Set Text Content

Set or change the text content of a text or caption overlay. Can also change styles simultaneously.

How It Works

Replaces the overlay's text content entirely. If the user also wants to change style (color, font, size), include styles_patch.

Specifications

Category
Text & Captions
Execution
instant
Credit Cost
Free
Overlay Types
text, caption
Tags
text, content

Example Prompts

“change the text to 'Hello World'”
“update the title”
“edit the caption text”
“change it to say 'Welcome' in red”

Required Parameters

overlay_id (number)
undefined
text (string)
New text content

Optional Parameters

styles_patch (object)
Partial style object to merge (color, fontSize, fontFamily, etc.)
user_text (string)
undefined

Use Cases for Text & Captions

Style subtitles with animated highlights for TikTok and Reels
Position captions in custom layouts for educational content
Create multi-line caption blocks for interview segments

How to Get Started with Set Text Content

1.Open any project in the 6trim editor or create a new one.
2.Type a prompt in the AI assistant — for example: "change the text to 'Hello World'".
3.The Set Text Content result appears as a text overlay on your timeline. Drag to reposition or resize.

Frequently Asked Questions

Try Set Text Content Free

Type a prompt or use the toolbar. No download required.

Use Set Text Content

More Text & Captions Tools

Change Text Style
Apply a style patch to a text overlay (font, size, color, etc.). Can also change text content simultaneously.
Apply Text Template
Apply a pre-built text design template to a text overlay. Replaces all styles with the template's complete visual design. Can optionally change text content too.
Change Caption Style
Change the template and/or styles of a caption overlay.
Auto Caption
Auto-generate caption overlays from transcript words.
Caption It
Generate captions for a specific video or voiceover overlay using its existing transcript data. For video overlays uses the Whisper transcript; for voiceover overlays uses the stored Resemble AI caption words.