Every tool you need,
in one place.

PDF all-in-one

All PDF operations in one tabbed page

Edit PDF

Visual WYSIWYG editor: text, shapes, freehand, images

Merge PDF

Combine multiple PDFs into one

Split PDF

Extract page ranges from a PDF

Rotate PDF

Rotate PDF pages 90°, 180°, 270°

Compress PDF

Shrink PDF file size (server, Ghostscript)

Reorder PDF Pages

Drag-reorder pages in a PDF

Unlock PDF

Remove a known PDF password (server, qpdf)

Protect PDF

Add a password to a PDF (server, qpdf)

Watermark PDF

Add text watermark to PDF pages

PDF Page Numbers

Add page numbers to a PDF

Crop PDF

Crop margins from PDF pages

PDF Metadata

Edit title, author, keywords on a PDF

Redact PDF

Black out sensitive content in a PDF

Flatten PDF

Bake form fields and annotations into the page

Fill PDF Form

Type into PDF form fields and download

Sign PDF

Draw, type or upload a signature on a PDF

PDF to JPG

Export each PDF page as a JPG image

JPG to PDF

Combine images into a single PDF

Word to PDF

Convert .docx to PDF

PDF to PowerPoint

PDF pages → editable .pptx slides

All-in-one

Every calculator in tabbed view

Basic Calculator

Free online basic arithmetic calculator

Percentage Calculator

% of a value, what % is X of Y, % change

BMI Calculator

Body Mass Index — metric & imperial

Age Calculator

Exact age + countdown to next birthday

Tip Calculator

Bill split + tip per person

Days Between Dates

Exact days, weeks, months between two dates

Loan Calculator

Monthly payment, total interest, schedule

Discount Calculator

Sale price, % off, savings

Compound Interest

Future value with compounding

GPA Calculator

Weighted GPA from your courses

Salary to Hourly

Convert salary to hourly rate

Developer Calculator

Hex, dec, oct, bin + bitwise ops

Mortgage Calculator

Monthly payment + amortization with PMI / tax / insurance

Refinance Calculator

Should you refinance? Break-even analysis

Auto Loan Calculator

Car payment with sales tax + trade-in

Lease vs Buy

Compare leasing a car to buying it

Investment Calculator

Compound investment with monthly contributions

401(k) / Retirement

Project retirement balance with employer match

ROI Calculator

Return on investment + annualized

Inflation Calculator

How buying power changes over time

Net Worth Tracker

Assets − liabilities, save snapshots

Paycheck Calculator

Take-home pay estimator

Monthly Budget Planner

Plan income, bills & spending — share with family

Zakat Calculator

Annual Zakat on cash, gold, silver & savings (2.5%)

Grade Needed

What's the score I need on the final?

Web Ad Revenue

Estimate display-ad revenue from CPM & traffic

Sleep Calculator

Bedtime / wake-up times around 90-minute cycles

Sales Tax Calculator

Add or extract sales tax (US states + custom)

Significant Figures

Round a number to N significant digits

Scientific Notation

Convert between standard and scientific (a × 10ⁿ)

Logarithm Calculator

log base b of x — any base

Slope Calculator

Slope, midpoint, distance from two points

Pythagorean Theorem

a² + b² = c² — solve any side

Quadratic Equation

Solve ax² + bx + c = 0

Standard Deviation

Mean, variance, std dev from a list

P-Value Calculator

P-value from a z-score (normal)

Confidence Interval

CI for a sample mean (z-based, 80–99%)

All-in-one

Every converter in tabbed view

Unit Converter

Length, weight, volume, area

Temperature

Celsius, Fahrenheit, Kelvin

Currency

Convert between currencies

All-in-one

Every spreadsheet tool in tabbed view

Excel Tools

CSV ↔ XLSX, preview, clean spreadsheets

CSV Viewer

Open, search, sort, and filter any CSV

Compare Files

Diff two CSVs — what changed, added, removed

Dedupe

Remove duplicate rows from a CSV

Excel Viewer

Open .xlsx / .xls / .ods in your browser

Merge / Lookup

Join two files on a key (VLOOKUP-style)

Split CSV

Break a big CSV into smaller files

Clean Data

Trim, fix case, drop blanks, normalize

All-in-one

Every developer tool in tabbed view

JSON Tools

Format, validate, minify JSON

XML Tools

Format, validate XML

Database Tools

SQL formatter, CSV ↔ JSON

System Tools

Browser, screen, IP, network

Number Base Converter

Binary ↔ Octal ↔ Decimal ↔ Hex ↔ any base 2–36

All-in-one

Every AI & text tool in tabbed view

AI Tools

Summarize, rewrite, fix, explain

AI Marketing Strategy Generator

Generate a go-to-market marketing plan

AI Instagram Caption Generator

Captions + hashtags that convert

AI Landing Page Copy Generator

Landing-page copy that converts

Translation

Translate between 24 languages

Text Tools

Case, count, slugify, escape

Reverse Text

Mirror, flip, or upside-down text

Invisible Char Detector

Find zero-width and hidden Unicode characters

Speed Reader

RSVP-style speed reading trainer

Number to Words

Spell numbers as English words (cheque-style)

