0 lines
Output
The result appears here as you type.
How to use Trim a String
- 1. Paste the string. Enter text that has stray leading or trailing whitespace into the input pane, such as a value copied from a spreadsheet cell or form field.
- 2. Choose which side to Trim. Set Trim to Both sides to remove whitespace from the start and end, or to Left or Right to remove it from only one side, useful when the other side's spacing is intentional.
- 3. Turn on Trim every line if needed. For multi-line input, turn on Trim every line to strip whitespace from each individual line rather than only the very first and last line of the whole block.
- 4. Copy the trimmed result. Copy the cleaned-up text out of the output pane, now free of the extra spaces, tabs, or line breaks that were surrounding the actual content.
When to use Trim a String
Trim a String removes whitespace from the start, end, or both sides of a string, with an option to apply the same cleanup to every line of a multi-line block. Use it any time pasted or imported data has stray spaces that break comparisons or formatting.
- Cleaning a spreadsheet import. A CSV column has values with invisible trailing spaces that cause exact-match filters or lookups to fail silently. Trimming every value removes the hidden whitespace at once.
- Fixing an indented multi-line paste. A block of text copied from an email or chat has extra leading spaces on every line from the original formatting. Turning on Trim every line strips it from each one.
- Preparing a form value for storage. A user-submitted text field often has accidental leading or trailing spaces from copy-pasting, and trimming it before saving keeps the stored value clean and comparable.
- Removing a deliberate trailing space only. You want to preserve intentional leading indentation but strip only trailing whitespace that a text editor added automatically on save. The Right option handles just that side.
Examples
Trim both ends
Input
hello
Output
hello
About the Trim a String tool
Trim a String is a free online tool that works entirely inside your web browser. Trim whitespace from the left or right side of a string. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 159 String utilities on EditSafely. Each one does a single job well, and all of them follow the same rule: your input stays on your machine.
You can shape the output with 2 settings, including Trim and Trim every line, and the result refreshes the moment you change one. A worked example further down the page shows exactly what the tool produces for a real input.
Because nothing leaves your device, the tool is suitable for sensitive content such as internal documents, credentials or customer data. It also responds instantly, since every keystroke is handled on your own machine rather than by a remote API.
Frequently asked questions
Is Trim a String free to use?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Is it safe to paste sensitive or confidential data?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
How much text can I process at once?
There is no fixed limit. Because the work happens on your own device rather than on a shared server, the practical ceiling is your machine's memory, which comfortably handles inputs far larger than typical online tools allow.
Do I need to sign up or install anything?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.