Short answer: Paste your full dialogue script below, set how many words and characters one video clip can handle, and this free tool splits the script into numbered parts — each part already wrapped inside your full prompt template, ready to copy into Veo 3, Google Flow, Kling, Runway, or any AI video tool. No install, no sign-up, and your script never leaves your browser.
Dialogue Prompt Splitter
Poora script paste karo — tool use chhote parts me todkar har part ko tumhare prompt template ke saath ready kar dega.
1 · Poori Dialogue Script
2 · Prompt Template (edit if needed)
What Is a Dialogue Prompt Splitter?
AI video tools like Veo 3, Google Flow, Kling, and Runway make short clips — a few seconds at a time. A full script never fits into one clip: too many spoken words make the voice rush, the lip sync break, and the delivery sound unnatural. So every creator who makes dialogue videos has the same boring job before generation even starts — cut the long script into small, clip-sized pieces, then paste each piece into the same long prompt, again and again.
A dialogue prompt splitter does that job in one click. You paste the whole script once, set the maximum words and characters allowed in one part, and the tool cuts the script at line boundaries — never in the middle of a line — then wraps every part inside your fixed prompt template. Each part comes out as a numbered card with its own copy button: copy Part 1, generate clip 1, copy Part 2, generate clip 2, and so on.
The template is the important part. Character look, style, camera, voice, and negative prompt stay identical in every prompt — only the dialogue changes. That is exactly how you keep one character looking and sounding the same across a whole video made of many small clips.
How to Use This Tool (Step by Step)
- Paste your full script in the first box, one dialogue line per line. The neater your lines, the cleaner the parts — one spoken line per line works best.
- Set the limits. "Max words / part" and "Max characters / part" decide how big one clip's dialogue can be. The defaults (32 words / 157 characters) suit a calm clip of about 13–15 seconds; for shorter clips, use the guide table below.
- Check the prompt template. A ready example template is already loaded. Edit any line you like — your character, style, camera, negative prompt — but do not remove the
{{DIALOGUE}}placeholder. That is where each part's dialogue will be placed. - Click "Split into Prompts." The tool packs your lines into parts that fit both limits. A single line that is too long by itself is split carefully at word boundaries.
- Copy each part's full prompt with its Copy Prompt button and paste it into your AI video tool, one part at a time. The card also shows the word and character count of every part, so you can see each one fits before you spend credits on it.
How Many Words Fit in One Clip? A Practical Guide
Spoken dialogue at a calm, natural pace runs at roughly 2 to 2.5 words per second. These are safe starting points — test one clip with your own voice style before splitting a full script:
| Clip length | Max words / part | Max characters / part (approx.) |
|---|---|---|
| 6 seconds | 12–15 | 70–90 |
| 8 seconds | 16–20 | 95–120 |
| 10 seconds | 22–26 | 120–150 |
| 13–15 seconds | 30–38 | 160–230 |
Fast, energetic delivery fits a little more; slow, dramatic delivery fits less. Hindi and English land in a similar range when the pace is calm. When in doubt, go one step smaller — a slightly short clip looks fine, but an overfilled clip rushes the voice and breaks lip sync.
Main Features
- Word + character limits together — a part must fit both, so a part never passes the word count but overflows on characters.
- Line-safe splitting — parts break between your lines, not inside them, so every spoken line stays whole and natural.
- Long-line handling — if one single line is longer than the limit, it is split at word boundaries instead of being dumped whole into one part.
- Fully editable prompt template — character, style lock, voice, camera, and negative prompt repeat automatically in every part; only the dialogue changes.
- One-click copy per part — every card copies the complete ready-to-paste prompt, not just the dialogue.
- Live counts on every card — words and characters per part, with a warning color if a part still goes over (which can only happen when a single word itself is longer than the character limit).
- Works with Hindi and English scripts — and any language that separates words with spaces, including Devanagari text.
- Private by design — everything runs in your browser; your script is never uploaded or saved.
Who Uses This Tool?
| Creator | How it helps |
|---|---|
| AI video creators (Veo 3, Flow, Kling, Runway) | Turns one long dialogue script into clip-sized, copy-ready prompts with the same character and style in every clip. |
| Faceless / stage-speaker channel creators | Keeps face, voice, and delivery instructions locked across 20–40 clips of one video. |
| Shorts & Reels creators | Splits a 60-second script into clean parts sized for short clips. |
| Educators & explainer channels | Breaks a lesson narration into scene-sized pieces without cutting a sentence in half. |
| Ad & UGC creators | Prepares the same script in multiple short dialogue versions for testing. |
Tips for Clean Parts
- One spoken line per line in your script. The splitter respects your lines, so good line breaks in = good parts out.
- Keep the template 100% fixed across a whole video. Changing even one style word between parts can change how your character looks in the next clip.
- Generate Part 1 first and check it. If the pace or lip sync is off, adjust the limits before spending credits on all the parts.
- Number your clips as you save them (clip-01, clip-02…) in the same order as the cards, so joining them later takes minutes.
- Shorter parts join better. Two calm clips stitched together look smoother than one rushed clip.
Dialogue Prompt Splitter vs a Plain Text Splitter
| This tool | Plain text splitter | Splitting by hand | |
|---|---|---|---|
| Wraps each part in your full prompt template | Yes | No — text chunks only | No |
| Respects dialogue line boundaries | Yes | Often cuts mid-line or mid-word | Yes, but slow |
| Word and character limits together | Yes | Usually only one | Manual counting |
| Copy-ready prompt cards | Yes, one click each | No | No |
| Time for a 30-part script | Under a minute | A few minutes + manual pasting into the template | 30+ minutes |
Frequently Asked Questions
Is this dialogue prompt splitter free?
Yes — completely free, with no sign-up, no install, and no limit on how many scripts you split.
Which AI video tools can I use the prompts with?
Any tool that takes a text prompt: Google Veo 3 and Flow, Kling, Runway, Pika, Luma, and others. The tool only prepares the prompts; you paste them into whichever generator you use.
What limits should I set for an 8-second clip?
Start with about 16–20 words and 95–120 characters for a calm 8-second clip. The defaults loaded in the tool (32 words / 157 characters) suit a longer clip of roughly 13–15 seconds. Always test one clip first — delivery pace changes the real fit.
Does it work with Hindi scripts?
Yes. The splitter counts words and characters the same way for Devanagari and English text, and it works with any language that separates words with spaces.
Can I use my own prompt template?
Yes — the template box is fully editable. Write any fixed prompt you like (character, style, camera, negative prompt) and keep the {{DIALOGUE}} placeholder where the dialogue should appear. Every part will use your template.
Is my script private?
Yes. Splitting happens entirely in your browser with JavaScript. Your script and template are never uploaded, stored, or tracked — close the page and they are gone.
Why does one part show a red count?
That means the part still goes over a limit. This can only happen when one single word is longer than the character limit itself (for example, a very long link), because a word is never cut in half. Shorten that word or raise the limit slightly.
Last updated: November 2026. Companion tool: if your work starts with a keyword list instead of a script, try our Bulk Google Search Tool to open every keyword's Google search at once.
Thanks for reading! flow extends prompts you can check out on google.