Add Combining Characters Tool Online
Add Combining Characters diacritical marks above, below, or through any text. Free, offline, client-side, instant and secure.
Stack diacritical marks above, below, or through your text. Pick a position, set the intensity, and get decorated Unicode output instantly.
How to Use Add Combining Characters Tool Online
- Enter Your Text: Type or paste any text into the input field. Emoji, letters, numbers, and symbols all work.
- Choose a Position: Select where the diacritical marks should go - above the characters, below them, or through them (overlay/strikethrough style).
- Set Mark Count: Choose how many combining marks to stack per character (1 for subtle, 5+ for heavy "Zalgo" style effects).
- Click "Add Combining Marks": The tool randomly selects combining Unicode characters from a curated pool and attaches them to each character in your text.
- Preview the Result: The decorated text appears in the large preview area. The raw output is also placed in the text box below for easy copying.
- Copy or Download: Click "Copy to Clipboard" to use the text in chat, social media, or documents. Or download it as a TXT file.
Frequently Asked Questions
What are combining characters?
Combining characters are Unicode code points that attach to the preceding base character instead of standing alone. Accents like the tilde (~) over an “n” in Spanish (n) are combining marks. This tool stacks multiple marks for creative or decorative effects.
Is my data secure?
Yes. Everything runs in your browser using client-side JavaScript. Your text is never sent to any server or stored anywhere.
Do you store my data?
No. This tool is 100% client-side. Nothing is logged, saved, or transmitted. Close the tab and your data is gone.
Is this tool free?
Yes, completely free with no sign-up, no ads gate, and no usage limits.
What is “Zalgo text”?
Zalgo text is the popular name for text with many combining marks stacked on each character, making it look glitchy or corrupted. Set the marks-per-character count to 10 or higher to create this effect.
Why does the output look different each time?
The tool picks combining marks randomly from a curated set for each position. Every click produces a different combination, so the visual result varies even with the same input.
Can I use the output on social media?
Yes. The decorated text is standard Unicode and works anywhere Unicode is supported – Twitter/X, Instagram bios, Discord, Reddit, and most messaging apps.
Which browsers are supported?
All modern browsers including Chrome, Firefox, Safari, and Edge. The tool uses standard JavaScript string methods that work everywhere.
Can I use this offline?
Once the page loads, it works without an internet connection. All processing happens locally in your browser.
What is the maximum number of marks I can add?
The tool supports 1 to 20 marks per character. Going above 5-6 creates heavy visual effects. Above 10 some fonts and apps may render the text unpredictably.