OpenAPI Viewer - Swagger Docs in the Browser

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About OpenAPI Viewer

View specs without a server

Upload or paste an OpenAPI spec and explore endpoints, parameters, and schemas locally.

How it works

Paste OpenAPI YAML or JSON.
Search endpoints and drill into request/response details.
Export a static HTML docs page you can host anywhere.

What you get

Interactive docs: browse endpoints and parameters.
Schema viewer: inspect component schemas quickly.
Offline friendly: no API calls required.

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Recent Blog Posts

Split QR Code Phishing: Why a Clean PDF Can Still Be Dangerous

A phishing email lands in an employee's inbox with a PDF attached. It says their compensation has changed and asks them to scan a QR code to read the details. The PDF looks clean. There is no clickabl...

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Introducing BeforeTap for iOS

On a phone, every link asks you to tap before you know exactly where it leads. A short URL can hide its destination. A QR code hides the URL completely. Even a normal-looking link can pass through sev...

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How to Check if a QR Code Is Safe Before You Open It

QR codes are everywhere because they work. I use them for menus, signs, product pages, Wi-Fi, and plenty of T.LY campaigns. The catch is simple: you cannot read a QR code by looking at it. The destina...

9 MIN READ

How to Track Influencer Marketing With Short Links and QR Codes

Influencer marketing is hard to track when everyone shares the same link. One creator posts on TikTok. Another adds a story link. Someone else hands out promo cards at an event. If they all use the sa...

2 MIN READ

Introducing the T.LY iOS App

T.LY now has a native iOS app for iPhone and iPad. It is built for the work people already do in T.LY: create short links, manage campaign links, check clicks, watch QR scans, and make changes when so...

4 MIN READ

A Free QR Code Scanner & Creator App for iPhone

Most QR scanner apps on the App Store do the same frustrating thing: they take a tool that should be free and wall it off behind ads, sign-up screens, or a “pro” subscription. Want to scan from a phot...

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T.LY Link Shortener Extension Now Supports Safari

The T.LY Link Shortener Extension now supports Safari. If Safari is your daily browser, you can create a T.LY short link for the page you are already viewing without opening another tab. Click the too...

1 MIN READ

Dashboard and Stats Refresh

T.LY analytics recently got a cleaner dashboard and stats page. This update was not just about making the screens look newer. The goal was to make link performance easier to understand when you have a...

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IPv4 vs IPv6: What Is the Difference?

IPv4 and IPv6 are two versions of IP addresses. Both help devices communicate across networks. The main difference is address space. IPv4 is older and shorter. IPv6 is newer and supports a much larger...

5 MIN READ

How to Track QR Code Campaigns Before You Print

The best time to set up QR code tracking is before you print. Not after the flyers arrive. Not after the menu is laminated. Not after the conference badges are shipped. Before. Once a QR code is print...

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How to Choose a Short Branded Domain

A short branded domain is the domain you use for your short links. Instead of sending people through a generic short URL, you use something tied to your brand, campaign, product, or organization. For...

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What Is an ISP and ASN Lookup?

An IP address can tell you more than the number. With the right lookup, you can often see the internet service provider, organization, usage type, and ASN behind the connection. The T.LY What Is My IP...

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