Free tools that run in your browser.

Test a device, print a template, check an image, spin a wheel. Fast, precise tools with no sign-up, no uploads and no watermarks.

Controller Tester

Buttons, triggers, stick drift and rumble on any PlayStation, Xbox, Switch or PC controller.

AI Image Detector

Real evidence, not made-up percentages.

Pay Period Calendar

Enter one payday and see your whole year: every paycheck, the months with an extra one, and paydays moved for weekends and holidays.

Wheel Spinner

Fair, truly random picks.

Refresh Rate Test

Real Hz, frame timing, dropped frames

Extract Audio from Video

MP3, M4A, WAV or Opus from a video

Keyboard Tester

Type on your keyboard and watch the picture: working keys turn green, a key that stays white didn't register, and keys that type twice get flagged.

EXIF Viewer & Remover

See and strip hidden photo data

Turkey Calculator

Turkey size, thawing and cooking times

Printable Calendar

Design a month, print a PDF.

Microphone Test

Hear how you sound and get a plain-English diagnosis.

Hearing Test

Your upper frequency limit, ear by ear

Super Bowl Squares

10×10 board with a fair number draw

Height Comparison

Line up to 12 people or characters to scale and see exactly how much taller one is than another, in centimetres and inches.

Webcam Test

See your camera's real resolution and frame rate, get a lighting and focus score with concrete fixes, and check it's ready for calls and online exams.

Bingo Card Generator

Up to 200 unique cards, print-ready

Secret Santa Generator

Draw names with rules like “couples can't draw each other”, then send everyone a private link that reveals only their own match.

Dead Pixel Test

Find dead, stuck and hot pixels

BPM Finder

Exact tempo from a song or your taps.

Content Credentials Checker

Who made it, with which app (C2PA)

Graph Paper

Square, engineering, dot, isometric, hexagon and polar grid paper in any size, as an exact-size PDF ready to print.

Audio to MIDI

Turn a recording of an instrument or your voice into a MIDI file, with a piano-roll preview. The AI runs on your device, so nothing is uploaded.

Tone Generator

Type a frequency from 1 Hz to 22 kHz or a note like A4 and press Play to hear a sine, square, triangle, saw or pulse tone, then save it as a WAV file.

Lined Paper

College, wide and primary ruled

Video Compressor

Shrink to an exact size.

