Free Online Tools – Private, Fast & Browser-Based

Tools Oasis is a collection of free developer and creative tools that run 100% in your browser. No tracking, no signups, no data ever leaves your device. Convert images, compress PDFs, format code, generate QR codes, pick colors, encode Base64, and more — instantly and privately.

Most Popular Tools

PDF Compressor Reduce PDF size instantly

HEIC to JPG Convert iPhone photos

Image Compressor Shrink images, keep quality

QR Code Generator Custom colors, instant download

JSON Formatter Validate & prettify JSON

Password Generator Secure random passwords

Speed Test Check your internet speed

Background Remover AI-powered, 100% private

Image Tools

Image Compressor Reduce file size without visible quality loss Image Resizer Resize images to exact dimensions or percentage Background Remover AI-powered background removal — 100% private Image to Text (OCR) Extract text from images — AI-powered HEIC Converter Convert Apple HEIC to JPG, PNG, or WebP Image Converter JPG ⇄ PNG ⇄ WebP — all formats Image Cropper Crop images to any size or ratio Image Color Picker Extract colors & palettes from any image Color Converter HEX ⇄ RGB ⇄ HSL ⇄ CMYK

PDF Tools

PDF Compressor Reduce PDF size for email & upload PDF Flattener Make PDFs uneditable & merge layers PDF Merge Combine multiple PDFs into one

Developer Tools

JSON Formatter Validate, prettify & fix JSON XML Formatter Beautify XML & detect errors Code Beautifier Format HTML, CSS, or JavaScript CSS Minifier Minify or beautify CSS code Markdown to HTML Convert MD to HTML with preview Base64 Encoder Encode text or images to Base64 Base64 Decoder Decode Base64 to text or image URL Encoder/Decoder Encode & decode URLs Text Diff Compare two texts side by side JSON ⇄ CSV Convert between JSON & CSV JWT Decoder Decode & inspect JSON Web Tokens

Security

Password Generator Secure random passwords Password Strength Checker Is your password strong enough? Hash Generator MD5, SHA-1, SHA-256, SHA-512 What Is My IP Find your IP, location & ISP Speed Test Check internet speed & ping

Text & Content

Word Counter Words, characters & reading time Email Extractor Extract emails from any text HTML Translator Translate HTML between languages Lorem Ipsum Generate placeholder text Text to Speech Convert text to audio — free

SEO & Web

Meta Tag Generator Generate SEO meta tags + SERP preview Favicon Generator Create favicons from any image Robots.txt Generator Build robots.txt visually QR Code Generator Custom colors & instant download

Blogger & Freelancer

Headline Analyzer Score your blog titles for clicks & SEO Keyword Density Analyze content for SEO optimization Reading Level Flesch score & grade level Social Media Counter Character limits for all platforms Invoice Generator Create professional invoices for free Pomodoro Timer Focus timer for productivity Screen Recorder Record your screen — no plugins needed Countdown Timer Count down to any event or deadline

Utility

Unit Converter Length, weight, temperature, volume & more

100% Private

Your files never leave your device. Zero uploads, zero tracking.

Instant Results

No server wait. Everything happens in milliseconds.

No Signup

No accounts, no emails, no paywalls. Just use it.

Works Everywhere

Chrome, Safari, Firefox, Edge — desktop & mobile.

Who Uses Tools Oasis?

Format JSON & XML, encode Base64, compare code diffs, decode JWTs, convert JSON to CSV — all without leaving the browser.

Designers & Photographers

Extract color palettes, remove backgrounds with AI, convert HEIC from iPhone, compress & resize images for web.

Bloggers & Freelancers

Analyze headlines, check keyword density, create invoices, record screens, count words, and stay focused with Pomodoro.

Everyone — PDFs & Security

Compress PDFs for email, merge documents, flatten forms, generate secure passwords, check your internet speed.

Have questions or ideas? Contact us — we'd love to hear from you.