Free Online Tools for Images, PDFs, QR Codes, Text & Games
BuBird gives you fast, free, browser-based tools to compress images, convert files, edit PDFs, create QR codes, format text, use calculators and play lightweight games. No signup. No installation. Many tools work directly in your browser.
Find free image tools, PDF tools, QR tools and browser games in seconds.
Popular Free Online Tools
Fast, private browser-based tools for images, PDFs, QR codes, productivity and games. All completely free — no signup, no installation.
Image Compressor
Compress JPG, PNG and WebP images online while keeping quality high. Reduce file size by up to 90%.
PDF Studio
Merge, split, compress and edit PDF files directly in your browser. 36+ free PDF tools.
Image Converter
Convert images between JPG, PNG, WebP, HEIC, AVIF and 60+ other formats instantly.
QR Studio
Create QR codes for links, WiFi, WhatsApp, text and contact cards. Custom colors and logos.
Image Studio
Edit, resize, crop and enhance images with 30+ free browser-based image editing tools.
Audio Studio
Trim, merge, convert, compress and enhance audio files in a fast browser-based workspace.
Calculators
Solve math, algebra, geometry, finance, loans, tax, and fitness problems with our suite of 70+ interactive calculators.
Speech to Text
Convert voice or audio into text using a simple AI-powered browser-based transcription tool.
Text Tools
Manipulate, analyze, format, and convert text online. Case converter, word counter, list randomizer, text clean up, and markdown editors.
Developer Tools
Free online developer utilities to format, minify, validate, and convert JSON, XML, HTML, CSS, JavaScript, and SQL. 100% secure in-browser tools.
IT & Network Tools
Essential online network utilities for system administrators and IT professionals. Ping, traceroute, IP lookup, subnet calculator, and DNS checker.
Security Tools
Free online cybersecurity utilities. Generate secure passwords, check password strength, scan links for malware/phishing, and encrypt notes with AES-256.
Image Viewer
Open and preview images quickly in your browser. Supports HEIC, WebP, SVG and more formats.
Sudoku World
Play Sudoku puzzles online and improve your logic skills. Multiple difficulty levels and variants.
ZipGame
Connect all the dots in the grid using flowing paths. Classic, flow, maze, nexus and more game modes.
Browse Free Tools by Category
Explore privacy-first browser tools for images, PDFs, QR codes, productivity and games.
Image Tools
Compress, resize, crop, convert, filter and edit images online without installing software.
View Image Tools →PDF Tools
Merge, split, compress, convert, sign and protect PDF files directly in your browser.
View PDF Tools →QR Tools
Create QR codes for links, WiFi, WhatsApp, text, email and contact cards instantly.
Create QR Codes →Browser Games
Play Sudoku, puzzle and logic games directly in your browser on mobile or desktop.
Play Browser Games →Productivity Tools
Use quick daily tools like speech to text, image viewer and file utilities.
Explore Tools →Privacy-first tools that work in your browser
BuBird is built to make everyday tasks faster without forcing users to install apps or create accounts. Many tools process files directly in your browser whenever possible, helping your files stay on your device.
- ✓ No signup required
- ✓ No installation needed
- ✓ Browser-based tools
- ✓ Files stay on your device whenever possible
- ✓ Works on mobile, tablet and desktop
All image processing uses WebAssembly in your browser for native-speed performance.
Our servers never receive, process or store your image files. The pipeline is entirely client-side.
Unlimited conversions, compressions and tool usage. Free forever with no hidden tiers.
Fully responsive. Works on Chrome, Edge, Firefox, Safari — desktop, tablet, or mobile.
Who can use BuBird?
BuBird tools are helpful for everyday tasks across different roles and needs. No technical knowledge required.
Students
Compress assignment images, convert PDFs, create QR codes and use quick study-friendly tools.
Designers
Resize images, convert formats, prepare web assets and create visual content faster.
Developers
Optimize website images, convert SVG, PNG and WebP files, and create Open Graph assets.
Office Users
Merge PDFs, compress documents, create QR codes and handle daily file tasks.
Casual Users
Play Sudoku, solve simple puzzles and use quick tools without installing apps.
Play simple browser games
Take a quick break with lightweight browser games like Sudoku, logic puzzles and casual games. No installation required.
Sudoku World
Classic, killer, thermo and samurai Sudoku puzzles for all skill levels. Play daily or freestyle.
ZipGame
Connect all the dots in the grid using flowing paths. Includes classic, flow, maze, nexus and more game modes.
Patches
Fill the board with colorful patch pieces in this relaxing browser puzzle game. Multiple difficulty levels.