Day Apps

Recently used

Popular tools

• Calendar 2026

• Timer

• Stopwatch

• Audio Test

• MP4 to MP3 Converter

• Spin Wheel

• PDF Splitter

• Word Counter

Calendar & Time (16)

• Calendar 2026

  Full 2026 calendar with holidays, all 12 months and a printable version

  2026 2027

• Holidays 2026

  All US federal holidays in 2026, with dates and long weekends

  2026 2027

• Countdown

  Days until Christmas, New Year, Easter and more

• Timer

  Set countdown timers for tasks and activities

• Stopwatch

  Measure time with precision and track laps

• Pomodoro Timer

  Boost productivity with focused work sessions and breaks

• Hours Counter

  Track your work hours with entry and exit times for accurate time management

• Date Calculator

  Count the days between two dates or add days, weeks and months to a date

• Working Days Calculator

  Business days between two dates, excluding weekends and public holidays

• Week Number

  What week of the year it is today, plus every week with its dates

• Age Calculator

  Exact age in years, months and days, with a countdown to the next birthday

• Online Alarm Clock

  Alarms with a label, sound and snooze, right in your browser

• Online Clock

  Exact time with seconds, fullscreen and world clock

• Time Zone Converter

  Compare cities and plan meetings across time zones

• Moon Phase Calendar

  Today's moon phase, full moon and new moon dates

• Interval Timer

  Tabata, HIIT, EMOM and boxing rounds with beeps

Finance (3)

• Net Salary Calculator (Brazil)

  From gross to net salary (CLT): INSS, income tax and dependents

• Interest Calculator

  Compound or simple interest with monthly contributions and a chart

• Loan Calculator

  Payment, total interest and Price or SAC amortization table

Calculators (3)

• Percentage Calculator

  X% of a number, percent change, add or subtract a percentage

• Discount Calculator

  Final price, savings and stacked discounts

• Average Calculator

  Mean of a list, weighted average of grades and the grade you need

Health (1)

• BMI Calculator

  Body mass index with metric or imperial units and healthy weight range

Brazilian Documents (2)

• CPF Generator

  Generate valid Brazilian CPF numbers for testing and validate any CPF

• CNPJ Generator

  Generate valid Brazilian CNPJ numbers, including alphanumeric, and validate any CNPJ

Audio & Video (10)

• Audio Test

  Test which side of your headphones is working correctly

• MP4 to MP3 Converter

  Convert MP4 videos to MP3 audio files instantly

• Audio Compressor

  Compress audio files online for free

• Video Cutter

  Cut and trim videos with precision timestamps

• Video Compressor

  Compress video files online for free

• Remove Audio from Video

  Strip audio tracks from videos to create silent versions

• Video to GIF

  Turn a video clip into an animated GIF

• Text to Speech

  Read any text aloud with your browser's voices

• Audio Cutter

  Trim MP3 and make ringtones with fades

• Video Converter

  MOV, AVI, MKV, WebM to MP4 in your browser

Device Tests (10)

• Mic Test

  Check your microphone with a live level meter and 5 s recording

• Keyboard Test

  Test every key and check ghosting and key rollover

• Webcam Test

  Check your camera, resolution and FPS, and take a snapshot

• Dead Pixel Test

  Fullscreen colors to spot dead and stuck pixels

• Tone Generator

  20 Hz–20 kHz tones, left/right channel and sweeps

• Metronome

  Steady beat 20–300 BPM with tap tempo

• Voice Recorder

  Record, trim and download audio. Nothing is uploaded

• Decibel Meter

  Measure noise in dB with your microphone, live gauge and 60 s chart

• Online Tuner

  Guitar, ukulele, bass and violin tuner with your mic

• Mouse Test

  Test every button, the wheel and double-click problems

Games & Random (14)

