Krillinai Render Vertical

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krillinai

krillinai-render-vertical

Use when rendering portrait videos with KrillinAI CLI, including converting source video to vertical format, adding short bilingual subtitles, rendering dubbed vertical videos, and checking vertical subtitle readability.

Overview

Publisher	krillinai
Repository	`OpenCreator`
Skill name	`krillinai-render-vertical`
Stars	12.6K
Forks	1.3K
Bundled files	Instructions only
License	Apache-2.0
Links	Skill source Repository Homepage

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by krillinai on GitHub. Read the source before you install it.

Installation

Install the Krillinai Render Vertical AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/krillinai/OpenCreator/tree/master/skills/krillinai-render-vertical
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/krillinai/OpenCreator.git /tmp/OpenCreator
mkdir -p .claude/skills
cp -r /tmp/OpenCreator/skills/krillinai-render-vertical .claude/skills/krillinai-render-vertical

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Krillinai Render Vertical in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Krillinai Render Vertical on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Krillinai Render Vertical is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

KrillinAI Render Vertical

Use this skill for render-vertical. Read skills/krillinai-cli/references/cli-contract.md first for binary location, execution working directory, configuration, and JSON behavior.

Bilingual Short-Subtitle Video

bash
(cd "$KRILLINAI_CWD" && "$KRILLINAI_CLI" render-vertical \
  --workdir "$WORKDIR" \
  --video "$WORKDIR/origin_video.mp4" \
  --subtitle "$WORKDIR/short_origin_mixed_srt.srt" \
  --major-title "今日话题" \
  --minor-title "AI Video")

Dubbed Vertical Video

bash
(cd "$KRILLINAI_CWD" && "$KRILLINAI_CLI" render-vertical \
  --workdir "$WORKDIR" \
  --video "$WORKDIR/video_with_tts.mp4" \
  --subtitle "$WORKDIR/target_language_srt.srt" \
  --dubbed \
  --major-title "今日话题" \
  --minor-title "AI Video")

Subtitle Behavior

The Go renderer follows the good behavior from vertical_srt.py:

Chinese uses word segmentation before line decisions.
Display width is used for line splitting: Chinese counts as width 2, other text as width 1.
Long Chinese subtitles are split across time into multiple Dialogue entries instead of stacked with \N.
The goal is to keep the screen to one English line plus one Chinese line when possible.

Outputs

transferred_vertical_video.mp4: source converted to portrait format.
vertical_bilingual.mp4: default final vertical video.
vertical_dubbed.mp4: final video with --dubbed.
Final variants are reported through the manifest key vertical_video.

Verification

Use text and visual checks:

bash
rg -n -F '\\N' "$WORKDIR/formatted_vertical_bilingual.ass"
ffmpeg -y -ss 00:00:01 -i "$WORKDIR/vertical_bilingual.mp4" \
  -frames:v 1 "$WORKDIR/vertical_preview_%03d.jpg"

Also require terminal JSON with "ok": true, valid video/audio streams, readable subtitles, and non-garbled titles.

Frequently asked questions

What does the Krillinai Render Vertical AI skill do?

Why use Krillinai Render Vertical on TypingMind?

Because you install it once and use it with any model. Krillinai Render Vertical is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Krillinai Render Vertical in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/krillinai/OpenCreator/tree/master/skills/krillinai-render-vertical. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Krillinai Render Vertical?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Krillinai Render Vertical?

As many as you like. As long as a model supports skills, you can use Krillinai Render Vertical with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Krillinai Render Vertical AI skill free?

Yes. It is published on GitHub by krillinai under the Apache-2.0 license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

KrillinAI Render Vertical

Bilingual Short-Subtitle Video

Dubbed Vertical Video

Subtitle Behavior

Outputs

Verification

Frequently asked questions

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