Convert ASCII to Integer
Output the decimal code of each character as an integer list. 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 Convert ASCII to Integer
- 1. Provide the input text. Paste the string whose codes you want in the input pane. The tool emits the integer code of every character in order, so Hi yields the list 72 105.
- 2. Choose how integers are joined. The Separator option determines the delimiter in the list. Pick a comma for JSON arrays and Python lists, a space for quick inspection, or a newline for one code per row.
- 3. Use the list programmatically. The output is deliberately plain: just integers and separators, nothing else to strip. That makes it paste-ready for array literals, test assertions and spreadsheet columns alike.
- 4. Copy the integer sequence. Copy the values into your codebase or analysis tool. When you need the text back, the integer-to-ASCII decoder accepts the same list format.
When to use Convert ASCII to Integer
Convert ASCII to Integer produces a clean numeric list of character codes, formatted for machines first and humans second. Where a debugging-oriented converter adds labels and columns, this one gives you bare integers with your chosen delimiter, ideal when the destination is source code or a data pipeline.
- Writing assertions about char codes. A unit test verifies that a sanitizer outputs specific code points. Generate the expected integer list with comma separators and paste it directly into the assertEqual call.
- Loading codes into a spreadsheet. Analyzing character frequency starts with getting codes into cells. Newline-separated output pastes into a single spreadsheet column, ready for COUNTIF and pivot tables.
- Seeding arrays in embedded firmware. A microcontroller project stores a message as an int array in flash. Convert the string once and embed the resulting literal, avoiding runtime encoding work on a tiny chip.
- Feeding numeric models with text. A quick machine-learning experiment wants characters as raw integers before proper tokenization exists. This conversion produces the numeric form of sample sentences in seconds.
Examples
Codes
Input
Hi
Output
72 105
About the Convert ASCII to Integer tool
Convert ASCII to Integer runs as plain JavaScript in your browser tab, with no server behind it. Output the decimal code of each character as an integer list. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's ASCII Tools section, 81 single-purpose utilities built around the same idea: open the page, get the result, keep your data to yourself.
You can shape the output with the Separator setting, and the result refreshes the moment you change it. A worked example further down the page shows exactly what the tool produces for a real input.
That local-first design has practical benefits beyond privacy. The tool keeps working on a flaky connection once the page has loaded, results are instant because nothing round-trips to a server, and it is safe to use with confidential material.
Frequently asked questions
Is Convert ASCII to Integer 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.