JSON & Data
JSON Formatter
Prettify and indent messy JSON strings with customized tab or 2/4-space indentation.
Open Tool
50+ Developer Utilities • Free to Use
Free Online Developer Tools
Format, convert, validate, encode, decode, and debug your data and code with fast, privacy-friendly developer utilities. Built for modern engineering teams.
Popular:
50
Developer Tools
6
Categories
100%
Free to Use
Zero
Account Required
Instant Workflow
Paste • Process • Copy
No waiting for remote servers. Perform data formatting and conversion instantaneously in your browser.
Input Payload (Raw)
RAW JSON
{"project":"CodeCrate","tools":50,"fast":true,"categories":["json","encoding","security","utilities","code","text"]}
1. Paste
2. Process
3. Copy
Formatted Output
PRETTIFIED
{
"project": "CodeCrate",
"tools": 50,
"fast": true,
"categories": [
"JSON & Data",
"Encoding",
"Security"
]
}
Quick Shortcuts
Browse complete directory (50) →
Popular Developer Tools
Frequently accessed shortcuts for everyday developer transformations.
JSON & Data
JSON Validator
Validate syntax and pinpoint exact line numbers for parsing and structure errors.
Open Tool
Encoding
Base64 Encoder
Convert plain text, binary buffers, and ASCII code to standardized RFC 4648 Base64.
Open Tool
Encoding
JWT Decoder
Inspect JSON Web Token headers, body payload claims, and token expiration dates securely.
Utilities
Regex Tester
Test regular expression patterns against test strings with live match and group highlights.
Utilities
Unix Timestamp Converter
Convert epoch timestamps in seconds and milliseconds to human readable UTC and local dates.
Security
UUID Generator
Generate single or batch cryptographically random RFC 4122 compliant UUID v4 identifiers.
Code Tools
SQL Formatter
Beautify raw SQL queries with clean indentation and consistent keyword capitalization.
Categorized Suite
6 Developer Tool Categories
Engineered for quick data transformation, encoding, code cleanup, and debugging.
15 Tools
JSON & Data Tools
Format, validate, minify, inspect, and cross-convert between JSON, XML, YAML, and CSV formats.
6 Tools
Encoding & Decoding
Encode and decode Base64 data, URL query strings, HTML entities, and inspect JWT bearer tokens.
5 Tools
Security & Generators
Generate MD5/SHA hashes, HMAC signatures, UUID v4 tokens, passwords, and random alphanumeric strings.
8 Tools
Developer Utilities
Regex testing & cheatsheets, Unix timestamps, timezone converter, cron parsers, and HTTP lookup tables.
9 Tools
Code Tools
Format and minify SQL queries, JavaScript code, CSS stylesheets, HTML markup, and side-by-side code diffs.
7 Tools
Text & Conversion
Compare text diffs, live Markdown previewer, Markdown/HTML conversion, string casing, and cURL converters.
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Product Principles
Why Developers Choose CodeCrate
Engineered for clean developer workflows, rapid local executions, and zero friction.
Fast & Lightweight
Designed to execute data transformations in milliseconds without sluggish page loads or heavy background scripts.
Browser-Friendly Processing
Where technically practical, code formatting, hashing, and parsing run locally in your web browser sandbox.
No Account Required
All 50 tools work immediately with zero sign-ups, no login walls, and no email capture barriers.
Built for Developers
Minimalist, distraction-free interfaces optimized for keyboard shortcuts, code clarity, and high developer efficiency.
One Global Suite
Everything You Need.
Everything You Need.
One Developer Toolbox.
CodeCrate brings 50 essential formatting, conversion, encoding, and debugging utilities into a single, unified developer platform.
Explore All 50 Tools