LazyPaw - Privacy First Offline Tools
Offers 50+ privacy-first, offline tools for developers, including JSON formatting, image conversion, PDF editing, and text processing. Fast, secure, and runs entirely in your browser.
Privacy First
All processing happens locally. Your data never leaves your browser.
Blazing Fast
Powered by WebAssembly for native-level performance.
Offline Ready
Works completely offline. Use it anywhere, anytime.
Developer Tools
11JSON Formatter
JSON Formatter - Beautify, minify, and validate JSON code instantly. Featuring syntax highlighting, tree view, and local-only processing for total privacy.
XML Formatter
XML Formatter - Beautify, minify, and validate XML code instantly. Improve readability or reduce file size with local-only processing.
Unix Timestamp Converter
Unix Timestamp Converter - Easily convert Unix timestamps to human-readable dates and vice versa. Support for milliseconds, seconds, and multiple time zones.
Base64 Encoder/Decoder
Base64 Encoder/Decoder - Securely encode and decode text or binary data to Base64 format. 100% offline processing ensures your sensitive data stays private.
JWT Debugger
JWT Debugger - Decode and inspect JSON Web Tokens (JWT) to view headers, payloads, and expiration times. Analyze your tokens safely without uploading them.
URL Encoder/Decoder
URL Encoder/Decoder - Properly encode or decode URL components and parse query parameters. Simplify handling of special characters for web development.
UUID Generator
UUID Generator - Generate unique UUIDs (v1 or v4) in bulk for your database or testing needs. Fast, random, and completely local generation.
Hash Generator
Hash Generator - Compute MD5, SHA-1, SHA-256, and SHA-512 hashes for text strings or local files. Verify data integrity with native-speed WebAssembly.
SQL Formatter
SQL Formatter - Auto-format and beautify SQL queries for better readability. Support for multiple dialects including MySQL, PostgreSQL, and SQLite.
Color Converter
Color Converter - Easily convert between HEX, RGB, RGBA, and HSL color formats. Perfect for web design and development with instant live previews.
cURL to Code
cURL to Code - Transform cURL commands into clean, ready-to-use code snippets for Python, JavaScript, Go, and more. Speed up your API integrations.
Image Tools
8Image Compressor
Image Compressor - Significantly reduce image file sizes without losing quality. Locally compress JPG, PNG, and WebP files using advanced WebAssembly decoders.
Image Converter
Image Converter - Convert images between JPG, PNG, WebP, and AVIF formats directly in your browser. Privacy-focused with no server uploads required.
Image Resizer
Image Resizer - Quickly resize images to specific dimensions or social media presets. High-quality scaling with instant download.
Image Color Picker
Image Color Picker - Extract beautiful color palettes and specific HEX/RGB codes from any image. Powerful tool for designers and developers.
EXIF Viewer & Remover
EXIF Viewer & Remover - View hidden metadata in your photos or strip all EXIF data for privacy. Inspect GPS location, camera settings, and timestamps.
Favicon Generator
Favicon Generator - Generate a complete set of favicon icons for all platforms from a single image. Optimized for performance and modern web standards.
Image to Base64
Image to Base64 - Convert your images into Base64 Data URIs for easy embedding in HTML or CSS. Fast, simple, and runs 100% in your browser.
Watermark Maker
Watermark Maker - Add text or image watermarks to your photos to protect your content. Customizable positioning, opacity, and tiled patterns.
PDF Tools
7PDF Merge
PDF Merge - Combine multiple PDF files into a single document with custom page ordering. Powerful PDF manipulation that runs entirely on your device.
PDF Split
PDF Split - Extract specific pages or page ranges from a PDF file into new documents. Quickly reorganize your PDFs without uploading private data.
Image to PDF
Image to PDF - Turn your photos and scans into a single, high-quality PDF document. Support for batch processing and custom page sizing.
