⏱️ Productivity & Time
Timers, calendars, and time-zone tools to plan your day and manage meetings across the globe — no app install needed.
Pomodoro Timer
Focus timer with 25-min work intervals, short and long breaks, session counter.
Date & Time Calculator
Date difference, age, countdown, time unit converter, Excel serial↔datetime, decimal hours, and duration adder.
World Calendar
View any month in Gregorian, Chinese Lunar (农历), and Islamic Hijri calendars. Click any day for a full date comparison.
Stopwatch & Timer
Precise stopwatch with lap times and countdown timer with alarm. Accurate to centiseconds.
Time Zone Converter
Convert times between any two time zones. World clock for 40+ cities. Essential for remote teams.
✨ Generators
Generate secure passwords, QR codes, UUIDs, fake test data, random numbers, Lorem Ipsum, and more — all from your browser.
Password Generator
Generate secure random passwords with custom length and character options.
QR & Barcode Generator
Generate QR codes with logo & frame text, or barcodes (Code 128, EAN-13, UPC-A). URL, WiFi, vCard, Email, SMS and more.
UUID Generator
Generate UUID v4 and v7 identifiers — single or bulk, with one-click copy.
Random Number Generator
Generate random integers or decimals in any range. Bulk generation, no duplicates option.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text by paragraphs, sentences, or words. Classic or random start.
Fake Data Generator
Generate realistic test data — names, emails, phones, addresses and more. Download CSV or JSON.
Wheel of Names
Animated spinning wheel to randomly pick a winner from your list. Remove or keep winners.
📝 PDF & Text
Merge, split, extract, and convert PDFs; count words; write Markdown; diff text; test typing speed — no upload to any server.
PDF Toolkit
Merge multiple PDFs, extract page ranges, split into individual files, or reorder pages with drag-and-drop thumbnails.
PDF to Text
Extract text from any PDF. Browse per-page, copy to clipboard, or download as .txt or Word .docx file.
Word Counter
Count words, characters, sentences, reading time and keyword density live.
Markdown Editor
Live split-pane Markdown editor with HTML preview, toolbar and export.
Text Diff
Side-by-side diff of two text blocks with color-highlighted additions and deletions.
Typing Speed Test
Measure WPM and accuracy with real-time error tracking and grade rating.
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more — instantly.
Notepad
Quick auto-saving scratch pad. Up to 5 named notes stored in your browser — no login, no account needed.
🔒 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.
Base64 Converter
Encode and decode text or files to/from Base64 instantly.
URL Encoder / Decoder
Percent-encode and decode URLs with before/after diff view.
Unix Timestamp
Convert Unix timestamps to human-readable dates and vice versa. Live current timestamp.
Hash Generator
Generate SHA-1/256/384/512 and HMAC hashes from text or files. 100% local.
HTML Entity Encoder
Encode & decode HTML entities (&, <, >). Converts special characters for safe HTML output.
JWT Decoder
Decode JSON Web Tokens instantly — view header, payload, expiry and claims. Token stays in your browser.
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal. Shows bit-length and signed/unsigned ranges.
🧮 Calculators
Percentage, aspect ratio, unit conversion, loan amortization, tip splitting, and number-to-words — quick calculations for everyday decisions.
Percentage Calculator
What is X% of Y? X is what % of Y? Percentage change between two values.
Aspect Ratio Calculator
Find missing width or height given a ratio. Common presets included.
Unit Converter
Convert length, weight, temperature, volume, area, speed and data units. Metric and imperial. All results shown at once.
Loan Calculator
Monthly payment, total interest, and amortization schedule for mortgages, car loans, and personal loans.
Tip Calculator
Calculate tip and split the bill among friends. Quick buttons for 10%–25% tip. Per-person total shown instantly.
Number to Words
Convert any number to English words — for checks, invoices, and legal documents. Supports up to quadrillions.
💻 Development
Developer essentials: JSON editor, CSV↔JSON converter, SQL formatter, regex tester, cron explainer, file compressor, and AI token/cost estimator — all browser-based.
JSON Editor
Validate, format, minify JSON with syntax highlighting and interactive tree view.
