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Browse free calculators, converters, image, PDF, text and developer tools across the jobs people do most. Choose a topic, open a tool and get it done — at your pace, with nothing to install.

Roadmap

Coming soon

Tools we're building but won't publish until they work properly. Most need a server or a large AI model, which we're adding carefully.

  • Currency Converter Coming soon

    Convert between world currencies at current exchange rates.

    Needs a reliable, licensed live exchange-rate feed. We won't show stale or made-up rates.

  • SQL Playground Coming soon

    Write and run SQL queries against an in-browser SQLite database.

    Running real SQL in your browser needs a SQLite engine compiled to WebAssembly (about 1 MB). We're planning it so it only loads on this page.

  • Background Remover Coming soon

    Remove the background from a photo automatically.

    Good results need a machine-learning model of 40+ MB. We're working on loading it efficiently.

  • Image to Text (OCR) Coming soon

    Extract text from photos and scanned documents.

    In-browser OCR engines are large and slow on phones. Planned once we can make it fast enough.

  • Compress PDF Coming soon

    Reduce PDF file size by re-encoding images.

    Real PDF compression re-encodes every image inside the file. Browser-only versions often make files bigger or break them, so we're building this properly first.

  • Password Protect PDF Coming soon

    Encrypt a PDF with a password.

    Needs standards-compliant PDF encryption (AES-256), which the open-source browser libraries we use don't support yet.

  • PDF to Word Coming soon

    Convert a PDF into an editable Word document.

    Rebuilding layout, tables and fonts as an editable document needs server-side conversion to be reliable. Until then, PDF to Text extracts the words.

  • AI Chat Assistant Coming soon

    Chat with an AI assistant that can explain, draft and answer questions.

    We're testing a private assistant that runs entirely in your browser. It needs a large model download and a WebGPU-capable browser, so we'll launch it once it works well on everyday devices.

  • AI Paraphrasing Tool Coming soon

    Rewrite text in a different style with a language model.

    Real paraphrasing needs a large language model on a server. We won't fake it with word swaps.

  • AI Grammar Checker Coming soon

    Find and fix grammar, spelling and style issues.

    Accurate grammar correction needs a server-side language model. Planned for a later phase.

  • AI Code Explainer Coming soon

    Paste code and get a plain-English explanation, line by line.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI Bug Finder Coming soon

    Spot likely bugs, edge cases and security issues in a code snippet.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI Code Converter Coming soon

    Translate code between languages — Python, JavaScript, Java, Go and more.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI Commit Message Writer Coming soon

    Generate a commit message from a git diff.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI Regex Generator Coming soon

    Describe what to match in plain English and get a regular expression.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI CSS Generator Coming soon

    Describe a style and get CSS or Tailwind classes.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI Test Data Generator Coming soon

    Describe a dataset and get realistic sample records.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI Documentation Writer Coming soon

    Write docstrings, JSDoc and README sections from code.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI Email Writer Coming soon

    Draft clear, polite emails from a few bullet points.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI Writing Assistant Coming soon

    Draft blog posts, product descriptions and social posts.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • AI Social Post Generator Coming soon

    Turn an idea into posts for LinkedIn, X, Instagram and more.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.

  • DNS Lookup Coming soon

    Look up A, AAAA, MX, TXT, CNAME and NS records for any domain.

    Browsers block web pages from checking other websites directly, so this needs a small server of our own. We're planning it so lookups stay private and nothing is logged.

  • IP Address Lookup Coming soon

    See your public IP address and the location and network of any IP.

    Browsers block web pages from checking other websites directly, so this needs a small server of our own. We're planning it so lookups stay private and nothing is logged.

  • HTTP Headers Checker Coming soon

    See the response headers, status code and security headers a URL returns.

    Browsers block web pages from checking other websites directly, so this needs a small server of our own. We're planning it so lookups stay private and nothing is logged.

  • SEO Analyzer Coming soon

    Audit a web page's title, meta tags, headings, images and links.

    Browsers block web pages from checking other websites directly, so this needs a small server of our own. We're planning it so lookups stay private and nothing is logged.