• Spin Wheel

  Spin the wheel with customizable segments for random decisions

• Click Counter

  Measure your clicking speed and track your progress

• CPS Test

  Find out your clicks per second in 1, 5, 10, 30 or 60 s

• Random Number Generator

  Pick random numbers in any range, with no repeats

• Random Name Picker

  Paste a list and draw one or several names

• Secret Santa Generator

  Draw names and send everyone a private link

• Team Generator

  Split people into random, balanced teams or groups

• Yes or No Wheel

  A decision wheel that answers your question instantly

• Dice Roller

  Roll virtual dice for games and RPG

• Coin Flip

  Flip a virtual coin and get random heads or tails results

• Spacebar Counter

  Hit the space bar as fast as you can and beat your record

• Reaction Time Test

  Measure your reaction time in milliseconds

• Typing Test

  Words per minute and accuracy in 1, 3 or 5 minutes

• Bingo Caller & Cards

  75/90-ball caller with voice and printable cards

PDF Tools (6)

• PDF Splitter

  Split PDF pages into individual files

• PDF Merger

  Combine multiple PDFs into a single document

• JPG to PDF

  Convert multiple JPG/JPEG images into a single PDF

• PDF to JPG

  Convert PDF pages to JPG or PNG images

• Organize PDF

  Rotate, reorder and delete PDF pages

• Compress PDF

  Shrink scanned or image-heavy PDFs (best effort)

Image (10)

• Color Picker

  Choose, convert and explore colors with precision

• Image Cropper

  Crop and edit your images with precision and ease

• Image Compressor

  Compress images to reduce file size while maintaining quality

• PNG to JPEG Converter

  Convert PNG images to JPEG with quality control

• Metadata Remover

  Remove metadata from images to protect your privacy

• Image Resizer

  Resize photos by pixels, percentage or social media size

• WebP Converter

  Convert JPG and PNG to WebP and back, in batch

• Image to Text (OCR)

  Extract text from images and screenshots

• HEIC to JPG

  Convert iPhone photos to JPG or PNG, in batch

• Color Palette Generator

  Harmonious palettes, from images, with contrast check

Converters (7)

• Unit Converter

  Length, weight, area, volume, speed, data size and temperature

• Rule of Three Calculator

  Calculate proportions using direct and inverse rule of three

• Celsius to Fahrenheit Converter

  Convert temperatures between Celsius and Fahrenheit instantly

• Pounds to Kilograms Converter

  Convert weight from pounds to kilograms instantly

• Inches to Centimeters Converter

  Convert length from inches to centimeters instantly

• Liter to Ounces Converter

  Convert volume from liters to fluid ounces instantly

• Roman Numeral Converter

  Convert numbers to Roman numerals and back, 1 to 3999

Generators (1)

• QR Code Generator

  Create QR codes for links, Wi-Fi, WhatsApp and contacts

Text & Encoding Tools (15)

• ASCII Table

  Complete ASCII character reference table with all codes

• Word Counter

  Count words, characters and analyze your text instantly

• Case Converter

  Change text to uppercase, lowercase, title case, camelCase, snake_case and more

• Number to Words

  Write numbers and money amounts in words

• Base64 Encoder

  Encode text or files to Base64 format

• Base64 Decoder

  Decode Base64 strings back to original format

• Binary to Hex Converter

  Convert binary numbers to hexadecimal format instantly

• URL Encoder / Decoder

  Encode or decode URLs and inspect query strings

• Hash Generator

  MD5, SHA-1, SHA-256 and SHA-512 of any text or file

• UUID Generator

  Generate random v4 and v7 UUIDs, one or in bulk

• Password Generator

  Create strong random passwords and passphrases

• Lorem Ipsum Generator

  Placeholder text as paragraphs, sentences or words

• Text Diff Checker

  Compare two texts side by side and see every change

• Remove Duplicate Lines

  Remove duplicates, sort, trim, reverse and number lines

• Fancy Text Generator

  Turn your text into 38 cool Unicode styles to copy and paste

Code (6)

• JSON Formatter

  Format, minify and validate JSON with error location and tree view

• SQL Formatter

  Beautify and minify SQL queries for MySQL, PostgreSQL and more

• Regex Tester

  Test regular expressions with live highlighting, groups and replace

• Markdown Editor

  Write Markdown with live preview, copy HTML and download .md or .html

• JWT Decoder

  Decode and inspect JSON Web Tokens: header, payload, expiration

• HTTP Status Codes

  Searchable list of all HTTP codes, from 1xx to 5xx, with when to use each