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100% free, private, in your browser

Free Online Tools

Fast, free and private tools for images, PDFs, text and more. Everything runs in your browser, so your files never leave your device.

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Image tools 4 tools PDF tools 3 tools QR & Barcode tools 2 tools Text tools 3 tools SEO tools 2 tools Developer tools 3 tools Calculators tools 2 tools Social tools 2 tools

Most popular

ImageImage CompressorCompress JPG, PNG and WebP images in bulk, right in your browser. Up to 20 files at once, with a before and after preview.Use tool QR & BarcodeQR Code GeneratorMake QR codes for links, text, Wi-Fi, email, phone, SMS and contacts. Custom colors, PNG and SVG download, no sign up.Use tool ImageImage ResizerResize JPG, PNG and WebP images to exact pixels or a percentage. Batch resize up to 20 photos without uploading them.Use tool TextWord CounterCount words, characters, sentences and paragraphs as you type, with reading time and top keywords.Use tool PDFMerge PDFCombine several PDF files into one, in the order you choose. Runs in your browser, so documents stay private.Use tool DeveloperPassword GeneratorCreate strong random passwords with your browser's secure random generator. Choose length and characters, nothing is stored.Use tool ImageImage ConverterConvert images between JPG, PNG and WebP in bulk. Fast, free and private, with no upload.Use tool CalculatorsPercentage CalculatorWork out percentages four ways: percent of a number, what percent, percentage change, and adding or removing a percent.Use tool

Recently added

SocialSocial Media Character CounterCheck your post against the limits of X, Instagram, LinkedIn, Facebook, TikTok, Threads, YouTube and Pinterest at once.Use tool CalculatorsAge CalculatorFind your exact age in years, months and days, plus total days, weeks and the countdown to your next birthday.Use tool CalculatorsPercentage CalculatorWork out percentages four ways: percent of a number, what percent, percentage change, and adding or removing a percent.Use tool DeveloperPassword GeneratorCreate strong random passwords with your browser's secure random generator. Choose length and characters, nothing is stored.Use tool
Private by design Files and text are processed in your browser. Nothing is uploaded, stored or seen by us.
Free, no sign up No accounts, no watermarks and no daily limits on any tool.
Works offline Once a tool has loaded, it keeps working without an internet connection.
Made for phones Every tool is designed for small screens first, with touch and keyboard support.

Why we built a set of free tools

Most of the guides on The Zarq end with a small job you still have to do yourself. You free up space on your phone and then need to shrink a folder of photos. You fix a slow website and then need lighter images. Searching for a free tool usually leads to sites that upload your files to a server you know nothing about, cap you at a few files, or bury the download button under ads. We wanted something better for our readers, so we built it.

How "never leaves your device" works

Every tool here runs inside your web browser using built in features such as the Canvas API, Web Workers and the Web Crypto API. When you add a file, your browser reads and processes it on your own phone or computer. There is no upload step and no copy on our side. You can test it yourself: open a tool, switch off Wi-Fi or mobile data, and it still works.

How we keep the tools honest

Each tool page explains what the tool does, how to use it, and its limits. If a browser cannot do something, for example create WebP files, the tool says so clearly instead of failing silently. We test on Chrome, Edge, Firefox and Safari, on phones and desktops, and we fix problems readers report through our contact page. The tools are supported by a small number of clearly labelled ads that are kept away from the buttons you need to press.

Tools for every category

The collection covers images, PDFs, QR codes, text, SEO, developer utilities, calculators and social media, and we add new tools regularly based on what readers ask for. Each tool links to related guides on The Zarq, so you can learn the why behind the task as well as get it done. If there is a tool you wish existed, tell us through the contact page.