Free online tools · 33
The Free Online Toolbox
Remove backgrounds, convert files, turn text into speech, run everyday calculations.
No install, no sign-up — everything runs in your browser and your files are never uploaded.
Image Tools
Image ・ 9AI Background Remover
Upload a photo and AI removes the background, giving you a transparent PNG. It runs entirely in your browser — your image is never uploaded.
Image Compressor
Compress JPG, PNG and WebP right in your browser. Adjust quality and max width and see the savings instantly.
HEIC to JPG Converter
Batch-convert iPhone HEIC / HEIF photos to JPG or PNG that open everywhere — Windows, forms and any app. Runs in your browser; photos are never uploaded.
PNG to JPG Converter
Batch-convert PNG images to JPG with adjustable quality. Transparent areas are filled with white automatically.
JPG to PNG Converter
Convert JPG/JPEG photos to lossless PNG in batches.
WebP to PNG Converter
Convert WebP images saved from websites into widely compatible PNG files.
Image Resizer
Enter a width and height to resize images proportionally, in batches.
Image to WebP Converter
Convert JPG and PNG to WebP to dramatically shrink files and speed up your website.
Image to Base64 Converter
Turn an image into a Base64 data URI, plus ready-to-paste HTML and CSS snippets.
Audio & Video Tools
Audio · Video ・ 6Text to Speech
Type any text, choose a voice, speed and pitch, and your browser reads it aloud. Supports every voice installed on your system.
Speech to Text
Speak into your microphone and see your words transcribed live. Copy the text or download it as TXT.
Audio Converter
Convert between MP3, M4A, AAC, WAV, OGG and FLAC, or extract the sound from a video. Runs in your browser; files are never uploaded.
Video Converter
Convert videos between MP4, MOV, WebM and MKV using your device's hardware encoder. Runs in your browser; videos are never uploaded.
Online Voice Recorder
Record audio right in your browser and download the file — nothing to install.
Audio to WAV Converter
Decode MP3, M4A, OGG and more and convert them to lossless WAV.
Text Tools
Text ・ 9Word Counter
Count words, characters, lines and paragraphs in real time, with an estimated reading time. Handles mixed-language text.
Case Converter
Instantly convert text to UPPERCASE, lowercase, Title Case or Sentence case.
Remove Duplicate Lines
Paste a list and remove duplicate lines instantly, optionally ignoring blank lines and extra spaces.
JSON Formatter
Format, minify and validate JSON, with clear error messages when something's wrong.
Remove Line Breaks
Fix the extra line breaks you get when copying text from PDFs, with an option to keep paragraphs.
Random Name Picker
Paste a list and fairly draw winners using cryptographic randomness. You can also shuffle the list into random groups.
Sort Lines
Sort lines alphabetically, by length, in reverse, or shuffle them randomly.
Base64 Encode & Decode
Encode and decode Base64 with full UTF-8 support for any language and emoji.
URL Encoder & Decoder
Encode or decode special characters and non-English text in URLs.
Calculators & Utilities
Utility ・ 9QR Code Generator
Turn any URL or text into a downloadable QR code — no watermark, never expires.
BMI Calculator
Enter your height and weight to calculate BMI and your healthy weight range using the WHO adult classification.
Loan & Mortgage Calculator
Calculate your monthly payment, total interest and total repayment for a fixed-rate loan or mortgage.
Strong Password Generator
Generate strong random passwords with Web Crypto and see an estimated strength.
Percentage Calculator
Work out what percent one number is of another, a percentage of a number, or the percent change.
Compound Interest Calculator
Estimate the future value of a lump sum plus monthly contributions with compound interest.
Date Difference Calculator
Count the days, weeks and business days (Mon–Fri) between two dates.
Age Calculator
Enter a birth date to get an exact age in years, months and days, days alive, and a countdown to the next birthday.
Discount Calculator
Enter a price and discount to instantly see the sale price and how much you save.
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