Microtools

Small, focused utilities for quick everyday tasks. Search a tool and open exactly what you need.

Utilities

35 tools

Merge, split, compress, rotate and convert PDF files directly in your browser.

Color Extraction

Privately extract colors from the uploaded image, including both hex codes and RGBA values

Background Remover

With removebg, deleting backgrounds and extracting the subject from an image is fast and effortless.

Generate disposable email addresses instantly.

Generate QR codes for any link effortlessly.

Paste/Share Text

Save and share text online easily.

Audio/Video Downloader

Download videos or extract audio from supported links with selectable quality.

Share anonymous messages with friends.

Resize, compress, crop and convert images privately.

Add password to your link privately. Simple and easy.

Image to Base64 Converter

Convert images to Base64 instantly.

Find your exact age in years, months and days, count down to your next birthday and measure the time between two dates.

Calculate adult body mass index in metric or imperial units and see your category, healthy weight range and BMI Prime.

Chat with a stranger anonymously and meet new people through simple one-to-one conversations.

Fancy Text Generator

Turn plain text into 38 copy-and-paste Unicode styles such as bold, script, bubble letters and small caps for bios and names.

JSON Formatter & Validator

Format, minify and validate JSON, sort keys and explore data in a tree view with the exact error line and column.

Loan Calculator

Work out your monthly payment, total interest and payoff date, and see the effect of extra payments with an amortization schedule.

Online Metronome

Keep time with an online metronome offering tap tempo, time signatures, subdivisions, accents and a speed trainer.

Mic & Webcam Test

Check your microphone with a live waveform and level meter and test your webcam resolution and frame rate without uploading anything.

Upload a photo or screenshot and extract the text with OCR, then copy the recognized result.

Password Generator

Create random passwords and memorable passphrases on your device and see entropy, strength and estimated crack time.

Percentage Calculator

Calculate percent of a number, percentage change, reverse percentages, differences and discounts with the formula shown.

Random Generator

Flip a 3D coin, roll up to six dice or generate random numbers, with no-repeat option and a history of recent results.

Reaction Time & CPS Test

Measure your reaction time in milliseconds and your clicks per second, with five-try averages, ranks and saved personal bests.

Sketch wireframes and mockups with 80 hand-drawn UI components, link screens together and run them as a clickable prototype.

Change text to uppercase, lowercase, title case, camelCase, snake_case and more, with quick clean-up tools for lines and spaces.

Convert text to speech in 19 languages at four speeds, then play a preview or download the audio as MP3, WAV or AAC.

Timer & Stopwatch

Use a countdown timer with alarm, a stopwatch with laps and a Pomodoro focus timer that stays accurate in background tabs.

Time Zone Converter & World Clock

Compare cities on a live world clock, convert times with a slider and find the best meeting time across time zones.

Tip Calculator & Bill Splitter

Add tip and tax, split the check evenly or by shares, round up each share and copy a summary for your group chat.

Typing Speed Test

Measure your words per minute and accuracy in 15, 30, 60 or 120 second tests using words, punctuation or quotes.

Convert between more than 110 units across 12 categories, including length, weight, temperature, data and fuel economy.

Spin a wheel with your own entries to pick a random name or winner, with sounds, confetti and a winners history.

Count words, characters, sentences and paragraphs live, and check reading time, keyword density and character limits.

Browse color palettes made for designers and artists to find inspiration for your next project.

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About Whisser Microtools

Whisser Microtools is a collection of free, focused web utilities for quick everyday tasks. Each tool does one job, such as editing an image, working with a PDF, creating a QR code, sharing text or protecting a link, and opens directly in your browser.

Frequently asked questions

What are Whisser Microtools?

Whisser Microtools are small, single-purpose web utilities for everyday tasks, such as editing images, working with PDF files, creating QR codes, sharing text and protecting links. Each tool opens on its own page on whisser.com.

Are Whisser Microtools free?

Yes. The microtools listed on this page are free to open and use in your web browser. A few tools may ask you to sign in to a Whisser account before you use them.

Do I need to install anything?

No. Microtools run on whisser.com in a modern web browser with JavaScript enabled, on desktop or mobile, so there is nothing to download or install.

How do I find and save a tool?

Use the search button at the top of the page to filter tools by name, description or task, then select a tool to open it. Use the plus button on a tool to add it to your favorites. Guest favorites are saved in your browser, and signed-in favorites are saved to your Whisser account.