Free · private · local

Useful results.
Zero uploads.

Ten practical utilities for creators and agent builders. Processing stays in this browser tab; there is no signup, model call, or usage meter.

✓ Files stay on your device✓ Works without an account✓ No third-party API calls✓ Stable deep links

MCP Config Doctor

Check a JSON MCP configuration for common integration mistakes and produce a sanitized configuration report.

MCP configuration JSON

Paste a configuration to begin.

Social Launch Asset Pack

Create privacy-safe Open Graph, X/LinkedIn, and square launch images from a local logo or photo.

Title

Subtitle

Accent

Logo or image (optional)

Subtitle Toolkit

Convert SRT ↔ WebVTT and shift every cue forward or backward without uploading a transcript.

Output

Shift milliseconds

SRT or VTT

Paste subtitle text to begin.

Image Privacy Inspector

Inspect JPEG metadata markers and export a clean pixel-only copy through Canvas. The clean copy removes embedded EXIF, including ordinary GPS/device metadata.

JPEG, PNG, or WebP

Choose an image to inspect locally.

JSON / YAML / OpenAPI Workbench

Format JSON, convert JSON to readable YAML, and inspect an OpenAPI document—all locally.

JSON document

Paste JSON to begin.

Accessibility Asset Checker

Check WCAG contrast and inspect pasted SVG markup for basic labels, titles, and unsafe embedded content.

Foreground

Background

Optional SVG markup

Choose colors or paste SVG markup.

PDF Privacy & Inspection Report

Best-effort local inspection for metadata, encryption markers, page objects, embedded files, JavaScript, and common page dimensions. No document content is uploaded.

PDF file

Choose a PDF to inspect locally. This is a screening report, not a security guarantee.

Favicon & App Icon Builder

Create common PNG icon sizes and ready-to-copy HTML/manifest snippets from one local image.

Square source image

Choose an image. Generated icons are downloaded individually, without uploads.

README / API Example Generator

Turn one OpenAPI operation into curl, JavaScript, Python, and Markdown examples without sending the specification anywhere.

Method

Endpoint URL

Example JSON body (optional)

Enter an endpoint to generate examples.

“Can an agent use this API?” Scorecard

Analyze an OpenAPI JSON document for auth clarity, operation identifiers, descriptions, schemas, stable responses, limits, and discoverability.

OpenAPI JSON

Paste an OpenAPI document to begin.