Ferramentas grátis online para desenvolvedores
Use ferramentas grátis online para formatar código, converter dados, testar regex, inspecionar tokens e preparar pequenas tarefas de desenvolvimento direto no navegador.
Todas Ferramentas para desenvolvedores
Formatador de XML
Formate e deixe documentos XML mais legíveis
Conversor de YAML para JSON
Converta dados YAML para o formato JSON
Formatador de SQL
Formate e organize consultas SQL
Ofuscador de JavaScript
Ofusque código JS para dificultar a leitura da lógica
Testador de regex
Teste e depure expressões regulares
Decodificador de JWT
Decodifique e inspecione tokens JWT
Gerador de crontab
Gere expressões cron de forma visual
Conversor de JSON para CSV
Converta arrays JSON para o formato CSV
Codificador de entidades HTML
Converta caracteres em entidades HTML
Visualizador de dados serializados em PHP
Decodifique dados serializados de PHP e WordPress
Conversor de epoch
Converta entre timestamps Unix e datas
Formatador de GraphQL
Formate consultas GraphQL para melhorar a legibilidade
Conversor universal de Markdown
Converta Markdown para HTML, PDF e DOCX com privacidade no navegador
Analisador de logs no navegador
Abra arquivos de log grandes localmente, inspecione logs JSON e analise problemas repetidos sem upload
Ambiente de testes para site estático
Rode um sandbox Node.js de site estático com vários arquivos no navegador, com terminal e preview ao vivo
Criptografador de arquivos no navegador
Criptografe arquivos com AES-256 no navegador e desbloqueie depois com a mesma senha
Pomodoro e rastreador de dados offline-first
Use um timer Pomodoro privado com histórico local, estatísticas diárias e armazenamento no navegador com foco em uso offline
CSV para SQL no navegador
Converta arquivos CSV em scripts SQL e SQLite localmente no navegador
Overview
Developer workflows often require quick transformations: formatting JSON, validating regex, decoding tokens, or building cron expressions. This catalog provides a reliable toolbox for debugging, data conversion, and configuration tasks without leaving your browser. Everything runs client-side to protect proprietary code and data.
Developer tasks pile up quickly
Small formatting and validation tasks interrupt deep work and can slow engineering teams. Jumping between IDE plugins and external services introduces friction and inconsistency.
Data interchange formats like JSON, YAML, XML, and CSV often require conversion and cleanup. A dedicated toolkit simplifies this process and reduces errors.
Security is also critical. Decoding tokens or obfuscating code should happen locally to avoid leaking sensitive information.
Catalog Breakdown
Formatting and prettifying
Keep data and code readable with standardized formatting.
- Beautify XML and SQL
- Format GraphQL queries
- Clean up JSON for reviews
Data conversion and extraction
Translate between formats for integration and analysis.
- Convert YAML to JSON
- Transform JSON to CSV
- Decode HTML entities safely
Debugging and validation
Test regex, decode tokens, and parse serialized data.
- Validate regex patterns
- Decode JWT payloads
- Inspect PHP serialized strings
Automation helpers
Support scheduling, timestamps, and code protection workflows.
- Generate cron expressions
- Convert epoch timestamps
- Obfuscate JavaScript snippets
How to Use These Tools
Select the developer task
Choose formatting, conversion, validation, or automation tools.
Paste your data or code
Work directly in the tool to avoid data leaks.
Adjust parameters
Set indentation, delimiters, or validation patterns.
Review and verify output
Check that the transformed data still matches expectations.
Copy the result
Export the output back into your project or pipeline.
Document changes
Note any transformations for team visibility.
Use Cases
API debugging
Format JSON responses and inspect tokens quickly.
Data migrations
Convert YAML to JSON or JSON to CSV for ETL steps.
Regex development
Test complex patterns against sample strings.
Cron scheduling
Build schedules without manual cron syntax errors.
Legacy system support
Decode PHP serialized data for migrations.
Security hygiene
Obfuscate snippets or inspect JWT headers locally.
Professional Applications
Backend engineering
Validate payloads and translate formats in pipelines.
DevOps
Generate cron schedules and analyze timestamps.
Security engineering
Inspect tokens and obfuscate exposed code.
Data engineering
Convert and clean structured data.
QA automation
Validate outputs and compare structured data.
Best Practices
- Validate outputs before pushing them to production.
- Avoid placing secrets in any tooling, even client-side.
- Use consistent formatting rules across your team.
- Document conversions in commit messages or PR notes.
- Test cron schedules in a staging environment first.
- Use JSON or YAML schemas when available to validate structure.
- Remember that obfuscation is not encryption.
FAQs
Is my code uploaded to servers?
No. All processing is client-side.
Can I use these tools for large files?
Yes, but performance depends on your device and file size.
Are these tools safe for production secrets?
They do not transmit data, but you should still avoid exposing secrets unnecessarily.
Is JavaScript obfuscation a security feature?
Obfuscation adds friction but is not a substitute for real security controls.
Do formatters change semantics?
They only adjust formatting, not logic.
Can I trust the conversions?
Conversions use deterministic parsing rules based on standard formats.
Do the tools support modern syntax?
They support common, modern versions of each format.
Can I export results?
Yes. Copy results directly into your codebase or data files.