Professional Developer Tools
Format, validate, test, encode, and debug code, JSON, regex, timestamps, and tokens. Secure, fast, and entirely online with browser-native acceleration.
18
Active Tools
100%
Free Access
JSON Formatter & Validator
Format, beautify, validate, minify, and inspect JSON payloads with real-time error detection and line pointers.
JSON Converter
Convert JSON data structures bidirectionally between CSV, YAML, and XML formats instantly.
JSONPath Tester
Evaluate and test JSONPath expressions against complex JSON structures with live match filtering.
JSON Schema Validator
Validate JSON payloads against JSON Schema specifications (Draft-07, 2020-12) with detailed error reports.
Base64 & URL Encoder/Decoder
Encode and decode strings, files, and URLs into Base64 or percent-encoded formats with URL-safe options.
JWT Debugger & Decoder
Decode and inspect JSON Web Tokens (JWT) to view header algorithms, payload claims, and expiration validity.
Cryptographic Hash Generator
Generate secure cryptographic checksums including MD5, SHA-1, SHA-256, and SHA-512 with HMAC support.
UUID / GUID Generator & Validator
Generate random, cryptographically secure RFC-4122 v4 UUIDs in bulk and validate existing UUID strings.
Unix Timestamp & Epoch Converter
Convert between Unix epoch timestamps (seconds & milliseconds) and human-readable UTC/local date formats.
Regex Tester & Debugger
Test and debug Regular Expressions with real-time match highlighting, group extraction, and pattern libraries.
Cron Expression Builder
Build, visualize, and translate 5-part and 6-part Cron schedule expressions into plain English.
HTML Formatter & Minifier
Prettify messy HTML markup with proper indentations or minify files for optimal page speed.
CSS Formatter & Minifier
Format stylesheets with clean selector nesting or compress CSS to minimal byte size for deployment.
JavaScript & Code Formatter
Format, indent, and minify JavaScript, TypeScript, and JSON code snippets.
SQL Formatter & Beautifier
Format complex SQL queries with standardized keyword capitalization, indentations, and line breaks.
XML Formatter & Validator
Format, indent, and validate XML documents with syntax error highlighting.
YAML Formatter & Validator
Format and validate YAML configuration files with strict indentation error checking.
HTTP Status Code Inspector
Comprehensive directory and lookup tool for all standard HTTP 1.1 and HTTP/2 status codes with explanations.
Explore More Categories
Image Tools
Resize, crop, compress, and convert images.
Format Converters
Convert between Word, Excel, PPT, and PDF.
Developer Tools FAQ
verifiedAre my files secure when processing online?
Yes. Most tasks execute client-side inside your browser. Files uploaded for complex server conversions are automatically purged within 1 hour.
devicesDo I need to install any apps or browser extensions?
No installation is required. ToolSphere operates in modern web browsers across Mac, Windows, Linux, iOS, and Android.