Filters
Prompt Builder
Markdown Renderer
Local-only processingRender Markdown into live HTML, then export to Word with automatic HTML fallback when DOCX support is unavailable.
Markdown formatting guide
Quick reference for common Markdown formatting.
# Heading 1
## Heading 2**Bold** *Italic* ***Bold Italic***- Item
1. Numbered- [ ] Todo
- [x] Done[Label](https://example.com)`inline` and
```js
console.log('code')
``````mermaid
flowchart LR
A[Start] --> B[End]
```Use a mermaid fenced block; diagrams render in preview. PlantUML is not supported here.
> Blockquote| Col | Col |
| --- | --- |
| A | B |---~~Removed~~Note[^1]
[^1]: SourceMarkdown Input
Write, paste, or drop a .md or .txt file.
Preview
Updates as you type. Shortcuts: Shift+Ctrl/Cmd+C copies HTML; Shift+Ctrl/Cmd+E exports Word.
Token Estimator
Local-only processingEstimate token usage for AI models using character-count ranges that can be adjusted for your content.
Text Input
Paste text and review estimated token usage in real time.
Context & Model Fit
How your text fits each model's context window — pick a reference or compare across models.
0 / 0 tokens (0%)
| Model | Tokens | Context fit | Input cost |
|---|
Tokens are calibrated estimates per model. Click a row to set it as your reference.
Estimates
Model-specific tokens, costs, and segment breakdown (Pro).
Prompt Lab
Keys stay on this deviceImprove prompts with metaprompting and compare models side by side. Bring your own API keys: calls go straight from this browser to the provider you choose, with no relay server. Local models via Ollama or LM Studio are free; cloud providers are a Pro feature.
Providers & keys
Prompt
Write a prompt or load one from your library.
Tip: Ctrl+Enter (⌘+Enter on Mac) runs the active action.
Variables
Values are filled into {{variable}} placeholders when you run.
Improve keeps placeholders intact.
Metaprompting (Prompt Improver)
Have a model rewrite your prompt for clarity, structure, and constraints.
The improved prompt will appear here. Pick a provider and model, then click Improve prompt.
Improved prompt
Show changes
History (0)
Recent runs and improvements, kept only in this browser. Never written to your vault, exports, or transfers.
History is full: only the 20 most recent entries are kept, oldest are dropped.
Text to Image
Local-only processingTurn SVG text into a downloadable PNG or JPEG image right in your browser, with no uploads required.
New to this tool?
- You can use text-only (non-image) AI tools to generate SVG text, then paste that text here.
- Quick start: click
Load Exampleto generate a preview in one step. - Ask for a complete SVG that starts with
<svg>and includes aviewBoxvalue. - Everything runs locally on your device. Scripts and external links in SVG are blocked for safety.
- Use format, width, background, and padding to control the final image look and size.
SVG Input
Paste your SVG text or start with a sample.
Rendered Output
Preview, download, and copy a reusable image tag.
File Concatenator
Local-only processingConvert selected documents into one clean AI-ready output with format controls, token feedback, and local-only processing.
Files 0 of 50
Add documents, review parse status, then reorder the exact context you want.
More options Cleanup, order, and presets
No files selected
Concatenated output XML
Copy, download, or send the result directly into Prompt Builder.