JSON Formatter & Beautifier
Format JSON online into readable indentation, validate syntax and make API responses easier to debug.
Browser-based utilities
Fast tools for text, code and data cleanup
Format JSON, decode Base64, generate hashes, count words, test regex, parse URLs and clean everyday text without opening a heavy app.
Most searched online tools
Direct links for high-intent searches in the US, UK, Canada, Australia and other English-speaking markets
JSON Validator & Syntax Checker
Validate JSON online, check syntax errors and find the line that breaks an API payload, config file or JSON object.
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 online for tokens, headers, data URLs and development snippets.
URL Encoder / Decoder
Encode text for URLs or decode percent-encoded query strings and parameters.
JWT Decoder & Token Inspector
Decode JWT header and payload online to inspect claims, expiration values and token structure.
Hash Generator
Generate SHA-1, SHA-256 and SHA-512 hashes from text using the browser crypto API.
Password Generator
Create strong random passwords with length and character set controls.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and convert dates back to Unix time.
Word & Character Counter
Count words, characters, sentences, paragraphs and estimated reading time.
Case Converter
Convert text to uppercase, lowercase, title case, sentence case and alternating case.
Regex Tester
Test JavaScript regular expressions against sample text and inspect matches.
Text Diff Checker
Compare two text blocks line by line and see additions, removals and changes.
01
Paste
Bring in copied JSON, text, URLs, tokens or snippets.
02
Run
Use focused controls with sample input and clear output.
03
Copy
Move the result back into your editor, docs or workflow.
All tools
148 tools available
JSON Formatter & Beautifier
Format JSON online into readable indentation, validate syntax and make API responses easier to debug.
JSON Validator & Syntax Checker
Validate JSON online, check syntax errors and find the line that breaks an API payload, config file or JSON object.
JSON Minifier
Remove whitespace from JSON after validating that the input can be parsed safely.
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 online for tokens, headers, data URLs and development snippets.
URL Encoder / Decoder
Encode text for URLs or decode percent-encoded query strings and parameters.
HTML Entity Encoder / Decoder
Convert HTML-sensitive characters to entities or decode entities back to normal text.
JWT Decoder & Token Inspector
Decode JWT header and payload online to inspect claims, expiration values and token structure.
Hash Generator
Generate SHA-1, SHA-256 and SHA-512 hashes from text using the browser crypto API.
Password Generator
Create strong random passwords with length and character set controls.
UUID Generator
Generate random UUID values for test data, records and development placeholders.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and convert dates back to Unix time.
Word & Character Counter
Count words, characters, sentences, paragraphs and estimated reading time.
Practical guides
Context for the tools that get searched most
How to Format JSON Without Breaking the Data
A practical guide to reading, formatting and checking JSON from APIs, logs and configuration files.
JSON to CSV: When It Works Well and When It Gets Messy
Understand the best JSON shape for CSV conversion and how nested values are handled.
Base64 Encoding Explained for Everyday Debugging
Learn what Base64 is, what it is not, and where it commonly appears in web development.
How to Decode a JWT and Read Its Claims
Decode JWT header and payload sections, understand common claims and avoid a common security mistake.
How to Generate Strong Passwords for Real Accounts
A simple guide to password length, character sets and safe handling of generated passwords.
URL Encoding: Spaces, Symbols and Query Parameters
Understand percent encoding and when to encode a full URL versus a single parameter value.
Regex Testing Basics for JavaScript Patterns
Learn how to test regular expressions, use flags and avoid common pattern surprises.
Word Count, Character Count and Reading Time for Web Content
Use text statistics to check drafts, meta descriptions, support replies and short content.
Built for direct work
Each tool has its own URL, direct controls, clear output, related tools and a short guide when extra context helps.
Local-first where it fits
Formatting, converting and counting tasks run in the browser. That keeps common workflows responsive and avoids unnecessary uploads for routine text operations.