Display your public IP address and look up geolocation info for any IP
Generate secure passwords with customizable options
Interactive chmod permission calculator with numeric and symbolic notation
Encode and decode Base64 strings with copy functionality
Encode and decode URLs for safe transmission
Generate MD5, SHA1, and SHA256 hashes from text input
Calculate network address, broadcast, host range, and usable hosts from CIDR or subnet mask
Calculate usable capacity, fault tolerance, and efficiency for RAID 0, 1, 5, 6, and 10
Decode and inspect JSON Web Tokens — view header, payload, and expiry without the secret
Build cron schedules with a visual editor and get human-readable descriptions
Convert between Unix timestamps and human-readable dates, and map times across world timezones
Convert between bytes, KB, MB, GB, TB and binary equivalents (KiB, MiB, GiB, TiB)
Convert colours between HEX, RGB, HSL, and Lab formats with a visual colour picker
Convert numbers between binary, octal, decimal, and hexadecimal with live updates
Generate QR codes from text or URLs with customisable size and error correction
Test regular expressions with live match highlighting, capture groups, and flag controls
Build and test Atlassian Jira JQL queries visually with presets and direct Jira link
Format and beautify SQL queries across MySQL, PostgreSQL, T-SQL, SQLite and more
Build SELECT queries visually with JOINs, WHERE conditions, GROUP BY, ORDER BY, and LIMIT
Upload multiple images, crop, resize to preset or custom dimensions, and convert to WebP, PNG, or JPEG
Visually edit Content-Security-Policy headers — add, remove, and modify directives and values
Look up DNS records, IP geolocation, and domain registration details for any website
Check DNS record propagation across multiple global resolvers with a world map view
Search and explore common Windows Event IDs with descriptions and investigation notes
Calculate file transfer time, file size, or required bandwidth — enter any two to solve for the third
Convert colours to YCbCr (YUV) with BT.601, BT.709, and BT.2020 standards — interactive Cb–Cr plane, Y bar, and vectorscope
Compare two texts side-by-side or in unified view and visualise the differences
Look up common TCP/UDP port numbers — search by port, service name, or keyword
Interactive guide to all 7 OSI layers with protocols, devices, common issues, and troubleshooting tools
Convert between YAML and JSON — perfect for Kubernetes manifests, Docker Compose, and CI configs
Paste a PEM certificate to inspect subject, SANs, expiry, key info, and fingerprints — all client-side
Convert docker run commands into docker-compose.yml service definitions instantly
Generate time-based one-time passwords from a base32 secret — for debugging MFA and 2FA setups
Check password entropy, estimated crack time, and weakness patterns — all computed locally
Interactively calculate CVSS v3.1 base scores and generate vector strings for vulnerability assessment
Parse raw email headers to inspect routing hops, SPF/DKIM/DMARC authentication, and spam signals
Compute HMAC-SHA1/256/384/512 message authentication codes for API signing and verification
Format, validate, and minify JSON — paste raw JSON to instantly pretty-print or compact it
Generate UUID v4 (random) and v7 (time-ordered) identifiers — cryptographically secure, all client-side
Instantly convert text between camelCase, PascalCase, snake_case, kebab-case, and more
Quick lookup for all standard HTTP status codes — search by code, name, or description
Break any URL into its components — protocol, host, path, query parameters, and fragment
Type your name and download a stylish signature as a transparent PNG for documents and emails
Search Windows Blue Screen stop codes (0x7B, IRQL_NOT_LESS_OR_EQUAL, etc.) with likely causes and fixes
Look up Windows Update / WSUS / feature upgrade error codes (0x8007…, 0xC1900…) with fixes
Diagnose AD replication, Kerberos, LDAP, and trust errors (1722, 8453, LDAP 49) with fixes
Diagnose Group Policy processing failures (1030, 1058, SYSVOL/DFSR, slow link) with fixes
Common Windows printer and spooler errors (0x00000709, 0x0000011B, PrintNightmare) with fixes