Prompt Variable Replacer
Fill {{variables}} in prompt templates with a live preview. Paste a template, fill the detected variables, and copy the final prompt instantly. Everything runs in your browser — nothing is sent to a server.
사용법 Prompt Variable Replacer
프롬프트 변수 대체기
프롬프트 템플릿의 자리 표시자를 원하는 대로 채우고 완성된 프롬프트를 복사하세요. 모든 작업은 브라우저 내에서 처리되며, 서버로 전송되는 데이터는 없습니다.
칩을 클릭하면 채워집니다. Enter 키를 누르면 저장하고, Esc 키를 누르면 취소합니다.
내용 읽기
How to Use This Tool
Paste any prompt template that uses {{variable}} placeholders, or click Load sample to try a ready-made example. The tool detects every placeholder and builds a list of fields below.
1. Paste your template
Write or paste a prompt with placeholders such as {{role}}, {{topic}} or {{length}}. Placeholders must contain only letters, digits and underscores, and must start with a letter or underscore.
2. Fill the variables
Each detected variable gets its own input field. Type a value for each one, or click Fill all with sample to add realistic values instantly. Use Bulk paste to paste many values at once in a name=value format, one per line.
3. Copy the final prompt
The final prompt updates live as you type. Filled placeholders are highlighted in green; empty ones stay visible in amber. Copy the result, copy the raw template, or save the output as a .txt file.
Features
- Live token and character counter for the final prompt
- Malformed placeholder warnings (empty, invalid names, unclosed braces)
- Per-variable usage count when a placeholder appears more than once
- Auto-save: your template and values are saved in the browser
- Presets: save and reload template versions
- Undo after clearing values
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