Mouse Tester

Buttons, scroll, double clicks, polling

Speaker & Headphone Test

Left and right, bass depth, phase

Black Screen

A full-screen solid color in one click

Name Tracing Worksheet

Dotted-letter tracing worksheets

Reaction Time Test

Click on green or race F1 lights

10-Key Test

Ten-key KPH and accuracy

2048

Slide and merge number tiles

3D QR Code Generator

3D QR illusions to share or print

5e Character Sheet

Fillable 5e sheet, prints to PDF

ACA Subsidy Calculator

2027 ACA premium tax credit

Address Label Maker

Mailing and return address labels

Advent Calendar Maker

Printable advent calendar and cards

Aim Trainer

Six aim drills with shot stats

AP Score Calculator

Estimate a 1–5 AP score

Barcode Generator

EAN, UPC and Code 128 barcodes

Block Circle & Sphere Generator

Block circles, spheres and domes

Bracket Maker

Seeded brackets, picks, print-ready PDF

Breathing Exercise

Guided box, 4-7-8 and calm breathing

Car Loan Interest Deduction Calculator

Car loan interest deduction

Christmas Stencil Maker

Christmas stencils and ornament sheets

Compress PDF

Make a PDF file smaller

Concrete Calculator

Cubic yards and bags of mix

Copy and Paste Symbols

Hearts, arrows, ticks, math, currency

Countdown to a Date

Days until any date, live

Cross Stitch Pattern Maker

Photo to cross stitch chart

Crossword Puzzle Maker

Printable crosswords from your clues

Decibel Meter

Sound level in dB, noise log

Dice Delve

Dice-rolling party roguelike

Dice Roller

3D dice with sound, d4 to d100

Dog Age Calculator

Dog years to human years

Drum Machine

16-step beats, 808 and 909 kits

Eclipse Simulator

Local times and sky for Aug 2027

Ecosystem Simulator

Meadow sandbox, 6 scenarios

Endless Highway

Endless traffic-dodging car game

Extract Frames from Video

Save video stills as PNG or JPG

Family Tree Chart

Build and print family trees

Federal COLA Calculator

2027 COLA for FERS, CSRS, military, VA

Fight Stick Tester

Buttons, motions, SOCD, chatter

Flooring Calculator

Boxes, tiles, grout or carpet

Form 8962 Calculator

Reconcile the 2026 ACA credit

Furniture Fit Calculator

Will the sofa fit through?

