Private by design
Small tools.
Zero friction.
Fast, focused developer utilities that run entirely in your browser. Your tool inputs never leave your device.
All utilities
33 tools and counting
New tools
View updates →🔤→
Base64 Encode/Decode
Convert text to and from Base64 encoding.
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JSON Formatter
Pretty-print, minify, and validate JSON.
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URL Encode/Decode
Encode or decode URL components.
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JWT Decoder
Decode a JWT header, payload, and signature.
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Hash Generator
Generate MD5, SHA-1, and SHA-256 hashes.
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UUID Generator
Generate random v4 UUIDs.
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Timestamp Converter
Convert between Unix timestamps and dates.
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Color Converter
Convert between HEX, RGB, and HSL.
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Diff Checker
Compare two blocks of text line by line.
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Regex Tester
Test regular expressions with live highlighting.
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Cron Parser
Explain cron expressions and preview next runs.
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Case Converter
camelCase, snake_case, kebab-case, and more.
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Lorem Ipsum
Generate placeholder text on demand.
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Escape / Unescape
HTML entities, JSON strings, SQL literals.
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Base Converter
Binary, octal, decimal, and hex conversion.
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JSON Converter
JSON ↔ YAML, CSV, and TypeScript interfaces.
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QR Code Generator
Generate QR codes with PNG/SVG download.
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Markdown Previewer
Live preview with a safe renderer.
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Image → Base64 & Favicons
Data URLs plus favicon sizes and .ico export.
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Text → Transparent SVG
Turn any text, including Arabic and RTL, into transparent SVG or PNG.
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Password Generator
Secure passwords with a strength meter.
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Image Compressor & Converter
Resize, compress, and convert images to PNG, JPEG, or WebP.
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Photos → PDF
Combine and reorder multiple photos into one downloadable PDF.
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XML Formatter
Format, minify, and validate XML documents.
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SQL Formatter
Format and compact common SQL statements.
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YAML Formatter
Validate YAML and normalize it through JSON.
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ULID & Nano ID Generator
Generate sortable ULIDs and secure Nano IDs.
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Chmod Calculator
Convert Unix permissions between symbolic and octal forms.
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HTTP Status Reference
Search common HTTP response codes and meanings.
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CSS Unit Converter
Convert px, rem, em, percent, vw, and vh values.
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MIME Type Lookup
Find MIME types by extension or description.
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Unicode Inspector
Inspect characters, code points, UTF-8 bytes, and escapes.
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DNS Lookup (nslookup)
Lookup domain IP addresses and DNS records with Cloudflare, Google, or custom DNS.