Decrement a Vector
Decrease components. 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 Decrement a Vector
- 1. Paste your vectors. Enter one vector per line in the input pane, written as components in parentheses. Every component of every vector will be reduced by the same amount.
- 2. Set the amount to subtract. Enter a value in Amount for how much each component of each vector should decrease. A value of 1 subtracts one from every component.
- 3. Choose the output wrapping. Pick Parentheses, Brackets or None from the Wrap setting to control how the decremented components are enclosed in the returned vectors.
- 4. Copy the decremented vectors. Copy the resulting vectors from the output pane, each with every component reduced, into your script, notes, or next calculation.
When to use Decrement a Vector
Decrement a Vector subtracts a fixed amount from every component of one or more vectors in a single pass. It is a small utility for shifting coordinate lists or adjusting offsets uniformly across a dataset.
- Shifting a list of coordinates. You have a batch of point coordinates that all need to move one unit left and one unit down, and decrementing each vector by 1 applies the shift to the whole list at once.
- Adjusting an index-based dataset. A dataset exported with 1-based indices needs to become 0-based for a script that expects zero-indexed coordinates, and decrementing each vector by 1 handles the conversion.
- Testing edge cases in a physics script. You are hand-checking how a simulation handles negative coordinates and want to quickly generate a batch of decremented vectors that push values below zero.
- Reversing an increment step. A previous step in your workflow incremented a set of vectors, and you need to undo that change exactly before applying a different transformation.
Examples
One vector per line, each component -1
Input
(1, 2, 3) (0, -5)
Output
(0, 1, 2) (-1, -6)
About the Decrement a Vector tool
Decrement a Vector does its work locally, right in the browser. Decrease components. There is no upload step, no queue and no account, and your data never travels over the network.
It belongs to the Math Tools collection on EditSafely, a set of 234 small, focused Math utilities that share the same instant, private workspace.
You can shape the output with 2 settings, including Amount and Wrap, 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.
Running locally also makes the tool fast and dependable: results appear as you type or drop a file, there is no server outage that can take it down mid-task, and confidential data can be processed without a second thought.
Frequently asked questions
Does Decrement a Vector cost anything?
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?
No data leaves your device. The whole tool is JavaScript that runs inside your browser tab, so there is no upload, no server-side processing and no log of what you did. If you disconnect from the internet after the page loads, it keeps working.
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?
Nothing to install and no account needed. Open the page in any up-to-date browser, including on a phone or tablet, and the tool is ready.
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.