Tools

Every ToolOS tool works in your browser. Free to explore — an account is only needed when you download.

PDF

Edit, annotate and organise PDF documents.

PDF

PDF Editor

Edit, annotate, sign and reorganise PDF files right in your browser.

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PDF

PDF Compressor

Compress PDF files and reduce their size right in your browser.

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PDF

Merge PDF

Combine multiple PDF files into a single document.

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PDF

Split PDF

Extract selected pages from a PDF into a new file.

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Images

Compress, convert and refine images.

Images

Online Image Cropper

Crop JPG, PNG and WebP images with free or preset aspect ratios.

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Images

Online Image Compressor

Reduce image file size without unnecessary quality loss.

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Images

Online Image Resizer

Resize JPG, PNG and WebP images online with custom dimensions and useful social media presets.

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Images

JPG to PNG Converter

Convert JPG and JPEG images to PNG format in your browser.

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Images

PNG to JPG Converter

Convert PNG images to JPG with quality and background control.

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Text

Everyday text transformations.

Text

Online Word Counter

Count words, characters, sentences and paragraphs as you type.

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Text

Character Counter

Count characters, words, sentences and lines as you type.

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Text

Case Converter

Convert text between uppercase, lowercase, title, sentence and alternating case.

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Utilities

Small tools for everyday life.

Utilities

QR Code Generator

Create and download QR codes from any URL or text in seconds.

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More categories

Video

Coming soon

Audio

Coming soon

Design

Coming soon

Developer

Coming soon