Local-first utilities and practical browser workflows
Find the right browser tool without hunting for it.
Search directly, start from a task, or browse the most useful tools first. Core utilities stay separate from guides, hubs, and supporting resources.
Task paths
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AI Pricing Explorer
Browse the pricing database directly with presets, filters, pinned comparisons, source freshness, and inline history.
AI Cost Planner
Turn public model pricing into a decision-maker shortlist with monthly scenario costs, hidden-fee pressure, and route-risk tradeoffs.
PDF Editor
Merge files, reorder or drop pages, extract ranges, rotate scans, add text boxes, and cover/remove text directly in your browser.
Image Format Converter
Convert images to PNG, JPG, WebP, GIF, BMP, or TIFF directly in your browser (AVIF/HEIC need native codecs).
Video Converter
Browser-native video converter for MP4, WEBM, or GIF with CRF, FPS, and resolution controls.
Audio Converter
Convert audio to MP3, WAV, FLAC, or OGG entirely in your browser with bitrate, sample rate, channel, and loudness controls.
Tool finder
Browse all utilities
29 utilities shown
AI Pricing Explorer
Browse the pricing database directly with presets, filters, pinned comparisons, source freshness, and inline history.
AI Cost Planner
Turn public model pricing into a decision-maker shortlist with monthly scenario costs, hidden-fee pressure, and route-risk tradeoffs.
PDF Editor
Merge files, reorder or drop pages, extract ranges, rotate scans, add text boxes, and cover/remove text directly in your browser.
Image Format Converter
Convert images to PNG, JPG, WebP, GIF, BMP, or TIFF directly in your browser (AVIF/HEIC need native codecs).
Video Converter
Browser-native video converter for MP4, WEBM, or GIF with CRF, FPS, and resolution controls.
Audio Converter
Convert audio to MP3, WAV, FLAC, or OGG entirely in your browser with bitrate, sample rate, channel, and loudness controls.
Password Generator
Generate strong, policy-friendly passwords with secure randomness and one-click presets.
English Prepositions Game
Duolingo-style preposition practice with cloze phrases, streak scoring, records, and leaderboard.
UI Catalog
Visual catalog of 100 high-traffic web UIs with desktop, tablet, and mobile captures.
Breed Matchmaker
Rank dog breeds against apartment life, kids, first-time ownership, low shedding, quiet homes, activity, and hot climates.
Compare Dog Breeds
Compare up to three breeds with plain-English tradeoff summaries instead of raw stat tables only.
Dog World Atlas
Browse dog breeds by origin on a world map and jump into breed pages from each country cluster.
Rare Breed Vault
Discover lesser-known dog breeds with spotlight profiles, origin details, source links, and related breeds.
Guess the Breed
Play an image-first dog breed game with clues about origin, group, size, and traits.
Swipe for Dogs
Like and skip breeds fast, then get a live read on your dog taste profile.
Dream Dog Board
Save favorite breeds into themed boards and keep a visual shortlist gallery.
Dogs Explorer
Compare dog breeds, stats, and visuals with an interactive explorer.
Media Metadata Scrubber
Strip EXIF/GPS data, resize to social/web presets, and compress images before uploading.
Image to SVG Tracer
Convert raster images to vector SVG paths using potrace for B&W or vtracer for color graphics.
Twitter Advanced Search
Build X/Twitter queries with real-world operators beyond the built-in advanced search.
Twitter Lists Finder
Search for Twitter lists on specific topics using advanced query operators.
Twitter Places Search
Find Twitter place IDs for location-based searches using the _within:_ operator.
Flight Calendar Invite
Turn any flight number into a calendar invite with auto route lookup and an .ics download.
Fuel Cost Calculator
Estimate trip fuel cost from fuel price per liter, distance in kilometers, and dashboard consumption, with optional route-based distance lookup.
Professional Rate Calculator
Calculate optimal rates for your professional services based on experience, market position, and business costs.
Series & Movie Release Notifier
Search TVMaze and Wikidata to find season finales or movie premieres and export a calendar reminder without API keys.
Live Camera ASCII
Stream your webcam and transform frames into ASCII art instantly without uploading video.
Dumb Talking Text
Turn any message into alternating-case mocking text without sending it anywhere.
Crypto Mining with Solar
Size miners, solar, and batteries together and see payback, cash flow, and energy balance.
Guides and resources
Hubs, guides, plugins, and supporting workflows
Dogs Hub
Open the dog breed hub and jump into atlas, matchmaker, compare, swipe, boards, collections, and breed pages.
Dog Collections
Browse dog collection pages for apartment, low-shedding, quiet, family, and guard-dog use cases.
Twitter (X) Tools Hub
Jump into the advanced search builder, operator guide, lists finder, places lookup, and capture guides.
Twitter Advanced Search Guide
Learn how to use X/Twitter search operators effectively with syntax tips and examples.
Twitter Tweet Capture Guide
Capture tweets with Tampermonkey using a step-by-step walkthrough.
WordPress Plugins
WordPress plugins authored by me, including Debug White Screen of Death and Redirection Add-on Monitor.
Nonprofit Digital Grants Assistant
Interactive tool to identify and apply for digital transformation grants for nonprofits in Spain.