Free Online Image, PDF, QR & Developer Tools
Resize images, convert PDFs, generate QR codes, format JSON, create passwords, and use 50+ developer utilities directly in your browser. 100% free, private, no sign-up required.
⭐ Most Popular
Popular Tools
Image Resizer
Resize to exact px or %
Image Compressor
Reduce size without quality loss
PDF to Image
Extract pages as PNG / JPG
Merge PDF
Combine multiple PDFs into one
Compress PDF
Reduce PDF file size online
QR Code Generator
URL, WhatsApp, WiFi, vCard
Word Counter
Words, chars, reading time
JSON Formatter
Beautify, minify, validate
Password Generator
Strong random passwords
Image Resizer
Resize to exact px or %
Image Compressor
Reduce size without quality loss
Image to PDF
Combine images into one PDF
Image Converter
JPG, PNG, WebP, BMP
Image to Base64
Encode image to data URL
PDF to Image
Extract pages as PNG / JPG
Images → PDF
Merge multiple images to PDF
Merge PDF
Combine multiple PDFs into one
Split PDF
Split PDF into pages or ranges
Compress PDF
Reduce PDF file size online
Rotate PDF
Rotate all or specific pages
Remove PDF Pages
Delete specific pages from PDF
Extract PDF Pages
Save specific pages as new PDF
QR Code Generator
URL, WhatsApp, WiFi, vCard
WiFi QR Code
Share WiFi without typing
WhatsApp QR
Open WhatsApp chat via QR
Contact vCard QR
Share contact via QR
Word Counter
Words, chars, reading time
Case Converter
UPPER, lower, camelCase…
Slug Generator
Text to URL-friendly slug
Markdown Preview
Write & preview Markdown live
Diff Checker
Compare two texts side by side
JSON Formatter
Beautify, minify, validate
Base64 Encoder
Encode / decode text & files
Hash Generator
SHA-256, SHA-512, MD5…
UUID Generator
Generate random UUIDs
Timestamp Converter
Unix timestamp ↔ date
Regex Tester
Test regular expressions live
HTML Entities
Encode / decode HTML entities
Number Base Converter
Binary, Octal, Decimal, Hex
URL Encoder / Decoder
Percent-encode & decode URLs
JWT Decoder
Inspect header, payload & expiry
SQL Formatter
Beautify & format SQL queries
XML Viewer
Format XML & convert to JSON
Cron Generator
Build cron expressions visually
cURL Converter
cURL to Python, JS, Go & more
JSON to Go Struct
Convert JSON to Go struct types
File Checksum
MD5, SHA-256, SHA-512 file hash
Unicode Converter
Text to Unicode escapes & entities
JSON Validator
Validate JSON with error details
JSON Minifier
Minify & compress JSON instantly
JSON Compare
Diff two JSON objects visually
JSON Sort Keys
Sort JSON keys alphabetically
Regex Explainer
Understand regex in plain English
Regex Replace
Find & replace with regex patterns
Regex Extract
Extract all matches from text
YAML Validator
Validate & format YAML syntax
HTTP Status Codes
Complete HTTP response code reference
CIDR Calculator
Subnet & IP range calculator
Password Generator
Strong random passwords
Lorem Ipsum
Generate placeholder text
Color Picker
HEX, RGB, HSL + shades
CSV to JSON
Convert CSV data to JSON
Aspect Ratio Calc
Image & video aspect ratios
✨ Why choose us
Tools that respect your privacy
100% Private
All processing happens locally in your browser. Nothing is uploaded to any server — ever.
Instant Results
No waiting for server round-trips. Tools process files in milliseconds using browser APIs.
Always Free
Every tool is free forever. No sign-up, no credit card, no watermarks, no hidden limits.
Works Everywhere
Fully responsive. Works on any modern browser — desktop, tablet, or mobile.
💬 FAQ
Frequently Asked Questions
Are these tools really free?
Yes, all 34+ tools are completely free with no limits, no sign-up required, and no watermarks added.
Are my files safe and private?
All processing happens locally in your browser using JavaScript. Your files are never uploaded to any server.
Do I need to create an account?
No account required. Open any tool and start using it immediately — no registration, no email.
What image formats are supported?
Most tools support JPG, PNG, WebP, GIF, and BMP. PDF tools support standard PDF files up to 50MB.
Can I use these tools on mobile?
Yes, all tools are fully responsive and work on any modern browser on desktop, tablet, or mobile.
How do I report a bug?
Open an issue on our GitHub repository or contact us through the About page.