  • Broken Link Checker Coming soon

    Crawl a page and find links that return errors or redirects.

    Browsers block web pages from checking other websites directly, so this needs a small server of our own. We're planning it so lookups stay private and nothing is logged.

  • Redirect Chain Checker Coming soon

    Follow a URL's redirects step by step and spot loops and long chains.

    Browsers block web pages from checking other websites directly, so this needs a small server of our own. We're planning it so lookups stay private and nothing is logged.

  • Website Speed Test Coming soon

    Measure page load time, page weight and Core Web Vitals for a URL.

    Browsers block web pages from checking other websites directly, so this needs a small server of our own. We're planning it so lookups stay private and nothing is logged.

  • SSL Certificate Checker Coming soon

    Check a site's SSL certificate, issuer, expiry date and certificate chain.

    Browsers block web pages from checking other websites directly, so this needs a small server of our own. We're planning it so lookups stay private and nothing is logged.

  • URL Safety Checker Coming soon

    Check a link against known phishing and malware lists before you open it.

    This needs live data from an outside service. We'll add it once we can do that without tracking you or showing ads.

  • Webhook Tester Coming soon

    Get a temporary URL and inspect the webhook requests sent to it.

    Browsers block web pages from checking other websites directly, so this needs a small server of our own. We're planning it so lookups stay private and nothing is logged.

  • GitHub Repo Stats Coming soon

    See stars, forks, contributors, languages and activity for a repository.

    This needs live data from an outside service. We'll add it once we can do that without tracking you or showing ads.

  • npm Package Explorer Coming soon

    Look up an npm package's versions, size, downloads and dependencies.

    This needs live data from an outside service. We'll add it once we can do that without tracking you or showing ads.

  • Browser Feature Support Coming soon

    Check which browsers support a CSS, HTML or JavaScript feature.

    This needs live data from an outside service. We'll add it once we can do that without tracking you or showing ads.

  • Tailwind to CSS Converter Coming soon

    Turn Tailwind utility classes into the plain CSS they produce.

    Doing this in the browser needs a large add-on (several megabytes). We're working on loading it only on this page so the rest of the site stays fast.

  • Tailwind Playground Coming soon

    Paste HTML with Tailwind classes and preview it live.

    Doing this in the browser needs a large add-on (several megabytes). We're working on loading it only on this page so the rest of the site stays fast.

  • Text Translator Coming soon

    Translate text between languages.

    Good translation needs a large language model. We're testing one that runs in your browser so your text stays private.

  • Unicode Character Finder Coming soon

    Search every Unicode character by name and copy it.

    Doing this in the browser needs a large add-on (several megabytes). We're working on loading it only on this page so the rest of the site stays fast.

  • Free Stock Photo Search Coming soon

    Search free-to-use stock photos from several libraries at once.

    This needs live data from an outside service. We'll add it once we can do that without tracking you or showing ads.

  • Random Placeholder Photos Coming soon

    Get random real photos at any size for mockups and prototypes.

    This needs live data from an outside service. We'll add it once we can do that without tracking you or showing ads.

  • Word to PDF Coming soon

    Convert DOCX documents to PDF.

    Doing this in the browser needs a large add-on (several megabytes). We're working on loading it only on this page so the rest of the site stays fast.

  • HTML to PDF Coming soon

    Convert HTML or a web page into a PDF.

    Doing this in the browser needs a large add-on (several megabytes). We're working on loading it only on this page so the rest of the site stays fast.

  • Batch File Processor Coming soon

    Run one action — compress, convert, rename — on many files at once.

    We're building a way to run any tool on a whole folder of files at once, entirely in your browser.

  • Tool Workflows Coming soon

    Chain tools together — e.g. resize, compress and convert — and reuse the steps.

    We're designing a way to link tools into reusable workflows that run privately in your browser.

  • AI Explain Anything Coming soon

    Paste text, code or an error message and get a simple explanation.

    Needs a language model. We're testing a private one that runs in your browser, so nothing you type is sent to a server — it will launch once it's fast enough on everyday devices.