Every small tool you need, in one place.
Convert, compress, encode and generate — 101 utilities that work entirely on your device. No uploads, no accounts, no waiting.
Converters
12 toolsTemperature Converter
Convert between Celsius, Fahrenheit, and Kelvin.
Length Converter
Convert between meters, feet, miles, inches, and more.
Weight Converter
Convert between kilograms, pounds, ounces, and grams.
Volume Converter
Convert between litres, millilitres, gallons, cups, and more.
Area Converter
Convert between square metres, acres, hectares, square feet, and more.
Speed Converter
Convert between km/h, mph, m/s, knots, and feet per second.
Time Converter
Convert between seconds, minutes, hours, days, weeks, and years.
Data Storage Converter
Convert between bytes, KB, MB, GB, and TB.
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal.
Roman Numeral Converter
Convert numbers to Roman numerals and back (1–3999).
Timezone Converter
Convert a date and time between world time zones.
Currency Converter
Convert between world currencies at recent exchange rates.
Image Tools
12 toolsAdd Watermark
Overlay text watermarks on an image, with position and opacity control.
Resize Image
Resize or scale an image by pixels or percentage, keeping aspect ratio.
Image Format Converter
Convert images between PNG, JPG, WebP, and AVIF.
Compress Image
Shrink image file size with an adjustable quality slider.
Crop Image
Crop an image to a custom rectangle by dragging on the preview.
Rotate & Flip Image
Rotate an image in 90° steps and flip it horizontally or vertically.
Image Color Picker
Pick colors from an image and read them as HEX, RGB, and HSL.
Image ↔ Base64
Encode an image to a Base64 data URL, or decode one back to an image.
Favicon Generator
Generate favicon PNGs and an .ico from a single source image.
Meme Generator
Add classic top and bottom captions to an image.
HEIC to JPG
Convert Apple HEIC/HEIF photos to JPG, entirely in your browser.
Remove Background
Cut out the background from an image to make it transparent.
PDF Tools
12 toolsMerge PDFs
Combine several PDF files into one, in any order you like.
Split PDF
Extract page ranges or split a PDF into multiple documents.
Images to PDF
Combine JPG and PNG images into a single PDF document.
PDF to Images
Render each page of a PDF to a PNG or JPG image.
Organize Pages
Reorder and delete pages with a visual page thumbnail grid.
Rotate PDF Pages
Rotate some or all pages of a PDF in 90° steps.
Watermark PDF
Stamp a text watermark across every page of a PDF.
Protect PDF
Add a password to encrypt and protect a PDF.
Unlock PDF
Remove the password from a PDF you can already open.
Extract Text from PDF
Pull the selectable text out of a PDF, page by page.
Compress PDF
Reduce the file size of a PDF document.
Word to PDF
Convert Word (.docx) documents to PDF, entirely in your browser.
Text Tools
9 toolsWord & Character Counter
Count words, characters, sentences, and reading time as you type.
Case Converter
Convert text between UPPER, lower, Title, camelCase, snake_case, and more.
Find & Replace
Find and replace text with plain or regular-expression matching.
Sort & Dedupe Lines
Sort, reverse, shuffle, trim, and remove duplicate or empty lines.
Lorem Ipsum Generator
Generate placeholder paragraphs, sentences, or words of lorem ipsum.
Text Diff
Compare two blocks of text and highlight added and removed lines.
Slug Generator
Turn any text into a clean, URL-friendly slug.
Markdown ↔ HTML
Convert Markdown to HTML and HTML back to Markdown.
Text to Speech
Read text aloud with your browser’s built-in speech voices.
Encode & Decode
9 toolsBase64 Encode / Decode
Encode text to Base64 or decode Base64 back to text.
URL Encode / Decode
Percent-encode text for URLs or decode it back to plain text.
JSON Formatter
Format, validate, and minify JSON with clear error messages.
XML & YAML Formatter
Pretty-print XML and convert between YAML and JSON.
HTML Encode / Decode
Escape text to HTML entities or decode entities back to text.
JWT Decoder
Decode a JSON Web Token’s header and payload without a key.
CSV ↔ JSON
Convert CSV to a JSON array and JSON back to CSV.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes of text.
UUID Generator
Generate random RFC 4122 v4 UUIDs, one or many at a time.
Generators
6 toolsQR Code Generator
Create a QR code from any text or URL and download it as PNG or SVG.
Password Generator
Generate strong, random passwords with adjustable length and character sets.
QR & Barcode Scanner
Scan a QR code or barcode from an image or your camera.
Color Palette Generator
Build harmonious color palettes and CSS gradients from a base color.
