Add Combining Characters
Quickly combine input Unicode with diacritical marks. 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 Add Combining Characters
- 1. Paste your text. Type or paste the plain text you want to decorate into the input pane. Any script works since combining marks stack on top of whatever base characters you provide.
- 2. Set marks per character. Choose the Marks per character value to control how many combining diacritics get layered onto each letter. A low number gives a light accent look, a high number pushes toward heavy zalgo-style clutter.
- 3. Review the stacked output. Check the output pane where each character now carries its combining marks. Rendering can vary between fonts and apps, so preview it wherever you plan to paste it.
- 4. Copy the decorated text. Copy the result and paste it into a chat message, bio field or design mockup. The underlying letters are unchanged, only the combining marks are added on top.
When to use Add Combining Characters
Add Combining Characters takes plain text and stacks Unicode diacritical marks onto every letter for a decorated or glitchy look. It is built for stylistic and testing purposes, not for producing real accented language text. Use it whenever you want text that looks visually altered without changing the underlying letters.
- Stylized social media bios. You want a username or bio line that stands out with a jittery, marked-up look on Instagram or Discord. Running your handle through the tool adds combining marks that most platforms render as-is.
- Testing text rendering robustness. Before shipping a chat app or comment system, you feed it text with heavy combining marks to see if the UI truncates, wraps or crashes on unusually tall stacked glyphs.
- Horror or glitch-themed content. A creepypasta post, ARG puzzle or game asset needs text that looks corrupted or possessed. Increasing marks per character pushes the effect from a subtle accent toward full zalgo chaos.
- Demonstrating Unicode combining behavior. You are writing a tutorial on how combining characters attach to a base code point and want a quick way to generate examples at different mark densities.
Examples
Stack marks
Input
hi
Output
h̆̀̕ȉ̆̕
About the Add Combining Characters tool
Add Combining Characters is a free online tool that works entirely inside your web browser. Quickly combine input Unicode with diacritical marks. Because the processing happens on your own device, nothing you enter is uploaded, logged or stored anywhere.
This page is one of 98 Unicode 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 the Marks per character 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.
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
Does Add Combining Characters 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.