Golf

2D golf, daily course, 20 skills

GPU Tester

Graphics card, WebGL, WebGPU, benchmark

Guitar Tuner

Tune by mic, any tuning

HEIC to JPG Converter

iPhone HEIC photos to JPG

HELOC Calculator

HELOC limit, payments and payment shock

Image Compressor

Shrink photos to a size like 100 KB

Imposter Game

Find the imposter, one phone

Initiative Tracker

Turn order, HP and conditions

Interest Calculator

Simple vs compound interest, solved any way

Joystick Tester

Axes, hat switch, buttons, drift

Kaomoji

Tap-to-copy faces by mood

Lemonade Stand

Business sim, 30 summer days

Map Distance & Area Measurer

Measure distance and area on a map

Math Worksheet Generator

Printable math practice sheets

Meadow Clicker

Idle bee and flower game

Medicare IRMAA Calculator

Medicare IRMAA tier and surcharge

Meditation Timer

Bells, intervals, sounds, guidance

Merge PDF

Combine PDFs and reorder pages

Metronome

Steady beat, any time signature

MIDI Tester

Notes, velocity, dead keys, knobs

Minesweeper

Classic mines, no-guess mode

Monitor Test

Screen test patterns and a checklist

Moon Phase Calendar

Printable Moon phases by day

No Tax on Overtime Calculator

Overtime deduction and tax saved

No Tax on Tips Calculator

Tips deduction and tax saved

Odds Calculator

Odds conversion, payouts, parlays, vig

Online Timer

Countdown with alarm, pie and full screen

Open Graph Checker

Preview and fix link share cards

Paint Calculator

Paint and cans for your rooms

Paper Snowflake Maker

Design and print paper snowflakes

PDF to JPG

Turn PDF pages into images

Pen Pressure Test

Stylus pressure, tilt and jitter

Pixel Art Grid Maker

Picture to pixel art grid

PNG to SVG Converter

Trace PNG or JPG into SVG

Potluck Sign-Up Sheet

Printable dish sign-up sheets

Printer Test Page

Color, nozzle and alignment tests

Pumpkin Stencil Maker

Photo, text or design to carving stencil

Puppy Weight Calculator

Estimate a puppy's adult weight

QR Code Generator

Styled QR codes with logos

QR Code Scanner

Scan and decode any QR code

Quiz Board Maker

Jeopardy-style board with buzzers

Radius Map

Draw radius circles on a map

Ramadan Timetable

Sehri and iftar times, printable

Resistor Color Code Calculator

Bands, values and SMD codes

Room Planner

Furnish a room in 3D

Round Robin Generator

Everyone-plays-everyone schedules

SALT Deduction Calculator

$40,400 SALT cap, itemize or not

Screen Recorder

Record screen, mic and webcam

Seating Chart Maker

Table plans and place cards

Senior Deduction Calculator

$6,000 senior deduction

Sensitivity Converter

Convert game sens, eDPI, cm/360

Serial Monitor

Read, send and plot serial

Sign PDF

Add your signature to a PDF

Snow Day Calculator

Chance of a snow day tomorrow

Social Security COLA Calculator

2027 COLA net of Medicare Part B

Space Shooter

Arcade shooter with bosses

Spectrogram Viewer

See sound as frequency over time

Star Map Maker

Night sky posters for any date

Steering Wheel Tester

Rotation, pedals, spikes, shifter

Sudoku

Daily puzzle, hints, 4 levels

Survey Showdown

Family Feud-style survey game board

SynthID Checker

Google AI markers, SynthID steps

Teleprompter

Scrolling script, mirror, record

Text Art

ASCII pictures and big letters

Time Card Calculator

Hours, overtime and pay from punches

Top-Down Racer

Top-down racing, 6 tracks, ghosts

Touch Screen Test

Check multi-touch and dead zones

Typing Test

WPM, accuracy, weak-key practice

Virtual Piano

Play, record and save piano online

Voice Changer

Robot, chipmunk, deep and more voices

Voice Recorder

Record, trim, save MP3 or WAV

W-4 Withholding Calculator

Refund or owe, and your W-4

Wallpaper Calculator

Rolls of wallpaper and paste

White Noise Generator

Brown, pink noise and nature mixer

Word Search Maker

Printable word search puzzles

Controller Tester

Buttons, triggers, stick drift and rumble on any PlayStation, Xbox, Switch or PC controller.

AI Image Detector

Real evidence, not made-up percentages.

Pay Period Calendar

Enter one payday and see your whole year: every paycheck, the months with an extra one, and paydays moved for weekends and holidays.

Wheel Spinner

Fair, truly random picks.

Refresh Rate Test

Real Hz, frame timing, dropped frames

Extract Audio from Video

MP3, M4A, WAV or Opus from a video

Keyboard Tester

Type on your keyboard and watch the picture: working keys turn green, a key that stays white didn't register, and keys that type twice get flagged.

EXIF Viewer & Remover

See and strip hidden photo data

Turkey Calculator

Turkey size, thawing and cooking times

Printable Calendar

Design a month, print a PDF.

Microphone Test

Hear how you sound and get a plain-English diagnosis.

Hearing Test

Your upper frequency limit, ear by ear

Super Bowl Squares

10×10 board with a fair number draw

Height Comparison

Line up to 12 people or characters to scale and see exactly how much taller one is than another, in centimetres and inches.

Webcam Test

See your camera's real resolution and frame rate, get a lighting and focus score with concrete fixes, and check it's ready for calls and online exams.

Bingo Card Generator

Up to 200 unique cards, print-ready

Secret Santa Generator

Draw names with rules like “couples can't draw each other”, then send everyone a private link that reveals only their own match.

Dead Pixel Test

Find dead, stuck and hot pixels

BPM Finder

Exact tempo from a song or your taps.

Content Credentials Checker

Who made it, with which app (C2PA)

Graph Paper

Square, engineering, dot, isometric, hexagon and polar grid paper in any size, as an exact-size PDF ready to print.

Audio to MIDI

Turn a recording of an instrument or your voice into a MIDI file, with a piano-roll preview. The AI runs on your device, so nothing is uploaded.

Tone Generator

Type a frequency from 1 Hz to 22 kHz or a note like A4 and press Play to hear a sine, square, triangle, saw or pulse tone, then save it as a WAV file.

Lined Paper

College, wide and primary ruled

Video Compressor

Shrink to an exact size.

