Developer Tools
Format JSON, encode Base64, generate hashes, test regex, and inspect web payloads.
Free online Developer Utilities tools.
Apache .htaccess Redirect Generator
Generate clean 301 redirect and HTTPS rewrite rules for Apache.
Argon2 Password Hash Explainer
Learn how memory-hard Argon2id protects passwords against GPU brute-forcing.
ASCII to Binary Text Converter
Convert text strings into 8-bit binary strings.
ASCII to Hex Converter
Encode text characters into their corresponding hexadecimal byte codes.
Bash Script Syntax Helper
Check shell script syntax patterns and POSIX compliance.
Binary to ASCII Text Converter
Decode binary 8-bit bytes into standard readable English text.
BLAKE2b Hash Generator
Generate fast BLAKE2 cryptographic checksum digests client-side.
Chmod Permissions Calculator
Calculate Linux file permissions in octal (755, 644) and symbolic formats.
Code Difference Checker
Inspect code diffs to review changes between two versions of source files.
Cron Expression Parser
Explain complex crontab schedule expressions in clear human-readable sentences.
Cron Schedule Humanizer
Translate five-part crontab expressions into plain English schedules.
CSV Sorter
Sort CSV rows alphabetically by a chosen column.
CSV Validator
Check a CSV file for consistent column counts across every row.
cURL to Axios Converter
Transform cURL snippets into Axios HTTP request blocks.
cURL to JavaScript Fetch Converter
Convert terminal cURL commands into modern browser JavaScript fetch calls.
cURL to Python Requests Converter
Convert command line cURL calls into clean Python requests scripts.
Dockerfile Linter Helper
Check Dockerfile syntax and best practices for layer caching and security.
Dotenv .env File Validator
Detect duplicate environment keys and malformed syntax in .env files.
Git Commands Reference
Searchable cheat sheet for everyday Git branches, rebasing, and cherry-picking.
Gitignore Generator
Generate .gitignore templates for Node, Laravel, Python, macOS, and IDEs.
Hex to ASCII Text Converter
Convert raw hexadecimal byte sequences into human-readable text.
HTML Entities Decoder
Decode HTML entities back into clean characters.
HTML Entities Encoder
Escape reserved HTML characters into safe numeric and named entities.
HTML Table to Markdown Converter
Convert HTML <table> elements into clean GitHub-flavored Markdown tables.
JSON Escape Tool
Escape arbitrary text so it can safely be embedded as a JSON string value.
JSON Key Extractor
Extract every unique key found anywhere in a JSON document.
JSON Path Tester
Evaluate a dot/bracket JSON path expression against a sample document.
JSON Schema Generator
Infer and generate Draft-07 JSON schemas from sample JSON data.
JSON Schema Validator
Validate JSON objects against formal JSON schema definitions client-side.
JSON Sorter
Recursively sort every object key in a JSON document alphabetically.
JSON to TOML Converter
Convert JSON files into TOML format for configuration files.
JSON to TypeScript Converter
Transform raw JSON objects into strongly-typed TypeScript interfaces automatically.
JSON to YAML Converter
Convert JSON payloads into clean, human-readable YAML configurations.
JSON Unescape Tool
Unescape a JSON-escaped string back to plain, readable text.
JWT Payload Inspector
Inspect expiration dates, user claims, and token signatures in browser.
JWT Token Debugger
Decode JSON Web Token headers and claims payloads without exposing your secrets.
Linux Permissions Guide
Interactive visual permissions calculator with read, write, and execute flags.
Markdown Link Checker
Extract every Markdown link and flag empty or malformed ones.
Markdown Table Generator
Visual editor to create, add rows, and export formatted Markdown tables.
Markdown to HTML Converter
Convert basic Markdown (headers, bold, italic, links, lists, code) into HTML.
package.json Formatter
Sort and format npm package.json dependency lists alphabetically.
Regex Cheat Sheet
Quick interactive reference guide for regular expression syntax and modifiers.
Regex Tester Online
Test regular expressions with real-time match highlighting and group capture.
RIPEMD-160 Hash Generator
Generate 160-bit RIPEMD cryptographic digest hashes.
Robots.txt Builder
Configure search engine web crawler crawl-delays and disallowed directory paths.
SHA-3 Keccak Hash Generator
Generate modern cryptographic SHA-3 Keccak hashes in browser.
SQL Formatter and Beautifier
Reformat messy SQL queries with proper keywords capitalization and indentation.
SQL Minifier
Compress SQL queries by stripping whitespace and comments for production transmission.
SQL Validator
Run lightweight heuristic checks on a SQL query (balanced parens/quotes, recognized keyword, trailing semicolon).
Subresource Integrity (SRI) Hash Generator
Generate sha384 integrity hashes for secure CDN script inclusion.
Text Diff Checker
Compare two blocks of text side by side with highlighted insertions and deletions.
TOML to JSON Converter
Parse TOML configurations into standardized JSON data.
tsconfig.json Generator
Create custom TypeScript compiler configurations for modern frameworks.
TypeScript Formatter
Reformat TypeScript/JavaScript-like code by brace depth.
TypeScript Validator
Run a lightweight structural (bracket-balance) check on TypeScript code.
Unicode Converter
View each character in a string as its Unicode code point (hex and decimal).
Unicode Escape Tool
Escape text into \uXXXX Unicode escape sequences.
