Developer Tools
Password Generator
Create strong, random passwords with adjustable length, symbols, and pronounceable options. 100% offline.
Pretty-print or minify JSON, validate against JSON Schema, and inspect huge payloads with collapsible tree view, search, and JSONPath queries. Convert between JSON, YAML, CSV, and XML in one click. Works with massive files — no server roundtrips.
DEV-TOP · horizontalDeveloper
Pretty-print, minify, and validate JSON in your browser. Nothing is sent to a server.
Input
Output
{
"name": "UtilityApps",
"tools": [
"loan",
"bmi"
],
"free": true
}Original: 71 B · Minified: 57 B · Saved 14 B
DEV-MID · rectangleBuilt for everyday work
JSON Formatter & Validator runs entirely in your browser — files never leave your device.
No signup, no upload queue, no captcha. Use JSON Formatter & Validator and move on with your day.
Mobile, tablet, desktop, and offline (PWA). Install once, use everywhere.
No premium tier, no per-use fees. Optional ads keep the lights on; you keep the tool.
Getting started
JSON Formatter & Validator loads instantly on this page — no download or signup. Once it ships, it'll run entirely inside your browser.
Type, paste, or upload what you need. Format, validate, minify, and convert JSON with syntax error highlighting and JSONPath query support.
Use the result right away, copy it to your clipboard, or bookmark this page so you can come back without searching.
Image Tools
Looking for the best free image compressor? We compared five tools head-to-head — TinyPNG, Squoosh, Compressor.io, ShortPixel, and UtilityApps — for quality, privacy, and speed.
7 min · May 9, 2026
Image Tools
The fastest free way to remove the background from any photo. Step-by-step instructions, side-by-side tool comparison, and the pitfalls to avoid.
7 min · May 6, 2026
Image Tools
A practical guide to picking the right image format. When to use JPG vs PNG vs WEBP — with file size comparisons, browser support, transparency, and a decision flowchart.
8 min · May 3, 2026
Every other developer tool — jump straight in.
Developer Tools
Create strong, random passwords with adjustable length, symbols, and pronounceable options. 100% offline.
Developer Tools
Encode and decode Base64 strings, files, and images instantly with URL-safe and standard variants.
Developer Tools
Percent-encode and decode URLs, query parameters, and components for safe links and API requests.
DEV-BOTTOM · horizontalFrequently asked
More from UtilityApps