Tools Directory
Explore our collection of free developer and design utilities.
JSON to YAML Converter
Quickly transform your JSON data into clean, formatted YAML. Features real-time validation, syntax highlighting, and easy copying.
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YAML to JSON Converter
Convert YAML configuration files to JSON format with syntax validation and error checking.
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Password Generator
Create strong, secure passwords with customizable length and character sets.
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JSON Formatter
Format and beautify JSON data with syntax highlighting and validation.
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Base64 Encoder/Decoder
Encode text or files to Base64 format or decode Base64 strings.
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SQLite & Database Viewer
View and query SQLite databases directly in your browser with a visual query builder and SQL editor.
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JWT Decoder
Decode and inspect JWT tokens instantly. View header, payload, signature, expiration status, and time claims.
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JWT Generator
Create signed JWT tokens with custom payloads, choose algorithm (HS256/384/512), and provide your secret key.
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Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates. Live clock, multiple formats, seconds & milliseconds.
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Timezone Converter
Convert date and time between timezones. Compare multiple zones side by side with live mode and DST detection.
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URL Encoder / Decoder
Encode or decode URLs and URI components instantly. Supports encodeURIComponent for query parameters and encodeURI for full URLs.
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UUID Generator
Generate cryptographically secure UUIDs (v4) in standard, hyphen-free, uppercase, or braced GUID formats. Bulk generation up to 1,000.
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Hash Generator (SHA)
Compute SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic hashes from any text using the Web Crypto API. All processing stays in your browser.
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Text Case Converter
Convert text between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, and more — see all twelve formats at once.
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Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Real-time conversion with input validation and BigInt precision for large values.
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Markdown Editor & Word Export
Live Markdown editor with HTML preview. Copy formatted rich text into Word, Google Docs, Gmail, or Notion — or download a ready-to-edit .doc file.
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HTML Viewer & PDF / Word Export
Render HTML in a sandboxed live preview. Save as PDF via your browser, download as a Word (.doc) file, or copy as rich text for Gmail, Notion, and any rich-text editor.
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QR Code Generator
Generate a QR code from any text or URL. Customize colors, error correction, and quiet-zone margin, then download as PNG or SVG, copy the image, or share directly from your browser. Generation history saved locally.
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