URL Slugify Developer Tool
Convert titles and phrases into clean URL-safe hyphenated slugs.
UUID Validator
Validate whether a string is a well-formed UUID.
UUID Version Checker
Detect the version and variant of a UUID string.
XML Escape Tool
Escape XML special characters (& < > " ') in arbitrary text.
XML Unescape Tool
Unescape XML entities back to plain text.
XML Validator
Check whether an XML document is well-formed and view parser errors.
YAML Formatter
Pretty-print and normalize a YAML document.
YAML to JSON Converter
Parse YAML files and convert them into valid JSON structures.
YAML Validator
Validate YAML syntax and view the normalized parsed result.
Free online Developer Utilities & Compilers tools.
API Key Validator
Use this free online API Key Validator to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
ASCII Table
Use this free online ASCII Table to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Binary Translator
Use this free online Binary Translator to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Box Shadow Generator
Use this free online Box Shadow Generator to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Chmod Calculator
Use this free online Chmod Calculator to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Cron Expression Builder
Use this free online Cron Expression Builder to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Cronbachs Alpha Calculator
Use this free online Cronbachs Alpha Calculator to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
CSS Flexbox Generator
Use this free online CSS Flexbox Generator to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Curl To Code Converter
Use this free online Curl To Code Converter to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Decompiler Comparison
Use this free online Decompiler Comparison to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Gitignore Generator
Use this free online Gitignore Generator to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Htaccess Generator
Use this free online Htaccess Generator to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
HTML CSS JS Minifier
Use this free online HTML CSS JS Minifier to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Htpasswd Generator
Use this free online Htpasswd Generator to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Http Status Code Lookup
Use this free online Http Status Code Lookup to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
JSON Diff Checker
Use this free online JSON Diff Checker to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Jsonpath Tester
Use this free online Jsonpath Tester to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Mime Type Lookup
Use this free online Mime Type Lookup to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online C Compiler
Use this free online Online C Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Cpp Compiler
Use this free online Online Cpp Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Csharp Compiler
Use this free online Online Csharp Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Go Compiler
Use this free online Online Go Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Java Compiler
Use this free online Online Java Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Javascript Compiler
Use this free online Online Javascript Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Php Compiler
Use this free online Online Php Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Python Compiler
Use this free online Online Python Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online R Compiler
Use this free online Online R Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Ruby Compiler
Use this free online Online Ruby Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Rust Compiler
Use this free online Online Rust Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online SQL Editor
Use this free online Online SQL Editor to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Online Typescript Compiler
Use this free online Online Typescript Compiler to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Port Number Lookup
Use this free online Port Number Lookup to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Px To Rem Converter
Use this free online Px To Rem Converter to perform instant calculations and data conversions right in your web browser. 100% private, zero server uploads, and completely free with no registration required.
Free online Encoding tools.
Free online Developer Generators tools.
Cron Generator
Visual cron schedule builder for Linux, crontab, and Cloud.
Cron Parser
Parse cron expressions into plain human-readable schedules.
Timestamp Converter
Convert epoch timestamps to GMT, UTC, and local time zones.
UUID
Generate bulk v4 UUID strings using browser Web Crypto.
Free online CSS Tools tools.
Free online JSON Tools tools.
CSV to JSON
Convert comma-delimited CSV spreadsheets into formatted JSON objects.
JSON Minifier
Minify and compact JSON by stripping whitespace and comments.
JSON to CSV
Convert JSON object arrays to clean comma-separated CSV files.
JSON to XML
Transform hierarchical JSON data into standard XML markup.
JSON Validator
Validate JSON schemas and find syntax syntax errors in browser.
JSON Viewer
Visual tree inspector and nested object explorer for JSON arrays.
Free online Hashing tools.
Hash Generator (SHA256, MD5, SHA1)
Generate cryptographic SHA-256, SHA-512, SHA-1, and MD5 hashes from any text input.
MD5 Generator
Generate MD5 128-bit checksum hashes from input text.
SHA1 Generator
Generate cryptographic SHA-1 hashes directly in your browser.
SHA256 Generator
Compute secure SHA-256 cryptographic hashes with Web Crypto.
SHA512 Generator
Compute high-security SHA-512 hashes in your browser.
Free online HTML Tools tools.
HTML Entity Decoder
Decode HTML entities back to readable raw characters.
HTML Entity Encoder
Convert special characters into HTML entities (e.g. &, <).
HTML Minifier
Minify HTML pages by removing whitespace and comments.
HTML Preview
Live sandboxed HTML, CSS, and JS preview runner in browser.
HTML to Markdown
Convert HTML markup into clean readable Markdown format.
Free online JavaScript Tools tools.
JS Formatter
Prettify and format JavaScript code with standard indentation.
JS Minifier
Minify JS scripts and strip comments for production deployment.
JS Obfuscator
Obfuscate JavaScript variables and functions to protect source code.
JS Timestamp Converter
Convert JavaScript Unix timestamps into readable date strings.
JS Validator
Check JavaScript syntax validity and detect parse errors.
Free online Regex tools.
Regex Escape
Escape special regex characters to treat strings as literal patterns.
Regex Generator
Generate regular expressions for emails, URLs, dates, and patterns.
Regex Replace
Replace text using regular expressions and capture groups.
Regex Tester
Test regular expressions against sample text with live matching.