Free Developer Tools — Fast, No Login Required
Simple tools that just work. No signup, no ads, no tracking.
JSON Formatter
Format, validate and minify JSON instantly.
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JWT Decoder
Decode and inspect JWT tokens in your browser.
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Markdown to HTML
Convert Markdown to HTML with live preview.
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Cron Generator
Build and explain cron expressions visually.
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QR Code Generator
Generate QR codes for URLs, WiFi, email and more.
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Base64 Encoder
Encode and decode Base64 strings and files.
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URL Encoder
Encode and decode URLs with query string parser.
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Password Generator
Generate strong, secure random passwords.
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UUID Generator
Generate random UUIDs/GUIDs in bulk.
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Lorem Ipsum
Generate placeholder text for designs and mockups.
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Color Converter
Convert colors between HEX, RGB, and HSL.
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Regex Tester
Test regex patterns with live match highlighting.
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Epoch Converter
Convert Unix timestamps to dates and back.
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Diff Checker
Compare two texts and see differences highlighted.
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Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
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HTML Entity Encoder
Encode and decode HTML entities instantly.
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YAML to JSON
Convert between YAML and JSON formats.
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CSS Minifier
Minify or beautify CSS with compression stats.
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Image to Base64
Convert images to Base64 data URIs.
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JSON to CSV
Convert JSON arrays to CSV and back.
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SQL Formatter
Format SQL queries with keyword highlighting.
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Chmod Calculator
Calculate Linux file permissions visually.
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IP Lookup
Find your IP address and look up IP info.
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PDF Text Extractor
Extract text from PDFs. Supports Thai & English.
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Thai Slug Converter
Convert Thai text to URL-friendly slugs.
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String Case Converter
Convert between camelCase, snake_case, kebab-case, PascalCase and more.
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Number Base Converter
Convert numbers between Binary, Octal, Decimal, and Hexadecimal.
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XML Formatter
Format, validate, and minify XML with proper indentation.
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CSV to JSON
Convert CSV data to JSON instantly. Supports headers and custom delimiters.
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Bcrypt Generator
Generate and verify bcrypt password hashes with custom cost factor.
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TOTP Generator
Generate 2FA TOTP codes from a Base32 secret. Test Google Authenticator.
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HTML Formatter
Beautify and format HTML code with proper indentation.
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JS Minifier
Minify and compress JavaScript with Terser. Reduce file size instantly.
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User Agent Parser
Parse User Agent strings to detect browser, OS, and device type.
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ULID Generator
Generate sortable unique IDs (ULIDs) — time-ordered alternative to UUID.
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