Free Developer Tools & Utilities
Essential tools for developers and programmers. Format and beautify code, convert between data formats, test regular expressions, decode tokens, and generate configuration files. All tools run in your browser with no data sent to servers.
Semua Developer Tools
XML Pemformat
Format dan rapikan dokumen XML
Konverter YAML ke JSON
Konversi data YAML ke format JSON
SQL Pemformat
Format dan rapikan kueri SQL
Obfuscator JavaScript
Acak kode JS untuk melindungi logika
Penguji Regex
Uji dan debug ekspresi reguler
JWT Dekoder
Dekode dan periksa token JWT
Generator Crontab
Buat ekspresi cron secara visual
Konverter JSON ke CSV
Konversi array JSON ke format CSV
Encoder Entitas HTML
Konversi karakter menjadi entitas HTML
Penampil Data Serialized PHP
Dekode data serialized PHP/WordPress
Konverter Epoch
Konversi antara timestamp Unix dan tanggal
Perapih GraphQL
Format kueri GraphQL agar mudah dibaca
Konverter Markdown Universal
Konversi Markdown ke HTML, PDF, dan DOCX secara privat di peramban Anda
Penganalisis Log Sisi Klien
Buka file log besar secara lokal, periksa log JSON, dan analisis masalah berulang tanpa unggahan
Playground Situs Statis
Jalankan sandbox situs statis Node.js multi-file di peramban Anda dengan keluaran terminal dan pratinjau langsung
Enkripsi File Berbasis Peramban
Enkripsi file dengan AES-256 di peramban Anda dan buka lagi nanti dengan kata sandi yang sama
Pelacak Pomodoro & Data Offline-First
Jalankan timer Pomodoro privat dengan riwayat lokal, statistik harian, dan penyimpanan peramban offline-first
CSV ke SQL Sisi Klien
Konversi berkas CSV menjadi skrip SQL dan SQLite secara lokal di peramban Anda
Ringkasan
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.
Rincian katalog
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
Cara menggunakan alat ini
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.
Kasus penggunaan
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.
Aplikasi profesional
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.
Praktik terbaik
- 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.
Pertanyaan umum
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.