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Toolverse

Your files never leave your device

A universe of everyday tools, right in your browser

Toolverse brings together small, focused utilities for images, text, data and security. Open a tool, do the job, move on — no sign-up, no upload queue, no watermark.

  • Image CompressorCompress photos to JPEG or WebP with a quality slider, compare before and after sizes, and download one or many files. Nothing is uploaded.
  • Image ResizerResize an image to exact pixel dimensions or a percentage, with an aspect-ratio lock. Runs locally in your browser with no upload.
  • Image ConverterConvert images between PNG, JPG and WebP. Transparent areas get a white background when saving as JPG. Private, in-browser conversion.
  • QR Code GeneratorCreate QR codes for links, text, Wi-Fi logins and email. Choose size, margin, error correction and colours, then download PNG or SVG.
  • Word CounterCount words, characters with and without spaces, sentences and paragraphs, estimate reading and speaking time, and see top keywords.
  • Text Case ConverterSwitch text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case instantly.
  • Remove Duplicate LinesDelete repeated lines from a list while keeping the original order. Options for case sensitivity, trimming, empty lines and sorting.
  • Unit ConverterConvert length, mass, temperature, area, volume, speed, time and data size (SI and binary units) using exact defined factors.
  • JSON FormatterFormat, minify and validate JSON. If something is wrong, see the exact line and column with a plain-English explanation.
  • Password GeneratorGenerate strong passwords with your browser's cryptographic random generator, unbiased character selection and an honest entropy estimate.

↑ ↓ to move · Enter to open · Esc to clear · / to focus

Image

Compress, resize and convert photos without uploading them.

Image CompressorCompress photos to JPEG or WebP with a quality slider, compare before and after sizes, and download one or many files. Nothing is uploaded.ImageImage ResizerResize an image to exact pixel dimensions or a percentage, with an aspect-ratio lock. Runs locally in your browser with no upload.ImageImage ConverterConvert images between PNG, JPG and WebP. Transparent areas get a white background when saving as JPG. Private, in-browser conversion.Image

Text

Count, clean up and reshape text in a click.

Word CounterCount words, characters with and without spaces, sentences and paragraphs, estimate reading and speaking time, and see top keywords.TextText Case ConverterSwitch text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and kebab-case instantly.TextRemove Duplicate LinesDelete repeated lines from a list while keeping the original order. Options for case sensitivity, trimming, empty lines and sorting.Text

Data & conversion

Units, JSON and QR codes, done precisely.

QR Code GeneratorCreate QR codes for links, text, Wi-Fi logins and email. Choose size, margin, error correction and colours, then download PNG or SVG.Data & conversionUnit ConverterConvert length, mass, temperature, area, volume, speed, time and data size (SI and binary units) using exact defined factors.Data & conversionJSON FormatterFormat, minify and validate JSON. If something is wrong, see the exact line and column with a plain-English explanation.Data & conversion

Security

Strong random passwords generated on your device.

Password GeneratorGenerate strong passwords with your browser's cryptographic random generator, unbiased character selection and an honest entropy estimate.Security

Why local processing matters

Most online converters send your file to a server, process it there and send it back. Toolverse does the work inside the browser tab you already have open, using the same engines your browser uses to display images and run web apps.

Private by design

Photos, documents and passwords are never transmitted, so there is nothing to leak, log or retain.

No waiting on uploads

Files are processed without first crossing your network connection, which on mobile data is often the slowest step.

Works offline

Once a tool page has loaded, it keeps working even if your connection drops.

Transparent methods

Every tool page explains its formula or algorithm, with a worked example and its known limits.

What is Toolverse?

Toolverse is a free collection of single-purpose web utilities. Each one is built to do one common job well: shrink a photo before emailing it, count the words in an essay, convert a recipe from cups to millilitres, or generate a password you will never have to remember because it lives in your password manager.

There are no accounts and no limits on how often you use a tool. Pages are lightweight and work on phones, tablets and desktops, in light or dark mode. Numbers are checked against published references — unit factors against NIST, password entropy against exact counts — and the tests behind them are part of the project.

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