Random Number & Picker
Roll dice, flip coins, pick from a list, or generate random numbers.
Placeholder Image Generator
Generate solid placeholder images with custom size, colors, and label.
Color & Design
3 toolsHEX ↔ RGB ↔ HSL
Convert colors between HEX, RGB, and HSL notations.
Contrast Checker
Check color contrast ratios against WCAG AA and AAA accessibility levels.
Shadow & Gradient CSS
Generate box-shadow and CSS gradient code with a live preview.
Audio & Video
4 toolsAudio & Video Converter
Convert video and audio between MP4, WebM, MP3, WAV, and more in your browser.
Trim Audio & Video
Cut a clip out of a video or audio file without uploading it anywhere.
Extract Audio from Video
Pull the soundtrack out of a video as MP3, M4A, WAV, or FLAC.
Video to GIF
Turn a section of a video into an animated GIF, entirely in your browser.
Developer Tools
9 toolsCode Formatter
Beautify JavaScript, HTML, CSS, JSON, and SQL with adjustable indentation.
Code Minifier
Minify JavaScript, CSS, and HTML to reduce file size.
Regex Tester
Test a regular expression against sample text with live match highlighting, a match/group breakdown, and a plain-English explanation.
Cron Expression Tool
Build or paste a cron expression, see a plain-English explanation, and preview upcoming run times.
Side-by-Side Diff
Compare two blocks of code side by side with word-level highlights on changed lines.
JSON to TypeScript
Generate TypeScript interfaces from a sample JSON object or array.
HTTP Status Code Reference
Look up HTTP status codes by number, name, or keyword, grouped by class.
Server Config Generator
Generate an .htaccess or nginx config snippet from common web-server behaviors — HTTPS redirects, caching, CORS, SPA routing, and more.
Escape / Unescape
Escape or unescape text for JSON string literals, HTML entities, and SQL string literals.
Network & Performance
10 toolsInternet Speed Test
Measure your connection’s ping, download, and upload speed.
Ping / Latency Check
Check round-trip latency to a hostname or URL.
My IP Address / Geolocation
See your public IP address and approximate geolocation.
DNS Lookup
Look up A, AAAA, CNAME, MX, TXT, NS, SOA, and CAA records for a hostname.
Whois Lookup
Look up domain registration details: registrar, status, nameservers, and dates.
Port Checker
Check whether a common port is open on a host.
HTTP Header Inspector
Inspect response headers, status code, and redirects for any URL.
Website Uptime Checker
Check whether a website is currently reachable, its status code, and response time.
User-Agent Parser
Parse a User-Agent string into browser, OS, device, and engine details.
Download Time Calculator
Estimate download time from a file size and connection speed.
Date & Time
6 toolsUnix Timestamp Converter
Convert Unix timestamps to human-readable dates and back, in local time or UTC.
Date Difference Calculator
Calculate the duration between two dates or moments in time, broken down by years, months, days, and more.
Age Calculator
Calculate exact age in years, months, and days from a birth date, plus days lived and a countdown to the next birthday.
Countdown Timer & Stopwatch
Run a countdown timer to a set duration with an alert at zero, or a stopwatch with lap splits.
Business Days Calculator
Count business days between two dates, or add/subtract business days from a date — with configurable weekends and custom holidays.
Week Number & Calendar Helper
Find the ISO 8601 and US week number for any date, plus its quarter, day of year, and a highlighted calendar view.
Math & Finance
9 toolsScientific Calculator
A full scientific calculator with trig, logs, memory, and expression history.
Percentage Calculator
Calculate X% of Y, what percent X is of Y, percentage change, and increase/decrease by percent.
Loan / Mortgage Calculator
Calculate monthly payment, total interest, and a full amortization schedule for a fixed-rate loan or mortgage.
Compound Interest Calculator
Project how a deposit grows with compound interest and optional monthly contributions — final balance, total interest, and a year-by-year breakdown.
Tip / Bill Split Calculator
Split a bill with tip across any number of people — tip amount, total, and per-person share.
Discount / Tax Calculator
Apply stacked discounts to a price, and add or remove sales tax from an amount.
BMI & Calorie Calculator
Calculate BMI and category, plus daily calorie needs (BMR/TDEE) with Mifflin-St Jeor and activity-level targets for maintaining, losing, or gaining weight.
Equation Solver / Graph Plotter
Plot up to 3 functions of x, find roots numerically, and evaluate any function at a point — with pan/zoom on the graph.
Statistics Calculator
Paste a list of numbers to get count, sum, mean, median, mode, range, variance, standard deviation, and quartiles instantly.