Developer
JSON Formatter
Validate and pretty-print JSON locally in your browser.
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SLOW TOOLS
A growing collection of fast browser-based utilities. The first tools run locally in your browser whenever possible, so your input does not need to leave your device.
Developer
Validate and pretty-print JSON locally in your browser.
Developer
Convert text without sending it to a server.
Your result will appear here.
Developer
Convert Unix timestamps to readable UTC dates.
UTC
2026-08-30T12:40:11.000Z
SEO
Preview a basic search result and social card before publishing a page.
Search preview
SLOW.DEV — Developer, Creator & Builder
https://slows.dev
Useful developer tools, projects, services, gaming and creator content from SLOW.

SLOW.DEV — Developer, Creator & Builder
Useful developer tools, projects, services, gaming and creator content from SLOW.
Developer
Safely encode or decode query text and URL components in your browser.
https%3A%2F%2Fslows.dev%2F%3Fq%3Dhello%20world%26lang%3Dar
Developer
Generate a standards-based UUID locally without an API call.
SEO
Generate a copy-ready metadata object for a Next.js App Router page.
export const metadata = {
title: "Your Page Title",
description: "Your meta description",
alternates: { canonical: "https://example.com" },
openGraph: {
title: "Your Page Title",
description: "Your meta description",
url: "https://example.com",
siteName: "My Site",
type: "website",
},
};Image
Convert an image to WebP locally and preview the size reduction before downloading.
Next
A native client-side QR generator is planned next; it will be added once the implementation can stay dependency-light and privacy-friendly.
What is next?
Planned categories include SEO helpers, image utilities, creator tools, and deeper developer utilities. Each tool gets its own URL and SEO metadata so useful things are easy to discover.
Suggest a tool