All-in-one

Every media tool in tabbed view

Image Tools

Resize, compress, convert, rotate

Video Tools

Trim, convert, compress in your browser

Audio Tools

Voice recorder + file inspector

HEIC to JPG

Convert iPhone HEIC photos to JPG

Image Format Convert

PNG ⇄ JPG ⇄ WebP ⇄ AVIF ⇄ ICO

Meme Generator

Drop image, add top/bottom text, download

Screenshot Mockup

Browser / phone frames around your screenshot

EXIF Viewer

See camera, location, lens metadata

EXIF Stripper

Remove location and metadata from photos

Favicon Generator

Generate favicon.ico + manifest

OG Image Generator

Open-graph 1200×630 social cards

Meta Tag Preview

See Google / Twitter / Facebook previews

DPI Adjuster

Set JPG/PNG DPI for print without resampling

Image Quality Editor

Re-encode JPG/WebP at chosen quality %

All-in-one

Every visual tool in tabbed view

Diagramming

Flowchart, sequence, ER, journey, gantt — with AI text-to-diagram

Charting

Line, bar, pie, doughnut, radar

QR Codes

Generate QR codes

Color Tools

Picker + HEX/RGB/HSL

CSS Visualizer

box-shadow / gradient / cubic-bezier / clip-path

All-in-one

Every time & schedule tool in tabbed view

World Clock

Local time across timezones

Digital Clock

Big fullscreen current time + date

Alarm Clock

Online alarm that rings at a set time

Time Zone

IANA time zone from any coordinates

Timer

Countdown + stopwatch

Countdown

Big live countdown to any date

Pomodoro Timer

25 / 5 minute focus + break cycles

Stopwatch

Online stopwatch with laps

Chess Clock

Two-player chess clock + increment

Tally Counter

Big-button click counter

Tap BPM

Tap to find a song's BPM

Metronome

Online metronome 30–300 BPM

All-in-one

Every productivity tool in tabbed view

Todos

Task lists in your browser

Lists

Multi-list manager, exportable

Sticky Notes

Drag-and-drop colored sticky notes

Quick Notes

Markdown scratchpad with live preview

URL Tools

Encode, decode, parse URLs

Password Generator

Strong, customizable

Base64 Encoder

Encode / decode text or files

Hash Generator

MD5, SHA-1, SHA-256, SHA-384, SHA-512

HMAC Generator

HMAC-SHA-1/256/384/512 with secret key

JWT Decoder

Inspect and verify JSON Web Tokens

Regex Tester

Test patterns + cheatsheet

Cron Expression

Build + explain cron schedules

UUID Generator

UUID v4, ULID, NanoID — bulk

Lorem Ipsum

Filler text — words / sentences / paragraphs

Markdown Preview

Live markdown ⇄ HTML preview

Data Converter

YAML ⇄ JSON ⇄ TOML

Web Minifier

Minify / beautify HTML, CSS, JS

Invoice Generator

Build a clean invoice + download PDF

All-in-one

Every location tool in tabbed view

Geocoder

Find latitude / longitude from any address

Reverse Geocoder

Get a street address from coordinates

My Location

Show your current latitude and longitude

Distance

Distance between two addresses or coordinates

Coord Converter

DMS ↔ decimal degrees ↔ MGRS

Map Links

Google, Apple, OSM, Waze, Bing deep-links

Elevation

Altitude above sea level for any point

IP Location

Approximate location for any public IP

Notary Locator

Find a notary nearby

Route Optimizer

Multi-stop route — best order, exportable

All-in-one

Every plan & share tool in tabbed view

Event RSVP

Create an event, share a link, collect RSVPs

Potluck

Bring-list with quantities and check-off

Group Order

Team lunch order — one link, fair bill split with tax + delivery + tip

Poll

Single / multi-choice questions, deadlines

Reservation

Book seats / time slots from a shareable link

Reminders

Important dates — calendar + list view

Borrow & Lend

Track items + money you lent or borrowed, with reminders

Queue

Waiting list with QR — scan to join

Discussion

Share a topic, collect comments, set limits

Shopping List

Shareable household list with check-off

Gift Registry

Wedding / baby / birthday wish list with claim

Recipe → List

Recipe ingredients → grocery list

Meal Planner

Weekly meals → auto grocery list

Class Timetable

Build + share a recurring class timetable

Quiz / Test

Build a quiz, share a link, collect answers

All-in-one

Every card tool in tabbed view

Business Card

Virtual vCard with QR — share, scan, save

Invitation Card

Wedding, party, birthday — beautiful invitations

Occasion Card

Get-well, thank-you, congrats — heartfelt cards

Save the Date

Pre-invite teaser — share the date, share the joy

Holiday Greeting

Christmas, Eid, Diwali, Lunar New Year and more

Recipe Card

