Your Free All-in-One Online Toolbox
Toolzer offers fast, free browser and API access to powerful tools for file conversion, media editing, SEO optimization, and productivity boosting.
25+
Free Tools
100K+
Monthly Users
5M+
Tasks Completed
Your Digital Toolkit
Everything you need to create, convert, and optimize — all in one place.
Network & DNS Tools
DNS Resolver
Resolve domain to DNS records
Reverse DNS Lookup
Find PTR for an IP address
WHOIS Lookup
Fetch domain/IP WHOIS data
IP Geolocation
Map IP to country, region, ISP
Port Scanner
Scan open TCP/UDP ports
Traceroute Analyzer
Trace route to a destination IP
Ping Utility
Measure packet loss and latency
Subnet Calculator
Calculate network info from CIDR
Security Tools
SSL Certificate Checker
Inspect TLS cert details
Open Port Lookup
Check if a port is open
HTTP Security Headers
Scan for missing headers
JWT Token Inspector
Decode and verify JWTs
X.509 Decoder
View fields from a PEM cert
Hash Cracker
Crack hashes via dictionary
Developer Tools
GraphQL Tester
Send GraphQL queries & view response
REST API Composer
Craft & test REST calls
WebSocket Tester
Connect & send messages
cURL Generator
Generate curl from request data
JSONPath Evaluator
Extract data from JSON
XPath Tester
Evaluate XPath on XML/HTML
Crypto & Encoding Tools
RSA Keypair Generator
Generate RSA PEM keys
AES Encrypt/Decrypt
Run AES-CBC or GCM
Hash Calculator
Generate MD5/SHA/CRC32
Base Encoder/Decoder
Base64/58/32 encoding tools
PGP Signature Verifier
Validate PGP signed text
Blockchain Address Decoder
Decode BTC/ETH address or txn
Advanced File Tools
Binary/Hex Converter
Convert binary ↔ hex
ELF/PE Inspector
Read headers of ELF/PE files
EXIF Extractor
Extract metadata from JPEG
Disk Image Analyzer
Parse ISO/IMG without mount
PDF Inspector
Explore internal PDF structure
AI & ML Tools
AI Image Enhancer
Upscale and enhance images
AI Summarizer
Summarize long articles
Speech to Text
Transcribe audio files
Text to Speech
Convert text to voice
AI Code Linter
Lint code using ML
AI Vulnerability Scanner
Detect security issues in code
Deep Dive Tools
PCAP Parser
Analyze .pcap network captures
Dockerfile Analyzer
Suggest Dockerfile optimizations
Kubernetes YAML Validator
Validate K8s manifests
Terraform Visualizer
Visualize Terraform plan
Why Toolzer?
Powerful tools for everyone — whether you're automating workflows or just need a quick conversion.
For Everyone
- No sign-up required
- Fast, reliable results
- Mobile-friendly & simple UI
- 25+ tools in one place
For Developers
- Simple REST API access
- 1M free requests per month
- JSON responses & serverless support
- Perfect for automation, bots, & SaaS apps
Free Tools for Everyone
Toolzer is completely free to use. No login required, no usage limits, and no hidden fees. Our APIs will also be free during our initial launch period.
Web Tools
Access all 25+ tools directly from your browser. No sign-up or installation needed — just visit and start using instantly.
• Media downloaders
• Text & SEO utilities
• Developer tools
API Access
Integrate our tools into your workflows and applications. All APIs will be free during our beta period.
• Comprehensive documentation
• Rate limits apply
• Register for an API key