Free Online Tools for Everyday Work

76 browser-based utilities — no login, no tracking, no install, no ads, open-source platform. Built by pro-privacy Grin crypto member.

🔥 Popular Tools

The 10 most-used tools based on real click data from visitors.

⏱️ Productivity & Time

Timers, calendars, and time-zone tools to plan your day and manage meetings across the globe — no app install needed.

✨ Generators

Generate secure passwords, QR codes, UUIDs, fake test data, random numbers, Lorem Ipsum, and more — all from your browser.

📝 PDF & Text

Merge, split, extract, and convert PDFs; count words; write Markdown; diff text; test typing speed — no upload to any server.

🔒 Encoding & Crypto

Encode and decode Base64, URLs, and HTML entities; generate SHA/HMAC hashes; inspect JWT tokens; convert number bases — all locally, nothing leaves your browser.

🧮 Calculators

Percentage, aspect ratio, unit conversion, loan amortization, tip splitting, and number-to-words — quick calculations for everyday decisions.

💻 Development

Developer essentials: JSON editor, CSV↔JSON converter, SQL formatter, regex tester, cron explainer, file compressor, and AI token/cost estimator — all browser-based.

🌐 Network & Security

Network diagnostics and security tools: ping, traceroute, DNS lookup, reverse DNS, port checker, IP geolocation, domain WHOIS, IPv6 analyzer, subnet calculator, and more — IPv4 and IPv6 supported.

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Currency & Crypto
Convert 40+ fiat currencies and crypto (BTC, ETH, XMR, GRIN) with live rates. Popular pairs and quick table.
🌐
What Is My IP?
Show your public IP, ISP, country, city, coordinates and IPv6 support status.
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IP Location Lookup
Look up any IPv4, IPv6 or domain — country, city, ISP, ASN, coordinates, VPN/proxy detection and map.
📎
Campaign URL Builder
Build UTM-tagged URLs for Google Analytics campaign tracking with history and QR.
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CSR Decoder
Decode a Certificate Signing Request — subject, key size, SANs, signature algorithm, fingerprints. Fully local.
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Port Checker
Check if TCP ports are open on any host. IPv4 and IPv6 supported. Presets for common services (SSH, RDP, HTTP, HTTPS…) and all Grin mainnet & testnet ports.
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Domain Checker
WHOIS / RDAP lookup, DNS records, availability across 8 TLDs (.com .net .org .io .app…), and AI-powered domain name suggestions.
📡
Online Ping Test
Ping any IP address or hostname with live output. Configurable packet count. IPv4 and IPv6 supported.
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Online Traceroute
Trace the network path to any host hop by hop with live streaming output. IPv4 and IPv6 supported.
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DNS Lookup
Query A, AAAA, MX, NS, TXT, CNAME, SOA and CAA DNS records for any domain. Fast results via Cloudflare DoH.
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Reverse DNS Lookup
Resolve any IPv4 or IPv6 address to its hostname via PTR record (rDNS). Instant results.
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IPv6 Analyzer
Expand or compress any IPv6 address and identify its type — global unicast, link-local, ULA, multicast, loopback and more. Fully local.
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Subnet Calculator
Calculate network address, broadcast, subnet mask, host range and total addresses from any IPv4 or IPv6 CIDR. Fully local.
🖼️ Media

Image converter, color tools, photo editor with AI background removal, screenshot beautifier, YouTube downloader, speech-to-text transcription — all locally processed.

📤 Share

Self-hosted URL shortener, syntax-highlighted pastebin, and file sharing — create a private link with optional expiry, no account required.

🎮 Relax

Take a break with 2048, Sudoku, Gomoku, Chess, Simon Says, and memory training games — no download, no account, just fun.

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