15 Best Free Online Tools in 2026

The web is full of tools that promise to be free but end up gating features behind paywalls, plastering watermarks on your files, or requiring accounts just to get started. We have tested hundreds of tools and compiled the 15 that actually deliver: free, capable, and ready to use right in your browser.

PDF Tools

1. PDF Compressor

Large PDFs are a constant headache for email and uploads. The PDF Compressor reduces file sizes by 50-80% while keeping text sharp and images clear. It runs in your browser, so your files stay private.

2. PDF Merger

Need to combine multiple documents? The PDF Merger lets you drag and drop any number of PDFs, reorder them, and merge into a single file. No limits, no watermarks.

3. PDF to Word Converter

The PDF to Word converter extracts text and formatting from PDFs into editable Word documents. It handles tables, images, and multi-column layouts well.

Image Tools

4. Background Remover

AI-powered Background Remover that handles hair, fur, and complex edges with impressive accuracy. Upload a photo, get a transparent PNG in seconds.

5. Image Compressor

The Image Compressor reduces JPG, PNG, and WebP file sizes for faster websites and easier sharing. Quality loss is minimal and often invisible.

6. Image Upscaler

Have a low-resolution image that needs to be larger? The Image Upscaler uses AI to increase resolution up to 4x while adding realistic detail.

Video and Audio Tools

7. Video Converter

The Video Converter handles virtually any format: MKV, AVI, MOV, WebM, and more. Converts to MP4 with customizable quality settings, all processed locally.

8. Video Transcriber

Turn any video or audio file into text with the AI-powered Video Transcriber. Supports multiple languages and delivers accurate results even with background noise.

9. Vocal Remover

The Vocal Remover uses AI to separate vocals from instrumentals in any song. Great for karaoke, remixes, or studying instrumental arrangements.

Developer Tools

10. JSON Formatter

Paste messy JSON and the JSON Formatter instantly prettifies it with syntax highlighting. Also validates and shows errors.

11. Regex Tester

The Regex Tester lets you build and test regular expressions in real time with match highlighting and explanation.

12. Code Formatter

Format code in JavaScript, Python, HTML, CSS, and more with the Code Formatter. Clean, consistent formatting in one click.

Productivity Tools

13. QR Code Generator

Create QR codes for URLs, text, Wi-Fi credentials, and more with the QR Code Generator. Download as PNG or SVG.

14. Password Generator

The Password Generator creates strong, random passwords with customizable length, character sets, and entropy indicators.

15. Text to Speech

Convert any text into natural-sounding audio with the Text to Speech tool. Multiple voices and languages available.