Developer Tools for Debugging, Formatting, and Everyday Workflows
Use practical developer tools for debugging APIs, formatting JSON, decoding JWT tokens, testing regex patterns, converting timestamps, generating UUIDs, and handling encoded data during development.
Small Tasks Developers Repeat Every Day
From debugging payloads to formatting data and decoding values, these tools help reduce repetitive development friction during everyday work.
Built for Quick Checks, Not Complexity
Sometimes you just want to inspect a JWT, format JSON, compare data, or validate an output without opening another tool or writing extra code.
Useful Across Frontend, Backend, and APIs
Whether you work with APIs, authentication, testing, payloads, debugging, or browser logic, these utilities are designed to save time during development.
Popular Developer Tools
Frequently used utilities for API debugging, data inspection, encoding workflows, and structured data formatting.
Regex Tester
Test and debug regular expressions online.
Open tool →Timestamp Converter
Convert Unix timestamps into readable dates.
Open tool →Word Counter
Count words, characters, sentences, and reading time.
Open tool →UUID Generator
Generate random UUID v4 values instantly.
Open tool →CURL Command Builder
Build CURL commands for API requests instantly.
Open tool →Cookie Parser
Parse HTTP cookies into readable key-value pairs instantly.
Open tool →All Developer Utilities
Browse tools for debugging, encoding, formatting, parsing, and testing during frontend and backend development.
Regex Tester
Test and debug regular expressions online.
Timestamp Converter
Convert Unix timestamps into readable dates.
Word Counter
Count words, characters, sentences, and reading time.
UUID Generator
Generate random UUID v4 values instantly.
CURL Command Builder
Build CURL commands for API requests instantly.
Cookie Parser
Parse HTTP cookies into readable key-value pairs instantly.
MIME Type Finder
Find MIME types by file extension instantly.
IP Address Inspector
Inspect IPv4 and IPv6 address format instantly.
UUID Validator
Validate UUID values, check UUID format, and detect UUID versions directly in your browser.
Unix Timestamp Generator
Generate Unix timestamps, convert dates to epoch time, and convert timestamps back to readable dates.
CURL to Fetch Converter
Convert cURL commands to JavaScript fetch code for API requests, headers, methods, and body data.
HTTP Request Formatter
Format raw HTTP requests and inspect methods, headers, query parameters, and body data.
HTTP Response Formatter
Format raw HTTP responses and inspect status codes, headers, cookies, redirects, and body data.
HTTP Header Diff Checker
Compare two sets of HTTP headers and find added, removed, changed, or unchanged header values.
API Request Header Builder
Build API request headers, prepare Authorization, Content-Type, Accept, and custom HTTP header blocks.
Regex Match Tester
Test regular expressions, inspect matches and capture groups, and preview replacements.
HTTP Request Parser
Parse raw HTTP requests, inspect headers, query parameters, cookies, and request bodies.
SQL Beautifier / Minifier
Beautify, format, minify, and clean SQL queries directly in your browser.
cURL Command Parser
Parse cURL commands into method, URL, headers, cookies, body, and request details.
Fetch to cURL Converter
Convert JavaScript fetch() calls into reviewable cURL commands with method, URL, headers, body handling, and masked sensitive values.
Query String Builder
Build URL query strings from key-value parameters, encode values, and preview final URLs.
URL Parts Parser
Parse URLs into protocol, hostname, path, query parameters, hash, and readable URL parts.
Request Header Builder
Build HTTP request headers, add common API headers, and copy clean header output.
API Error Response Formatter
Format API error responses, extract error codes, messages, validation errors, and trace details.
Regex Replace Tester
Test regex find and replace patterns with capture groups, named groups, changed lines, match positions, and before-after output.
HTTP Cache Header Analyzer
Analyze Cache-Control, ETag, Expires, Last-Modified, Vary, Age, CDN cache status, browser TTL, and revalidation behavior.
API Rate Limit Header Parser
Parse RateLimit, X-RateLimit, Retry-After, reset time, remaining quota, usage percentage, and API throttling headers.
HTTP Accept Header Generator
Generate Accept, Content-Type, Accept-Language, and Accept-Encoding headers for API testing and content negotiation debugging.
Content-Disposition Header Generator
Generate Content-Disposition headers for attachment or inline file responses with safe filenames, UTF-8 filename*, and server snippets.
GraphQL Query Formatter
Format, minify, and inspect GraphQL queries, mutations, subscriptions, fragments, variables, and request payloads.
HTTP Basic Auth Header Generator
Generate Authorization: Basic headers from username and password values with cURL, Fetch, Axios, JSON, and plain header outputs.
HTTP Method Tester
Check HTTP method usage and generate safe cURL or fetch request examples.
Small Development Tasks These Tools Make Easier
Development often slows down because of tiny repetitive tasks — checking a JWT payload, cleaning JSON, debugging encoded values, comparing responses, or quickly testing a regex before shipping code. These utilities are built for those everyday moments.
Quickly inspect API responses when something looks wrong.
Format messy JSON payloads before debugging or sharing them.
Check JWT tokens and encoded values during authentication work.
Test regex patterns before adding them to production logic.
Convert timestamps when logs or backend values are hard to read.
Generate UUIDs and identifiers during testing or development.
Inspect URL parameters and query strings while debugging requests.
Validate or clean structured data before deployment or release.
Why Browser-Based Developer Utilities Matter
When building something, developers often need to quickly format data, check values, test APIs, decode tokens, inspect payloads, or validate small things before continuing.
Developer tools help make these quick checks easier without needing to install software or leave the browser.
Frequently Asked Questions
What are developer utilities?
Developer utilities are tools that help with debugging, formatting, encoding, parsing, validation, and testing during software development.
Are these tools useful for frontend and backend developers?
Yes. These tools support frontend development, backend APIs, DevOps workflows, testing, and structured data handling.
Do these tools require installation?
No. Most tools work directly inside your browser without any installation or signup.
Are inputs processed on external servers?
Most Yoryantra tools process data locally inside your browser unless a specific utility requires an external URL check.