Free Online Tools
40+ free online tools for developers, designers, and everyone. No installation, instant use, privacy-first.
PDF Tools
Image Tools
JPG to PDF
Image to PDF Merge
Merge multiple images into a single PDF document.
PNG to JPG
PNG to JPG Conversion
Convert PNG images to JPG format.
Favicon Generator
ICO Favicon Generator
Convert images to favicon.ico format.
Favicon Inspector
Favicon ICO Inspector
Inspect and extract layers from favicon.ico files.
PNG to ICNS
macOS App Icon Generator
Convert PNG images to macOS ICNS app icon format.
WebP Converter
WebP to JPG/PNG
Convert WebP images to JPG or PNG format.
SVG to PNG
Vector to Bitmap
Convert SVG vector graphics to PNG bitmap images.
PNG to SVG
Bitmap to Vector
Convert PNG bitmap images to SVG vector graphics.
GIF Frame Extractor
GIF Frame Splitter
Extract individual frames from animated GIF images.
Barcode/QR Decoder
Barcode & QR Code Reader
Decode barcodes and QR codes from uploaded images.
Network Tools
Ping Test
ICMP Connectivity Test
Test ICMP connectivity and measure latency to a host.
WHOIS Lookup
Domain Registration Info
Look up domain registration and ownership information.
Port Scanner
Open Port Detection
Check for open ports on a target host.
CDN Check
CDN & Real IP Detection
Identify CDN provider and discover the real origin IP.
ASN Lookup
IP Ownership Lookup
Find IP ownership and autonomous system information.
DNS Lookup
Universal DNS Records
Query universal DNS records for any domain.
Traceroute
Network Path Tracing
Trace the full network path and hops to a destination.
HTTP Headers
Response Header Sniffing
Inspect HTTP response headers from any URL.
Email Tools
MX Record Checker
Mail Exchange Records
Check MX records for a domain's mail server configuration.
SPF Record Checker
Sender Policy Framework
Validate SPF records for email sender authentication.
DKIM Record Checker
DomainKeys Identified Mail
Check DKIM records for email signature verification.
DMARC Record Checker
Domain-based Message Authentication
Validate DMARC records for email authentication policy.
Email Port Checker
SMTP/IMAP Port Test
Test connectivity of common email ports (25, 465, 587, 993).
TLS Handshake Test
SSL/TLS Connection Test
Test TLS/SSL handshake for mail server connections.
DNSBL Blacklist Checker
DNS Blacklist Lookup
Check if an IP or domain is listed on DNS blacklists.
PTR Reverse Lookup
Reverse DNS Lookup
Perform reverse DNS lookup to find hostnames for an IP.
Email Suite
All-in-One Email Diagnostics
All-in-one email diagnostics including MX, SPF, DKIM, DMARC, and more.
Developer Tools
JSON Formatter
JSON Beautify & Validate
Beautify, minify, and validate JSON data.
JWT Debugger
JWT Decode & Verify
Decode, encode, and verify JSON Web Tokens.
Text Case Converter
8 Case Conversion Modes
Convert text between 8 different case formats.
Base64 Text Decoder
Base64 String Decode
Decode Base64 encoded strings to plain text.
UUID Generator
UUID v4/v7 Generator
Generate UUID v4 and v7 identifiers.
Base Converter
HEX/DEC/BIN Conversion
Convert numbers between HEX, DEC, OCT, and BIN formats.
File Size Converter
Bit/Bytes/KB/MB/GB/TB
Convert between Bit, Bytes, KB, MB, GB, and TB.
Chinese to Pinyin
Hanzi to Pinyin
Convert Chinese characters to Pinyin romanization.
Color Converter
Hex/RGB/HSL Conversion
Convert colors between Hex, RGB, and HSL formats.
Video Tools
Password Tools
Password Generator
Secure Password Generator
Generate secure random passwords with customizable options.
TOTP Token Generator
Dynamic OTP Codes
Generate time-based one-time password (TOTP) codes.
WiFi QR Code Generator
Scan to Connect â No Typing
Generate a WiFi QR code that lets phones connect instantly by scanning â no typing needed.
Other Tools
QR Code Generator
QR Code Creator
Generate QR codes from text or URLs.
EXIF Viewer
Image Metadata Viewer
View EXIF metadata embedded in image files.
EXIF Auto Orient
Fix Image Rotation
Automatically fix image rotation based on EXIF orientation data.
URL Encoder
URL String Encoding
Encode strings for safe use in URLs.
URL Decoder
URL String Decoding
Decode URL-encoded strings back to readable text.
Timestamp Converter
Unix Timestamp Conversion
Convert between Unix timestamps and human-readable dates.
Exchange Rate
Live Currency Converter
Real-time currency exchange rate converter. Convert between major world currencies with live rates.
Regex Tester
Regex Pattern Tester
Test and debug regular expressions with live matching.
Image to Base64
Image Base64 Encoding
Encode images to Base64 data URI strings.
Base64 to Image
Base64 Image Decoding
Decode Base64 data URI strings back to images.