Taxes, retirement, mortgages, remodel costs, converters and developer utilities. Everything runs in your browser — nothing is ever uploaded.
The tools people search for most — free, instant, private.
Liability, taxes, setup cost and paperwork — an honest head-to-head to help you pick the right structure for your business.
The only real question is whether you want to pay tax now or later. Here is how to decide — and why the answer is often “both”.
The honest math: rent gives flexibility, buying builds equity — but only if you stay long enough. Here is exactly how to decide.
The average US wedding now costs around $30,000. Here is how that money is actually spent — and an interactive budget builder that allocates every dollar.
Every tool, organized by category.
Beautify, validate, minify JSON
Convert between YAML and JSON
JSON to CSV, YAML, or text
Encode and decode Base64
Encode/decode URLs & query params
Encode/decode HTML entities
Test regex patterns live
Decode and inspect JWT tokens
MD5, SHA-256, Bcrypt hashes
Random Version 4 UUIDs
Strong, secure passwords
Binary ↔ Decimal ↔ Hex
Parse cron expressions to schedules
Break down URLs into components
Minify HTML, CSS, and JS
Beautify and minify CSS
Format and minify JavaScript
Beautify SQL queries
Generate TS interfaces from JSON
Convert CSV to JSON
Export JSON to CSV
Live HTML editor and preview
Live Markdown editor
Count words, characters, sentences
UPPER, lower, Title, camelCase
Remove duplicate lines
Compare two texts side by side
Generate placeholder text
Listen to text read aloud
Extract emails from text
Find phone numbers in text
Convert numbers to FR/EN words
SEO meta tags with preview
Convert Markdown to HTML
Convert HTML to Markdown
Translate to Pig Latin
Encode/decode Morse code
ROT13 text encoding
Caesar cipher with brute force
Convert text to ASCII codes
Pick colors in HEX, RGB, HSL
Generate harmonious palettes
WCAG accessibility check
Visual CSS gradient builder
Visual CSS box shadow builder
Visual Flexbox layout generator
Visual CSS Grid generator
Create custom QR codes
Resize images to any dimension
Reduce image file size
Extract text from images
Convert iPhone photos to JPG
Convert SVG to PNG image
Compress images to WebP
Make favicons & Windows icons
Convert between PNG and JPG
Convert images to PDF
Encode images as Base64
Download YouTube thumbnails
Unix timestamps ↔ human dates
°C, °F, and Kelvin
Check your Body Mass Index
Monthly payments & interest
Project savings growth
Exact age in years, months & days
Estimate your pregnancy due date
Convert US, UK & EU sizes
Toddler, kids & youth sizes
Count working days
Convert time between zones
Length, weight, volume, speed
Quick percentage calculations
Split bills and calculate tips
Days between dates
PyMuPDF4LLM converts PDFs to LLM-ready Markdown in one line of Python. No GPU, no cloud costs, no tokens. Features smart OCR, layout-aware extraction, and native LangChain/LlamaIndex integrations at 250x lower cost than vision LLMs.
opensrc by Vercel Labs fetches and caches package source code from npm, PyPI, crates.io, and GitHub. Stop guessing how libraries work—read the actual implementation instantly and supercharge your AI coding agents with real context.
Transform VSCode with Dark Islands: floating glass panels, rounded corners, and smooth animations inspired by easemate IDE. One-command install, complete visual overhaul.
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