All Tools.
One Place.
Converters, generators, analysis tools – many running directly in your browser, no account or upload required.
Privacy
Browser tools process everything locally – no data leaves your browser.
Instant & free
No account needed for browser tools. Just open and go.
Server Tools
Powerful workers for video and audio processing – available after signing in.
Popular tools
Encrypted File Transfer
Share files E2E-encrypted (ECDH + AES-GCM) via WebRTC P2P – no server upload
aioCAD
Interactive 3D construction tool: place basic shapes, combine them, export as STL.
3D Viewer
View 3D models: rotate and inspect STL, OBJ, PLY, GLTF, GLB and 3MF in the browser.
Logic Gate Simulator
Simulate digital circuits with AND, OR, NAND, XOR, flip-flops, MUX/DEMUX using drag-and-drop
🎵Media & ImageView all 40 tools →
aioCAD
Interactive 3D construction tool: place basic shapes, combine them, export as STL.
3D Viewer
View 3D models: rotate and inspect STL, OBJ, PLY, GLTF, GLB and 3MF in the browser.
Audio Converter
Conversion runs directly in the browser – no data is uploaded
STL Slicer
Automatically split 3D objects into printable segments with connectors.
Background Remover
Remove background from images – directly in the browser
Image Converter
PNG · JPEG · WebP · AVIF · BMP · GIF – convert directly in the browser
Image Crop & Resize
Scale, crop and process images via canvas – in the browser
Audio Trimmer
Trim audio files – freely choose start & end, directly in the browser
📝Text & DocumentsView all 29 tools →
Word & Character Counter
Count words, characters, sentences and paragraphs in text
ASCII Table
All 128 ASCII characters with decimal, hex, binary values and names – searchable
Classic Ciphers
ROT13, Caesar, Vigenère, Atbash & Morse code – in the browser
CSV to SQL Converter
Convert CSV files to SQL INSERT statements
HTTP Status Codes
All HTTP status codes with description and category
ASCII Art Generator
Convert text to ASCII art fonts – directly in the browser
CSV Viewer & Editor
Load CSV, display as table, sort, search and edit
HTML Entity Encoder
Encode and decode HTML special characters
⚙️Developer ToolsView all 44 tools →
Logic Gate Simulator
Simulate digital circuits with AND, OR, NAND, XOR, flip-flops, MUX/DEMUX using drag-and-drop
File Transfer Duration Calculator
Calculate the expected transfer duration for files at a given bandwidth
URL Parser & Builder
Decompose, analyze and reassemble URL components
Docker Compose Generator
Generate docker-compose.yml for common services
JSON to TypeScript
Convert JSON to TypeScript interfaces – in the browser
Regex Tester
Interactively test and debug regular expressions
SemVer Bumper
Bump and compare semantic version numbers
Base64 & URL Encoder
Encode/decode Base64 and URL parameters – runs in the browser
🔒Security & CryptographyView all 15 tools →
Encrypted File Transfer
Share files E2E-encrypted (ECDH + AES-GCM) via WebRTC P2P – no server upload
Share Clipboard
Securely transfer text between devices (PC ↔ smartphone) – end-to-end encrypted via WebRTC, no sign-up
CRC Calculator
CRC-8, CRC-16, CRC-32 from text or hex bytes
Hash Generator
MD5, SHA-1/256/384/512 from text or file – runs in the browser
JWT Generator
Create and sign JSON Web Tokens with HS256/RS256
Password Generator
Generate secure passwords with configurable character set
Password Strength Checker
Analyze the strength and security of a password
TOTP Generator
Generate time-based one-time passwords (RFC 6238) in the browser
🌐Network & InfrastructureView all 18 tools →
MAC Vendor Lookup
IEEE OUI: Identify manufacturer from MAC address
Cron Expression Generator
Visually create and validate cron expressions
IP Geolocation
Look up location, ISP and metadata of an IP address
My IP
Show your currently visible IP address and proxy headers
Subnet Calculator (CIDR)
Calculate IPv4 subnet mask, network address, broadcast and host range
DNS Lookup
A · AAAA · MX · TXT · NS · CNAME · SOA · CAA via Cloudflare DoH
DNS Multi-Resolver
Query DNS records from 6 public resolvers and check consistency – Guest: 1 request/minute
IP Lookup (ASN)
Resolve IPv4 address to ASN, country and IP range
🔌Hardware & MakerView all 36 tools →
Modbus Parser
Create Modbus RTU frames, check CRC-16 and decode request/response fields
MQTT Explorer
Connect to MQTT broker via WebSocket, subscribe to topics and send messages
ESP32 DevKit v1 Pinout
Xtensa LX6 Dual-Core · 240 MHz · 3.3V I/O · 34 GPIO · ADC/DAC/Touch · WiFi + Bluetooth
Solar System Simulator
Annual simulation: generation, storage, grid feed-in and self-sufficiency calculation
ESP8266 NodeMCU v3 Pinout
Tensilica L106 · 80/160 MHz · 3.3V I/O · 11 usable GPIO · 1x ADC · WiFi 802.11 b/g/n
Raspberry Pi Pinout
BCM/WiringPi/Board numbering for all 40-pin GPIO models
Teensy 4.1 Pinout
ARM Cortex-M7 · 600 MHz · 55 Digital · 18 Analog · CAN · USB Host
Arduino Nano Pinout
ATmega328P · 22 Digital (incl. A0–A5) · 8 Analog · 6 PWM · A6/A7 analog only
🔢Mathematics & FinanceView all 19 tools →
Rule of Three Calculator
Calculate direct and inverse rule of three
Compound Interest Calculator
Final capital, annual breakdown, optional deposits
Date Difference & Age Calculator
Calculate the difference between 2 dates or exact age
Loan Calculator
Calculate monthly payment, total interest and amortization schedule for annuity loans
Percentage Calculator
Calculate percentages, percentage rates and changes
Matrix & Vector Calculator
Matrix operations up to 4×4 and vector math
Pomodoro Timer
Focus timer with break intervals using the Pomodoro technique
VAT Calculator
Calculate value-added tax: net ↔ gross with 19%, 7% or a custom rate – including reverse calculation from the tax amount
🎲Games & PuzzlesView all 4 tools →
Dice Roller & Coin Flip
Roll dice online (d4–d100, up to 20 dice) and flip coins – with true randomness and history
Random Group Generator
Randomly and fairly split names into groups – by number of groups or group size, great for classrooms and workshops
Crossword Generator
Generate a playable crossword from a pool of topics – solve online or print as PDF.
Wheel of Names
Enter names, spin the wheel, pick a winner – great for raffles, classrooms and team decisions. Shareable via URL.