Beautiful, printable recipes — ingredients & steps

Loyalty Card

Punch card with QR — scan, stamp, redeem

All-in-one

Every health & fitness tool in tabbed view

TDEE Calculator

Total daily energy expenditure

BMR Calculator

Basal metabolic rate

Macro Calculator

Protein / carbs / fat targets

Body Fat %

US Navy method

One-Rep Max

Predict 1RM from a working set

Plate Calculator

Which plates for X kg/lb

Pace Calculator

Run pace, time, distance

Heart Rate Zones

Compute your 5 training zones

Pregnancy Calculator

Trimesters, weeks, milestones

Due Date Calculator

Estimated due date from LMP or conception

Water Intake

Daily hydration target

Protein Intake

Daily protein target

Medication Tracker

Daily pill checklist, color-coded by med

All-in-one

Every lifestyle tool in tabbed view

Calorie Counter

Food search, daily log, macros

Halal Foods

Search additives, gelatin, E-numbers

Kosher Foods

Search additives, fish, dairy/meat, E-numbers

All-in-one

Every school tool in tabbed view

Citation Generator

APA, MLA, Chicago, IEEE, Harvard, BibTeX

AI Quiz from Notes

Paste notes → get 8 quiz questions

AI Flashcards

Paste notes → 12 flashcards

Essay Outline

AI-generated essay structure

Reading Level

Flesch-Kincaid, grade level, SMOG

Random Picker

Pick a name, group, or order

Picker Wheel

Animated spinning wheel of names

Yes / No Wheel

Spin to decide yes or no

Coin Flip

Animated heads or tails

Dice Roller

Roll D4, D6, D8, D10, D12, D20

Typing Speed Test

WPM, accuracy, live keyboard

Worksheet Generator

Math / blank line worksheets, printable

Spelling Test

Printable + audio spelling test

Times Table

Multiplication tables 1–20

Rubric Maker

Build a grading rubric, print, share

Lesson Plan Generator

AI 45-minute lesson plan

All-in-one

Every government tool in tabbed view

Passport / Visa Photo

Crop & validate per country specs

Visa Checklist

Document checklist by country

Voter Deadlines

Registration deadlines by US state

DMV Fees

Standard DMV fees by US state

ID Validator

Format-check SSN, passport, ID

All-in-one

Every delivery & gig tool in tabbed view

Mileage Tracker

IRS mileage rate × your miles

Gig Earnings

Per-hour effective rate after expenses

MPG / Fuel Cost

Cost per mile, fuel efficiency

Per-Package vs Hourly

Break-even on stop count

Vehicle Tracker

Maintenance log + depreciation

Tip Estimator

Expected tip by order size

Daily Earnings Log

Log shifts, see weekly summaries

All-in-one

Every science & education tool in tabbed view

Ohm's Law

V = I × R — solve any one

Kinetic Energy

KE = ½ m v²

Projectile Motion

Range, peak height, flight time

Free Fall

Velocity, distance, time of fall

Wavelength ↔ Frequency

c = λ × f

Density

ρ = m / V

Molar Mass

Compute moles from mass and Mr

Molarity

Concentration of a solution

Dilution

C₁V₁ = C₂V₂

pH Calculator

pH from [H⁺] (and reverse)

Ideal Gas Law

PV = nRT

Half-Life

Radioactive decay over time

VO₂ Max

Cooper test 12-min run

Z-Score

(x − μ) / σ — standardize a value

Sample Size

How many subjects you need

Golf Handicap

World Handicap System (WHS) index

Test Grade

% from correct/total

All-in-one

Every construction tool in tabbed view

Square Footage

Area for rectangles, circles, triangles

Concrete Volume

Cubic yards/meters for slab/footing

Paint Coverage

Gallons needed for room walls

Tile Count

How many tiles for a floor/wall

Roofing / Pitch

Pitch ratio + slope length

Gravel / Mulch

Cubic yards for landscape fill

Wallpaper Coverage

Rolls of wallpaper for a room

BTU Sizing

AC / heater capacity for a room

Drywall Sheets

4×8 sheets for walls and ceiling

Stair Stringer

Riser, tread, and stringer length

All-in-one

Every kitchen tool in tabbed view

Recipe Scaler

Scale a recipe up/down by servings

Oven Temperature

°F ↔ °C ↔ Gas Mark

Cooking Converter

Cups ↔ tbsp ↔ tsp ↔ ml ↔ oz

Pan Size Converter

Swap a recipe pan for one you have

Ingredient Density

Cups → grams by ingredient

Roast Time

How long to roast a joint — weight × cook rate, with rest time

Subscription Tracker

Stop paying for things you forgot — auto cancel reminders

Habit Tracker

Daily streaks for the habits that matter

Contrast Checker

WCAG AA & AAA color-contrast verifier

BSA Calculator

Body surface area — Mosteller, DuBois, Haycock formulas

UTM Builder

Tag every link for Google Analytics, GA4, and any analytics tool

Decision Matrix

Weighted scorecard (Pugh matrix) to break any tie