Format & validate
Pretty-print and validate JSON, XML, YAML, and CSS. Fix minified code and catch syntax errors instantly.
Now with AI-powered tools
The Ultimate Developer Tools Collection
510+ free online tools for developers and creators. Format & validate JSON, encode Base64, generate UUIDs and hashes, convert units, analyze SEO, prettify code, and more — all in your browser. No signup required.
- JSON & YAML formatters
- Encoders (Base64, URL, HTML)
- Hash & checksum (MD5, SHA, CRC)
- UUID & password generators
- Unit & date calculators
- SEO & meta tag tools
AI-Powered
Lightning Fast
Secure & Private
- 510+
- Free Tools
- 0
- Signup Required
What you can do
From quick encoders to full SEO audits — find the right tool for the job. Everything runs in your browser; nothing is sent to our servers.
Encode & decode
Base64, URL, HTML, and ASCII encoding and decoding. Encrypt and decrypt with AES, RSA, and more.
Hashes & checksums
MD5, SHA-1/256/512, CRC32, and other hashes. Generate and verify checksums for files and strings.
Convert & calculate
Unit converters, date and time tools, percentage and loan calculators. Number base conversions too.
SEO & web checks
Meta tag generators, sitemap validators, heading and image-alt checkers. Improve your site’s visibility.
AI & generators
Summarize text, generate images, create mock data and UUIDs. Password and cron expression generators.
Popular Tools
The most-used tools by developers and creators
JSON Formatter
Free JSON formatter and validator. Format, minify, and validate JSON online. No signup required.
Use toolBase64 Encoder / Decoder
Encode and decode Base64 strings online. Text, images, and files. Free, private, no signup.
Use toolUUID Generator
Generate UUIDs (v4) online. Copy one or many. Free, no signup, runs in your browser.
Use toolJSON to Zod Schema
Generate Zod schemas from JSON. Infer types for objects, arrays, and primitives.
Use toolJSON to Prisma Model
Generate Prisma model definitions from JSON. Infer fields and scalar types automatically.
Use toolJSON to GraphQL Types
Generate GraphQL type definitions from JSON. Infer fields and scalar types automatically.
Use toolJSON to Rust Structs
Generate Rust structs from JSON. Infer fields and types for serde-ready models.
Use toolJSON to Kotlin Data Classes
Generate Kotlin data classes from JSON. Infer fields, lists, and primitive types.
Use toolJSON to Protobuf
Generate Protobuf message definitions from JSON. Infer fields and scalar types automatically.
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Browse by Category
510+ tools across 19 categories
Formatters
Format and beautify code and data
BrowseEncoders and Decoders
Transform data between encoding formats
BrowseGenerators
Generate IDs, passwords, and sample data
BrowseConverters
Transform data between formats and units
BrowseDate and Time Tools
Date arithmetic, time zones, calendars
BrowseDate Tools
Date calculations and conversions
BrowseOnline calculators
Math, financial, and unit calculations
BrowseHash Tools
Cryptographic hashes and verification
BrowseString Utilities
Text manipulation and analysis
BrowseText Tools
Text processing and transformation
BrowseIP Tools
IP lookup and network info
BrowseNetwork Tools
HTTP, headers, geolocation
BrowseSEO Tools
Meta tags, sitemaps, redirects
BrowseWeb Development Tools
URL parser, CSS minifier, and more
BrowseAI tools
AI image and summarization
BrowseWeather Tools
Weather and related utilities
BrowseSocial Media Tools
Social media calculators and formatters
BrowseImage & Media Tools
Image dimensions and media converters
BrowseGeo Tools
Coordinate conversion and geospatial calculations
Browse
Why Developers Choose AzWebTools
Built for speed, privacy, and developer experience
Lightning Fast
All tools run directly in your browser. No server processing means instant results with zero latency.
Privacy First
Your data never leaves your device. We don't store, log, or transmit any of your input data.
Works Everywhere
Fully responsive and accessible. Use on desktop, tablet, or mobile with any modern browser.
Developer Focused
Built by developers, for developers. Clean interfaces optimized for productivity and efficiency.
Always Available
No signup, no login, no waiting. All 510+ tools are free and available 24/7.
Community Driven
Continuously improving based on feedback. Request new tools and features anytime.
Frequently Asked Questions
Everything you need to know about AzWebTools
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