Mouse Tester

Buttons, scroll, double clicks, polling

Speaker & Headphone Test

Left and right, bass depth, phase

Black Screen

A full-screen solid color in one click

Name Tracing Worksheet

Dotted-letter tracing worksheets

Reaction Time Test

Click on green or race F1 lights

10-Key Test

Ten-key KPH and accuracy

2048

Slide and merge number tiles

3D QR Code Generator

3D QR illusions to share or print

5e Character Sheet

Fillable 5e sheet, prints to PDF

ACA Subsidy Calculator

2027 ACA premium tax credit

Address Label Maker

Mailing and return address labels

Advent Calendar Maker

Printable advent calendar and cards

Aim Trainer

Six aim drills with shot stats

AP Score Calculator

Estimate a 1–5 AP score

Barcode Generator

EAN, UPC and Code 128 barcodes

Block Circle & Sphere Generator

Block circles, spheres and domes

Bracket Maker

Seeded brackets, picks, print-ready PDF

Breathing Exercise

Guided box, 4-7-8 and calm breathing

Car Loan Interest Deduction Calculator

Car loan interest deduction

Christmas Stencil Maker

Christmas stencils and ornament sheets

Compress PDF

Make a PDF file smaller

Concrete Calculator

Cubic yards and bags of mix

Copy and Paste Symbols

Hearts, arrows, ticks, math, currency

Countdown to a Date

Days until any date, live

Cross Stitch Pattern Maker

Photo to cross stitch chart

Crossword Puzzle Maker

Printable crosswords from your clues

Decibel Meter

Sound level in dB, noise log

Dice Delve

Dice-rolling party roguelike

Dice Roller

3D dice with sound, d4 to d100

Dog Age Calculator

Dog years to human years

Drum Machine

16-step beats, 808 and 909 kits

Eclipse Simulator

Local times and sky for Aug 2027

Ecosystem Simulator

Meadow sandbox, 6 scenarios

Endless Highway

Endless traffic-dodging car game

Extract Frames from Video

Save video stills as PNG or JPG

Family Tree Chart

Build and print family trees

Federal COLA Calculator

2027 COLA for FERS, CSRS, military, VA

Fight Stick Tester

Buttons, motions, SOCD, chatter

Flooring Calculator

Boxes, tiles, grout or carpet

Form 8962 Calculator

Reconcile the 2026 ACA credit

Furniture Fit Calculator

Will the sofa fit through?

