Developer Tools
That Just Work
100+ free online tools for JSON, encoding, text, and data processing. 100% client-side — your data never leaves your browser.
JSON Tools
6 toolsFormatador JSON
Embeleze e formate JSON com destaque de sintaxe.
Validador JSON
Valide a sintaxe JSON instantaneamente com mensagens de erro detalhadas.
Minificador JSON
Minifique e comprima JSON removendo espaços em branco.
JSON para CSV
Converta arrays JSON para formato CSV para planilhas.
JSON para XML
Converta dados JSON para formato XML válido instantaneamente.
Diferença JSON
Compare dois objetos JSON e destaque as diferenças entre eles.
Text Tools
5 toolsDiferença de Texto
Compare dois blocos de texto e veja as diferenças linha por linha.
Remover Linhas Duplicadas
Remova linhas duplicadas do texto e mantenha apenas linhas únicas.
Ordenador de Texto
Ordene linhas de texto alfabeticamente, numericamente ou por comprimento.
Contador de Palavras
Conte palavras, caracteres, frases e parágrafos no seu texto.
Localizar & Substituir
Localize e substitua texto com suporte para padrões regex.
Encoding
10 toolsCodificador Base64
Codifique texto ou dados binários para formato Base64 instantaneamente.
Decodificador Base64
Decodifique strings Base64 de volta para texto legível instantaneamente.
Codificador URL
Codifique URLs e strings de consulta para uso seguro em requisições HTTP.
Decodificador URL
Decodifique strings URL codificadas em porcentagem para formato legível.
Codificador HTML
Codifique caracteres especiais HTML para entidades HTML seguras.
Decodificador HTML
Decodifique entidades HTML de volta para seus caracteres originais.
Decodificador JWT
Decodifique e inspecione tokens JWT — cabeçalho, payload e assinatura.
Conversor de Timestamp
Converta timestamps Unix para datas legíveis e vice-versa.
Gerador de Hash
Gere hashes MD5, SHA-1, SHA-256 e SHA-512 de qualquer texto.
Gerador UUID
Gere identificadores UUID v4 aleatórios para usar em seus projetos.
Data Tools
2 toolsXML Tools
3 toolsConverters
12 toolsText to Binary
Convert text to binary (0s and 1s) representation.
Binary to Text
Convert binary (0s and 1s) back to readable text.
HEX to Text
Convert hexadecimal values to readable text.
Text to HEX
Convert text to hexadecimal representation.
Unicode Converter
Convert text to Unicode code points and escape sequences.
ASCII Converter
Convert between text and ASCII decimal/hex codes.
Morse Code Converter
Convert text to Morse code and Morse code back to text.
ROT13 Encoder/Decoder
Encode or decode text using the ROT13 cipher (works both ways).
Base32 Encoder/Decoder
Encode and decode data using Base32 encoding.
Base58 Encoder/Decoder
Encode and decode data using Base58 encoding (used in Bitcoin/crypto).
Charset Converter
Inspect and convert between character encodings: UTF-8, Latin-1, ASCII.
URL Slug Generator
Generate SEO-friendly URL slugs from any text.
Hashing
7 toolsMD5 Hash Generator
Generate MD5 hashes from text or files. Note: MD5 is not cryptographically secure.
SHA1 Hash Generator
Generate SHA-1 hashes from any text. Note: SHA-1 is deprecated for security use.
SHA256 Hash Generator
Generate secure SHA-256 hashes from any text using the Web Crypto API.
SHA512 Hash Generator
Generate secure SHA-512 hashes from any text using the Web Crypto API.
HMAC Generator
Generate HMAC authentication codes using SHA-256 or SHA-512 with a secret key.
Hash Compare Tool
Compare two hash values to verify integrity or check if passwords match.
File Checksum Generator
Generate SHA-256, SHA-512, or SHA-1 checksums for any file to verify integrity.
Generators
16 toolsPassword Generator
Generate strong, random passwords with custom length and character sets.
Password Strength Checker
Check the strength and security of your password with entropy analysis.
Password Entropy Calculator
Calculate the exact entropy in bits of any password or string.
Random Number Generator
Generate random numbers in any range, single or bulk.
Random String Generator
Generate random strings with custom length, charset, and quantity.
Random Token Generator
Generate cryptographically secure random tokens for APIs, sessions, and secrets.
Random API Key Generator
Generate random API keys in various formats ready to use in your projects.
Webhook Secret Generator
Generate secure webhook secrets compatible with GitHub, Stripe, and other platforms.
Random Color Generator
Generate random colors in HEX, RGB, HSL, and CSS formats.
Random HEX Color Generator
Generate random HEX color codes for CSS and design work.
Random IP Generator
Generate random IPv4 and IPv6 addresses for testing and development.
Random MAC Address Generator
Generate random MAC addresses for network testing and development.
Random JSON Generator
Generate random JSON objects and arrays for testing and mocking APIs.
Random List Generator
Generate random lists of items — numbers, strings, or custom values.
Random Picker
Paste a list of names or items and pick one or more at random.
Fake Name Generator
Generate random fake names and personal data for testing and development.
Text Transform
4 toolsCase Converter
Convert text between uppercase, lowercase, title case, camelCase, snake_case and more.
Text Cleaner
Remove extra spaces, line breaks, special characters and clean up messy text.
Text Reverser
Reverse text characters, words, or lines.
Add Prefix/Suffix
Add a prefix, suffix, or both to each line of text.
Text Analysis
6 toolsWord Frequency Counter
Count how many times each word appears in your text.
Keyword Density Checker
Analyze keyword density in text for SEO optimization.
Keyword Extractor
Extract key terms and phrases from text automatically.
Entity Extractor
Extract emails, URLs, phone numbers, hashtags, and mentions from text.
Email Extractor
Extract all email addresses from any block of text.
URL Extractor
Extract all URLs and links from any block of text or HTML.
Code Tools
11 toolsHTML Minifier
Minify HTML by removing whitespace, comments, and unnecessary characters.
HTML Beautifier
Beautify and format HTML with proper indentation.
CSS Minifier
Minify CSS by removing whitespace, comments, and unnecessary characters.
CSS Beautifier
Beautify and format CSS with proper indentation and structure.
JavaScript Minifier
Minify JavaScript code by removing whitespace and comments.
JavaScript Beautifier
Beautify and format JavaScript code with proper indentation.
SQL Formatter
Format and beautify SQL queries with proper indentation and keyword highlighting.
Regex Tester
Test regular expressions against text with match highlighting and group capture.
Markdown to HTML
Convert Markdown text to HTML with live preview.
HTML to Markdown
Convert HTML markup to clean Markdown text.
Log Parser
Parse and analyze server logs, application logs, and structured log files.
Guias
O Guia Completo do JSON
Tudo o que você precisa saber sobre JSON — formato, validação, ferramentas e melhores práticas.
Guia de Codificação e Decodificação
Domine a codificação e decodificação Base64, URL, HTML com exemplos práticos.
Guia de Ferramentas de Dados
Um guia abrangente para transformar, converter e manipular formatos de dados.
Guia de Ferramentas de Texto
Como processar, limpar e transformar eficientemente dados de texto com ferramentas de desenvolvimento.