CSV ↔ JSON
Convert between CSV and JSON with table preview, file upload and download.
Crontab Explainer
Parse cron expressions into plain English. Shows next 10 scheduled run times.
Regex Tester
Test regular expressions with live match highlighting, capture groups, and g/i/m/s flag toggles.
SQL Formatter
Beautify and minify SQL queries. Uppercase keywords, configurable indent, comma style. Runs locally.
File Compressor
Create ZIP archives from any files, or extract ZIP contents — 100% in your browser. No upload, no server, fully private.
AI Token Counter
Estimate token count and API cost for GPT-4, Claude, Llama, and Gemini before making your call.
Prompt Template Builder
Write AI prompts with {{variable}} placeholders, fill them in, preview the result, and save templates to your browser.
JSON Schema Builder
Auto-generate JSON Schema from any JSON, or build visually. Export in OpenAI and Anthropic tool calling formats.
🌐 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.
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.
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.
CSR Decoder
Decode a Certificate Signing Request — subject, key size, SANs, signature algorithm, fingerprints. Fully local.
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.
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.
Online Traceroute
Trace the network path to any host hop by hop with live streaming output. IPv4 and IPv6 supported.
DNS Lookup
Query A, AAAA, MX, NS, TXT, CNAME, SOA and CAA DNS records for any domain. Fast results via Cloudflare DoH.
Reverse DNS Lookup
Resolve any IPv4 or IPv6 address to its hostname via PTR record (rDNS). Instant results.
IPv6 Analyzer
Expand or compress any IPv6 address and identify its type — global unicast, link-local, ULA, multicast, loopback and more. Fully local.
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.
Image Converter
Convert HEIC/HEIF (iPhone) to JPG or PNG, compress images with quality slider, and resize with aspect-ratio lock.
Color Converter
Convert HEX, RGB, HSL, HSV, CMYK with live preview, shades generator and named colors.
Contrast Checker
Check WCAG AA/AAA contrast ratios for foreground/background color pairs with live preview.
Palette Extractor
Upload an image to extract its dominant color palette as HEX swatches and CSS variables.
Screenshot Beautifier
Add gradient backgrounds, padding, shadows and rounded corners to screenshots. Download PNG.
Character Map
Browse and copy special characters, symbols, arrows, math, currency, Greek, and emoji. Click to copy.
YouTube Downloader
Download YouTube videos as MP4 or audio as MP3. Supports full playlists with batch download.
Speech & Voice
Transcribe mic or audio files to text, or convert text to speech. English, French, Spanish. No upload — 100% browser-based.
Photo Editor
Remove backgrounds, adjust colors, add text, and replace colors in photos — entirely in your browser. No upload needed.
📤 Share
Self-hosted URL shortener, syntax-highlighted pastebin, and file sharing — create a private link with optional expiry, no account required.
URL Shortener
Create short, shareable links with optional custom alias and configurable expiry (1 day to forever).
Pastebin
Share text and code snippets via private link. Choose syntax, expiry, and burn-after-read for one-time viewing.
File Share
Upload compressed archives (.zip .tar .rar) up to 1 GB and share a download link — auto-deleted after up to 7 days.
🎮 Relax
Take a break with 2048, Sudoku, Gomoku, Chess, Simon Says, and memory training games — no download, no account, just fun.
2048
Slide and merge tiles to reach 2048. Arrow keys or swipe. Undo, best score saved.
Sudoku
Classic 9×9 Sudoku — Easy, Medium, Hard. Pencil mode, timer, check and solve.
Gomoku
Get 5 stones in a row on a 15×15 board. Play vs heuristic AI or a friend.
Memory Match
Flip emoji cards to find matching pairs. 3 grid sizes, move counter, timer and star rating.
Chess
Full-rules chess vs AI or a friend. Castling, en passant, pawn promotion. Tap to move.
Simon Says
Watch the color and sound sequence, then repeat it. How many rounds can you survive?
Number Memory
Memorize a number before it disappears, then type it back. Numbers get longer each round.
Visual Memory
Remember which squares light up, then reproduce the pattern. Grid grows each round.
Word Memory
Study a word list, then identify which words you actually saw. Lists get longer each round.
🔍
No tools match ""