Golf

2D golf, daily course, 20 skills

GPU Tester

Graphics card, WebGL, WebGPU, benchmark

Guitar Tuner

Tune by mic, any tuning

HEIC to JPG Converter

iPhone HEIC photos to JPG

HELOC Calculator

HELOC limit, payments and payment shock

Image Compressor

Shrink photos to a size like 100 KB

Imposter Game

Find the imposter, one phone

Initiative Tracker

Turn order, HP and conditions

Interest Calculator

Simple vs compound interest, solved any way

Joystick Tester

Axes, hat switch, buttons, drift

Kaomoji

Tap-to-copy faces by mood

Lemonade Stand

Business sim, 30 summer days

Map Distance & Area Measurer

Measure distance and area on a map

Math Worksheet Generator

Printable math practice sheets

Meadow Clicker

Idle bee and flower game

Medicare IRMAA Calculator

Medicare IRMAA tier and surcharge

Meditation Timer

Bells, intervals, sounds, guidance

Merge PDF

Combine PDFs and reorder pages

Metronome

Steady beat, any time signature

MIDI Tester

Notes, velocity, dead keys, knobs

Minesweeper

Classic mines, no-guess mode

Monitor Test

Screen test patterns and a checklist

Moon Phase Calendar

Printable Moon phases by day

No Tax on Overtime Calculator

Overtime deduction and tax saved

No Tax on Tips Calculator

Tips deduction and tax saved

Odds Calculator

Odds conversion, payouts, parlays, vig

Online Timer

Countdown with alarm, pie and full screen

Open Graph Checker

Preview and fix link share cards

Paint Calculator

Paint and cans for your rooms

Paper Snowflake Maker

Design and print paper snowflakes

PDF to JPG

Turn PDF pages into images

Pen Pressure Test

Stylus pressure, tilt and jitter

Pixel Art Grid Maker

Picture to pixel art grid

PNG to SVG Converter

Trace PNG or JPG into SVG

Potluck Sign-Up Sheet

Printable dish sign-up sheets

Printer Test Page

Color, nozzle and alignment tests

Pumpkin Stencil Maker

Photo, text or design to carving stencil

Puppy Weight Calculator

Estimate a puppy's adult weight

QR Code Generator

Styled QR codes with logos

QR Code Scanner

Scan and decode any QR code

Quiz Board Maker

Jeopardy-style board with buzzers

Radius Map

Draw radius circles on a map

Ramadan Timetable

Sehri and iftar times, printable

Resistor Color Code Calculator

Bands, values and SMD codes

Room Planner

Furnish a room in 3D

Round Robin Generator

Everyone-plays-everyone schedules

SALT Deduction Calculator

$40,400 SALT cap, itemize or not

Screen Recorder

Record screen, mic and webcam

Seating Chart Maker

Table plans and place cards

Senior Deduction Calculator

$6,000 senior deduction

Sensitivity Converter

Convert game sens, eDPI, cm/360

Serial Monitor

Read, send and plot serial

Sign PDF

Add your signature to a PDF

Snow Day Calculator

Chance of a snow day tomorrow

Social Security COLA Calculator

2027 COLA net of Medicare Part B

Space Shooter

Arcade shooter with bosses

Spectrogram Viewer

See sound as frequency over time

Star Map Maker

Night sky posters for any date

Steering Wheel Tester

Rotation, pedals, spikes, shifter

Sudoku

Daily puzzle, hints, 4 levels

Survey Showdown

Family Feud-style survey game board

SynthID Checker

Google AI markers, SynthID steps

Teleprompter

Scrolling script, mirror, record

Text Art

ASCII pictures and big letters

Time Card Calculator

Hours, overtime and pay from punches

Top-Down Racer

Top-down racing, 6 tracks, ghosts

Touch Screen Test

Check multi-touch and dead zones

Typing Test

WPM, accuracy, weak-key practice

Virtual Piano

Play, record and save piano online

Voice Changer

Robot, chipmunk, deep and more voices

Voice Recorder

Record, trim, save MP3 or WAV

W-4 Withholding Calculator

Refund or owe, and your W-4

Wallpaper Calculator

Rolls of wallpaper and paste

White Noise Generator

Brown, pink noise and nature mixer

Word Search Maker

Printable word search puzzles

All tools

141 in 13 hubs

Free tools that run in your browser.

Live previews

Controller Tester

AI Image Detector

Pay Period Calendar

Wheel Spinner

Refresh Rate Test

Extract Audio from Video

Keyboard Tester

EXIF Viewer & Remover

Turkey Calculator

Printable Calendar

Microphone Test

Hearing Test

Super Bowl Squares

Height Comparison

Webcam Test

Bingo Card Generator

Secret Santa Generator

Dead Pixel Test

BPM Finder

Content Credentials Checker

Graph Paper

Audio to MIDI

Tone Generator

Lined Paper

Video Compressor

Mouse Tester

Speaker & Headphone Test

Black Screen

Name Tracing Worksheet

Reaction Time Test

10-Key Test

2048

3D QR Code Generator

5e Character Sheet

ACA Subsidy Calculator

Address Label Maker

Advent Calendar Maker

Aim Trainer

AP Score Calculator

Barcode Generator

Block Circle & Sphere Generator

Bracket Maker

Breathing Exercise

Car Loan Interest Deduction Calculator

Christmas Stencil Maker

Compress PDF

Concrete Calculator

Copy and Paste Symbols

Countdown to a Date

Cross Stitch Pattern Maker

Crossword Puzzle Maker

Decibel Meter

Dice Delve

Dice Roller

Dog Age Calculator

Drum Machine

Eclipse Simulator

Ecosystem Simulator

Endless Highway

Extract Frames from Video

Family Tree Chart

Federal COLA Calculator

Fight Stick Tester

Flooring Calculator

Form 8962 Calculator

Furniture Fit Calculator

Golf

GPU Tester

Guitar Tuner

HEIC to JPG Converter

HELOC Calculator

Image Compressor

Imposter Game

Initiative Tracker

Interest Calculator

Joystick Tester

Kaomoji

Lemonade Stand