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Your Source to Prompt

Your Source to Prompt is a single-file browser utility that selects files from a local folder and combines them into one text prompt for use with a large language model.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Your Source to Prompt — OpenViST project profile in AI Developer Tools & SDKs.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when you need to assemble a chosen set of local code files for a separate LLM review, explanation or other coding task.

Who it is for

  • Developers preparing code context for an external LLM
  • People who want to choose files from a local project or folder without using a command-line workflow
  • Users who repeat similar file selections and want to save them as presets

Documented uses

  • Select and combine relevant project files into one prompt.
  • Add a preamble and goal to explain the requested LLM task.
  • Check selected file size and line count before sharing the prompt.
  • Save, reload, export or import reusable file-selection presets.
Before you choose

Requirements & limits

The documented setup uses a single HTML file in a recent Chromium-based browser that supports the File System Access API. The README says no server or package-manager installation is needed.

  • Folder access depends on browser support for the File System Access API.
  • The tool produces prompt text but does not connect to or run a large language model.
  • Optional minification is documented for JS/TS, CSS, HTML and JSON; other text files have trailing whitespace trimmed.
  • Presets are stored in localStorage or can be exported and imported as JSON.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Prepare a local code folder as an LLM prompt

Create a combined text output from chosen files in a local project folder.

Before you start

  • The single HTML file
  • A recent Chromium-based browser with File System Access API support

Steps

  1. Open the HTML file in the browser and select a local folder.

  2. Choose files from the displayed tree, using filters or bulk-selection options as needed.

  3. Optionally add a preamble and goal, and review the selected size and line count.

  4. Save the combined output as a file or copy it to the clipboard.

Expected outcome

A single text prompt containing the selected project files, ready to provide to an external LLM.

Guide limitations

  • The tool prepares prompt text; it does not provide the LLM analysis.
  • Context-size warnings are approximate.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
7 November 2026
Original website title
Dicklesworthstone/your-source-to-prompt.html · Official homepage title · retained in its source language
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