All Tools
All tools organized by category.
Generators
QR Code Generator
Generate QR codes quickly and easily from any text or URL.
Use Tool →Color Picker
Pick a color and get values in multiple formats instantly.
Use Tool →Password Generator
Generate secure passwords with custom patterns, character sets, and exclusion rules. All processing happens in your browser.
Use Tool →Passphrase Generator
Generate strong, memorable passphrases from random words. Customize word count, separator, and capitalization. 100% browser-based.
Use Tool →Token Generator
Generate cryptographically secure tokens in Hex, Base64, Base58, or URL-safe format. All processing happens in your browser.
Use Tool →Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512, SHA-3 hashes and HMAC from text or files. 100% browser-based, nothing sent to servers.
Use Tool →Hash Compare
Compare two hash values side by side with character-level diff highlighting. Verify file integrity instantly.
Use Tool →UUID / ID Generator
Generate UUID v4, UUID v7, ULID, and NanoID. Batch generation, timestamp parsing, and configurable options. 100% browser-based.
Use Tool →Text to ASCII Art Generator
Type any word or phrase and turn it into editable monospace ASCII art. Pick a font, cell ratio, and fill character — single block or brightness ramp — then copy or hand-edit the result.
Use Tool →Image Tools
Image Color Picker
Upload an image and click anywhere to pick colors.
Use Tool →Image Resizer / Compressor / Converter
Resize, compress, and convert images online. Pixel, percentage, and fit-within modes. Social media presets, batch processing, and format conversion. 100% browser-based.
Use Tool →Image Annotation Editor
Draw rectangles and polygons on images, tag labels, and export to JSON, COCO, or YOLO format. Real-time JSON editor sync. 100% browser-based.
Use Tool →Image to ASCII Art Converter
Turn any image into editable monospace ASCII text. Adjust width and edges, then copy or hand-edit the result in the built-in editor.
Use Tool →Engineering calculations
Date & Time
World Timezone Map
Interactive world map with real-time day/night boundary and local times for major cities. Powered by your browser clock — no server needed.
Use Tool →World Timezone List
Compare time differences between cities worldwide with an interactive timezone list.
Use Tool →Age and a guide to filings
From your date of birth, see typical windows for passports, visas, contracts, and other applications — including the days before and after. Recheck what the birthday itself actually marks.
Use Tool →Converters
Travel Units
Miles, Fahrenheit, gallons, and local money for a trip — convert as you type.
Use Tool →Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, and more. Custom rules for camelCase, snake_case, and advanced transformations. 100% browser-based.
Use Tool →Document Tools
PDF Toolkit
Merge, split, and rotate PDF files in your browser. No account, no watermarks, files are processed in memory and discarded after the response.
Use Tool →Merge PDF
Combine multiple PDF files into one. Drag to reorder, up to 20 files per merge, no watermarks.
Use Tool →Split PDF
Split a PDF into individual pages or pick a custom page range. Download all pages as a ZIP or each one separately.
Use Tool →Rotate PDF
Rotate selected pages of a PDF by 90, 180, or 270 degrees. Fix scanned documents and landscape pages without re-scanning.
Use Tool →Analyzers
Excel Heatmap Viewer
Upload an Excel or CSV file and visualize numeric data as a compact heatmap. Spot patterns at a glance.
Use Tool →Text Analyzer
Count words, characters, and lines. Spot invisible characters and homoglyph look-alikes on a live minimap. Search and replace with regex. Optional server-side readability and word-frequency analysis. 100% browser-based for the basics.
Use Tool →Explorers
Similar but Different Country Finder
Pick a country and discover others that are similar in one stat yet different in another — population, area, GDP, health, and 25+ indicators. Results are dealt as explorable cards.
Use Tool →Similar but Different US State Finder
Pick a US state and discover others that are similar in one stat yet different in another — population, income, home values, and 17 indicators. Includes DC and Puerto Rico.
Use Tool →Earthquake History Map
Scrub through a century of significant earthquakes and tsunamis on an interactive world map. Circle size shows magnitude, human figures show casualties. Auto-play the timeline and watch history unfold.
Use Tool →Hurricane & Typhoon History Map
Watch four decades of hurricanes, typhoons, and cyclones trace their paths across a world map. Track colors show intensity. Scrub the timeline or let it play.
Use Tool →Wildfire History Map
Watch two decades of large wildfires flare up across an interactive world map. Circle size shows burned area, color shows how long each fire burned. Scrub the timeline or let it play.
Use Tool →Volcano Eruption History Map
Explore significant volcanic eruptions from antiquity to today on an interactive world map. Circle size and color show explosivity (VEI), with plate boundaries and earthquake overlays. Scrub the timeline or let it play.
Use Tool →Meteorite History Map
Explore 32,000 recorded meteorites on an interactive world map — observed falls in orange, desert and Antarctic finds in blue, circle size by mass. Includes a recent-fireball layer. Scrub the timeline or let it play.
Use Tool →Network Tools
IP Address Checker
Check your public IP address, location, ISP, and connection details instantly. No data stored.
Use Tool →CIDR / Subnet Visualizer
Visualize, split, aggregate, and diff CIDR blocks. VLSM planner, longest-prefix lookup, reverse DNS zone generation, and RFC badge detection. IPv4 and IPv6.
Use Tool →Developer Tools
JSON Formatter / Validator
Format, validate, and minify JSON in your browser. Syntax highlighting, line numbers, and error reporting. No data sent to server.
Use Tool →Base64 Encoder / Decoder
Encode, decode, and validate Base64 in your browser. Supports text, files, images, Data URLs, and URL-safe Base64. No data sent to server.
Use Tool →JWT Decoder / Inspector
Decode, inspect, and verify JWT tokens in your browser. View header, payload, claims, expiration, and verify HMAC signatures. No data sent to server.
Use Tool →Regex Tester / Editor
Test, visualize, replace, and explain regular expressions in your browser. Match highlighting, capture groups, replacement preview, pattern explainer, and cheat sheet. No data sent to server.
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