API tools

OpenAPI Viewer

Preview OpenAPI and Swagger specs from JSON or YAML, inspect paths and methods, and copy endpoint summaries locally.

Spec preview

Paste OpenAPI JSON or YAML.

ZPTools API

3.1.0
v1.0.0
3 operations

https://api.zptools.com

GET
/tools

List public tools

listTools
tools
1 params
POST
/tools

Create a tool record

createTool
admin
0 params
GET
/tools/{id}

Get one tool

getTool
tools
1 params

Features

JSON or YAML

Paste OpenAPI specs in either JSON or YAML format.

Endpoint Inventory

List paths, methods, operation IDs, summaries, tags, and parameters.

Spec Overview

Inspect title, version, server URLs, and total operation counts.

Copy Summary

Copy a readable endpoint inventory for tickets and docs.

Schema Friendly

Works well with JSON Schema and JSON formatting workflows.

Local Preview

Specs remain in the browser and are not fetched or uploaded.

Frequently Asked Questions

No. Paste the spec text directly so the preview remains local and predictable.

The viewer reads common OpenAPI 3.x and Swagger 2.0 fields for overview and endpoint inventory.

This page previews and summarizes specs. Full semantic validation can be added as a future enhancement.

A growing collection of fast, privacy-first developer utilities. All tools run in your browser — your data never leaves your device.

Tools

JSON ParserJSON Schema ValidatorJSON ConverterJSON to TypeScriptOpenAPI ViewerCode FormatterSQL FormattercURL ConverterTimestamp ConverterCron ParserURL EncoderQR Code ToolIP & CIDR CalculatorGzip & Deflate ToolJWT DecoderJWT Verify & JWK ToolHash GeneratorPassword & TOTPBase64 EncoderUUID GeneratorImage MetadataImage CompressionTiny Image CompressorImage Toolkit ProScreen RecorderRegex TesterText DiffMarkdown & Mermaid PreviewColor & Contrast Tool

Legal

Privacy PolicyTerms of Service

© 2026 ZPTools. All Rights Reserved.