PDF to Image
PDF to Image - Convert PDF pages into high-resolution JPG or PNG images. Perfect for extracting content or converting documents for social sharing.
PDF Compress
PDF Compress - Reduce the file size of your PDF documents while maintaining readability. Optimize your PDFs for email and web sharing locally.
Organize PDF
Organize PDF - Reorder, rotate, or delete pages within your PDF file. A simple, intuitive tool for managing your documents offline.
PDF Password Protect
PDF Password Protect - Secure your PDF files by adding password encryption and setting permission restrictions. Keep your sensitive documents safe.
Text Tools
8Text Diff Checker
Text Diff Checker - Compare two text versions and highlight differences at the line and word level. Ideal for code reviews and document tracking.
List Cleaner & Deduplicator
List Cleaner & Deduplicator - Clean up messy lists by removing duplicates, sorting alphabetically, and stripping empty lines. Perfect for mailing lists and data sets.
Word & Character Counter
Word & Character Counter - Get accurate word, character, and sentence counts for any text. Support for multi-byte characters and CJK languages.
Case Converter
Case Converter - Instantly switch text between camelCase, snake_case, PascalCase, and more. Essential tool for developers and writers.
Markdown to HTML
Markdown to HTML - Write in Markdown and get a live HTML preview with syntax highlighting. Export your content as clean, ready-to-use HTML.
Regex Tester
Regex Tester - Test and debug your regular expressions with real-time match highlighting. Safe and fast execution using a linear-time engine.
Lorem Ipsum Generator
Lorem Ipsum Generator - Generate placeholder text for layouts and design mockups. Choose between paragraphs, sentences, or words with custom lengths.
Text Scrubber
Text Scrubber - Clean messy text by stripping HTML, collapsing multiple lines, and normalizing punctuation. A Swiss-army knife for text cleanup.
Office Tools
8JSON/XML Flattener
JSON/XML Flattener - Convert nested JSON or XML data into flat CSV-friendly tables. Ideal for data cleaning and integration projects.
Clipboard Table Converter
Clipboard Table Converter - Convert HTML tables copied from your clipboard into Markdown, Jira, or clean HTML formats instantly.
CSV/Excel Format Converter
CSV/Excel Format Converter - Quickly convert files between CSV, XLSX, and JSON formats with automatic character encoding detection.
Excel Split & Merge
Excel Split & Merge - Combine multiple Excel files into one or split multi-sheet workbooks into individual files with ease.
Data Charts Generator
Data Charts Generator - Transform your CSV or Excel data into beautiful Bar, Line, or Pie charts using native SVG rendering.
Bulk Document Generator
Bulk Document Generator - Create hundreds of personalized documents from a single template and data source using Handlebars syntax.
Document Slimmer
Document Slimmer - Compress and optimize Office documents by reducing embedded image sizes and removing redundant styles and metadata.
Cross-File Content Miner
Cross-File Content Miner - Extract specific data fields from multiple PDF, DOCX, or Excel files using keyword-based rules and export to CSV.
Audio Tools
8Audio Transcoder
Audio Transcoder - Convert audio files between formats (MP3, WAV, FLAC, OGG) with sample rate and channel conversion.
Silence Remover
Silence Remover - Automatically detect and remove silence from audio files to create tighter recordings.
Audio Metadata Editor
Audio Metadata Editor - Read and write ID3/M4A tags including title, artist, album, and cover art.
Audio Censor
Audio Censor - Mask or beep sensitive regions in audio files with customizable tones or silence.
Waveform Generator
Waveform Generator - Render beautiful waveform and spectrogram visualizations as SVG images.
Audio Diff
Audio Diff - Compare two audio files and visualize loudness differences and correlation.
Audio Slicer
Audio Slicer - Split audio files into segments by duration, count, or silence detection.
Loudness Normalizer
Loudness Normalizer - Measure and normalize audio loudness to streaming or broadcast standards (LUFS).