Free Online PDF, Image & Developer Tools
Free online tools for PDFs, images, and development. No signup required.
Explore over 50 free online tools
Utilavo provides a comprehensive collection of free tools organized into three categories. Every tool works directly in your browser or through secure server-side processing — no account creation, no software installation, and no watermarks on your output files.
PDF Tools
Merge, split, compress, rotate, watermark, convert, protect, and organize PDF documents. Browser-based tools keep your files private; server-based tools handle complex operations like compression and format conversion.
Image Tools
Resize, crop, compress, rotate, watermark, and convert images across 8 formats including JPG, PNG, WebP, AVIF, HEIC, GIF, TIFF, and BMP. All processing runs locally in your browser — images never leave your device.
Developer Tools
Format JSON, encode Base64 and URLs, generate cryptographic hashes and HMACs, test regular expressions, convert colors and timestamps, and encrypt data with AES, DES, and more. All tools run in your browser with zero data transmission.
How to find the right tool
Browse the categories below, or use the search bar in the header (press Cmd+K or Ctrl+K) to find a specific tool by name or function. Each tool page includes step-by-step instructions, frequently asked questions, and links to related tools. If you are new to Utilavo, start with one of the most popular tools: Merge PDF, Compress Image, or JSON Formatter.
Merge, split, compress, convert, protect, and repair PDF documents
Merge PDF
Combine multiple PDF files into a single document
Split PDF
Extract pages or split a PDF into separate files
Compress PDF
Reduce PDF file size while maintaining quality
PDF to Image
Convert PDF pages to JPG or PNG images
Image to PDF
Convert images into a PDF document
Rotate PDF
Rotate PDF pages by 90, 180, or 270 degrees
Watermark PDF
Add text watermarks to PDF pages
Page Numbers
Add page numbers to a PDF document
Protect PDF
Password-protect and encrypt a PDF document
Unlock PDF
Remove password protection from a PDF
Organize PDF
Reorder, delete, and rearrange PDF pages
Repair PDF
Fix corrupted or damaged PDF files
Convert PDF
Convert documents to and from PDF format
Word to PDF
Convert Word documents to PDF format
Excel to PDF
Convert Excel spreadsheets to PDF format
PowerPoint to PDF
Convert PowerPoint presentations to PDF format
HTML to PDF
Convert HTML files to PDF documents
PDF to Word
Convert PDF documents to editable Word files
PDF to Excel
Extract tables from PDF into Excel spreadsheets
PDF to PowerPoint
Convert PDF pages to PowerPoint slides
PDF to PDF/A
Convert PDF to the archival PDF/A-2b standard
Beyond PDFs, Utilavo provides a complete set of browser-based image editing tools. Resize photos for social media, compress images for faster web pages, crop to focus on subjects, and convert between formats like JPG, PNG, WebP, AVIF, and HEIC — all without uploading to a server.
Resize, compress, convert, and edit images
Resize Image
Change image dimensions with precise control
Compress Image
Reduce image file size without visible quality loss
Convert Image
Convert between JPG, PNG, WebP, and other formats
Crop Image
Trim and crop images to any aspect ratio
Rotate Image
Rotate, flip, and mirror images
Watermark Image
Add text watermarks to images
PNG to JPG Converter
Convert PNG images to JPG format online, free
JPG to PNG Converter
Convert JPG images to PNG format with transparency support
WebP to JPG Converter
Convert WebP images to JPG for universal compatibility
JPG to WebP Converter
Convert JPG images to WebP for faster websites
WebP to PNG Converter
Convert WebP images to lossless PNG format
PNG to WebP Converter
Convert PNG images to WebP for smaller file sizes
PNG to AVIF Converter
Convert PNG images to AVIF for maximum compression
JPG to AVIF Converter
Convert JPG images to AVIF for best-in-class compression
AVIF to JPG Converter
Convert AVIF images to JPG for universal compatibility
TIFF to JPG Converter
Convert TIFF images to JPG to reduce large file sizes
GIF to JPG Converter
Convert GIF images to JPG with full colour depth
GIF to PNG Converter
Convert GIF images to PNG with better colour and transparency
HEIC to JPG Converter
Convert iPhone HEIC photos to universally compatible JPG
HEIC to PNG Converter
Convert HEIC photos to lossless PNG for editing and archiving
HEIC to WebP Converter
Convert HEIC photos to WebP for fast, modern web images
The developer tools section covers everyday data transformations that software engineers need: validating JSON before API calls, encoding data for safe transmission, generating hashes for integrity checks, testing regex patterns safely, and exploring cryptographic algorithms with real inputs.
Format, validate, encode, and transform data
JSON Formatter
Format, validate, and prettify JSON data online for API debugging and code review
Base64 Encoder
Encode and decode Base64 strings and files for APIs, emails, and data URIs
URL Encoder
Encode and decode URL components online for safe query strings and API parameters
Hash Generator
Generate MD5, SHA-256, SHA-512, BLAKE3, and 25+ cryptographic hashes to verify file integrity
Regex Tester
Test and debug regular expressions online with live matching and capture groups
Color Converter
Convert colors online between HEX, RGB, HSL, OKLCH, and CMYK for CSS and design
Epoch Converter
Convert Unix timestamps to human-readable dates online with live clock and timezone support
HMAC Generator
Generate HMAC-SHA256 and HMAC-SHA512 authentication codes to sign API requests and verify webhooks
Random String Generator
Generate secure random passwords, API keys, and tokens with cryptographic randomness
Encrypt / Decrypt
Encrypt and decrypt data with AES, DES, Triple DES, and RC4 symmetric ciphers
Getting started
Every tool on Utilavo is completely free with no account required. Most tools process your files entirely in your browser, meaning your data never leaves your device. The few tools that require server-side processing (PDF compression, document conversion) transfer files over encrypted HTTPS and delete them immediately after your download completes. There are no usage limits, no watermarks, and no features locked behind a paywall. For more details about how Utilavo works, visit the About page.