Tool Studio

Welcome to Tool Studio: Your Ultimate Online Toolkit

In today's fast-paced digital world, efficiency and convenience are paramount. Whether you're a student, a professional, a content creator, or simply someone who interacts with digital media and data regularly, having quick access to a versatile set of tools can be a game-changer. That's where Tool Studio comes in. We've curated a collection of 20 essential, free-to-use online tools designed to simplify your tasks, boost your productivity, and empower your digital endeavors – all from the comfort of your web browser, with no installations required and a strong focus on client-side processing for speed and privacy.

Our platform is built with a modern, premium, and minimalistic design, ensuring a seamless and enjoyable user experience across all devices – desktop, tablet, and mobile. Each tool is crafted to be fully functional using only HTML, CSS, and Vanilla JavaScript, meaning they are lightweight, fast, and respect your privacy by processing data directly in your browser whenever possible.

Why Choose Tool Studio?

1. Image Converter


This tool allows users to upload images in formats like JPG, PNG, or WEBP and convert them seamlessly between these formats using the HTML5 canvas element, all processed in-browser.


2. Image Compressor


Reduces image file size by adjusting canvas export quality. Users can set compression levels and download optimized images.

3. Image Cropper

Interactive tool to crop images with draggable selection. Exports the cropped area using canvas.

4. Video Converter

Converts MP4 and WebM formats using Media Recorder API, all handled client-side without server uploads.

5. Audio Converter

Converts between MP3 and WAV using the Web Audio API to process and export audio data in the browser.

6. Audio Trimmer

Trim audio files by selecting time ranges and exporting segments using Web Audio API.

7. Image to Base64 / Base64 to Image

Converts images to base64 strings and vice versa, useful for embedding images in text or HTML.

8. Image Resizer

Resize images to specified dimensions, optionally preserving aspect ratio, using canvas scaling.

9. Image Rotator & Flipper

Rotate and flip images using canvas transform functions. Exports altered image versions.

10. Webcam Photo Capture

Accesses webcam with getUserMedia API. Captures and saves snapshots from the video feed.

11. Age Calculator

Calculates age from date of birth, displaying result in years, months, and days using JavaScript Date objects.

12. EMI Calculator

Computes loan EMIs using principal, interest rate, and tenure inputs. Displays monthly payment and total interest.

13. SIP Calculator

Estimates maturity value of systematic monthly investments using compound interest calculations.

14. Unit Converter

Converts values between units of length, weight, temperature, and more using fixed conversion formulas.

15. BMI Calculator

Calculates Body Mass Index from height and weight. Categorizes result as underweight, normal, or obese.

16. Currency Converter

Converts between currencies using hardcoded rates, letting users quickly get conversion values.

17. Percentage Calculator

Performs percentage-based calculations: increase, decrease, and what-percent-of computations.

18. Time Zone Converter

Converts date/time between local time and UTC using JavaScript Date and timezone methods.

19. Discount Calculator

Computes discount amount and final price after applying a percentage discount.

20. Loan Affordability Calculator

Estimates how much loan a user can afford based on income, expenses, and interest rates.

21. QR Code Generator

Generates downloadable QR codes from user text or URLs using canvas rendering.

22. Password Generator

Creates secure random passwords based on selected length and character types.

23. Word Counter

Counts words, characters, sentences, and estimates reading time from input text.

24. Base64 Encoder / Decoder

Encodes plain text to base64 or decodes it back into human-readable form.

25. JSON Formatter & Validator

Formats raw JSON into readable format and validates structure for errors.

26. Markdown to HTML Converter

Parses markdown syntax and shows live HTML preview for editing documentation or posts.

27. HTML Entity Encoder/Decoder

Encodes characters to HTML entities or decodes them to regular characters.

28. Regex Tester

Tests regular expressions against input strings, showing matches and groups in real-time.

29. Timestamp Converter

Converts UNIX timestamps to human-readable dates and vice versa.

30. Text Diff Checker

Compares two blocks of text and highlights insertions, deletions, and changes.

31. Color Picker

Visual color selector showing HEX, RGB, and HSL values.

32. Gradient Generator

Designs CSS gradients with customizable stops and angles, previewing live results.

33. Box Shadow Generator

Interactive tool to generate CSS box shadows with offset, blur, and spread control.

34. Border Radius Generator

Adjusts corner radii interactively and outputs the border-radius CSS value.

35. CSS Minified

Minifies CSS by removing unnecessary characters and whitespace.

36. Favicon Generator

Converts PNG to favicon ICO files using canvas.

37. Text Styler

Applies basic text styles like bold, italic, underline, and font sizing.

38. Lorem Ipsum Generator

Creates customizable placeholder text blocks for UI and print mockups.

39. Font Previewer

Live preview of text in various fonts, both system and Google Fonts.

40. Clipboard Snippet Manager

Saves text snippets for reuse, storing them in local Storage for later access.

41. Text to Speech

Reads text out loud using the Web Speech API, with customizable voice and pitch.

42. Speech to Text

Converts spoken input into typed text using Speech Recognition API.

43. Timer & Stopwatch

Basic countdown timer and stopwatch features with start, pause, and reset.

44. Pomodoro Timer

Implements Pomodoro productivity method with adjustable work and break intervals.

45. Notepad with Auto Save

Autosaving text area that keeps notes in local Storage, ensuring persistent drafts.

46. Countdown Tool

Counts down to a future date, showing days, hours, minutes, and seconds.

47. Random Number Generator

Generates a random integer within a user-defined range.

48. Coin Flip / Dice Roller

Simulates random outcomes for coin flips or dice rolls with simple animations.

49. Mini Calendar Viewer

Displays a simple calendar view for the current month with highlighted today’s date.

50. To-Do List

Simple task manager with add/delete/check features, using local Storage for data persistence.

Constantly Evolving

Tool Studio is a living project. We are committed to maintaining and improving our existing tools and potentially adding new ones based on user needs and technological advancements. Our goal is to be your go-to destination for quick, reliable, and free online utilities.