Free online tools that run entirely in your browser

Fast, free, browser-only utilities. No sign-ups, no uploads — your files never leave your device.

No sign-ups. No uploads. Files never leave your device.

Text tools

Word Counter

Count words, characters, sentences and paragraphs and estimate reading time — live, in your browser, with zero uploads.

PDF OCR

Turn scanned PDFs into real, selectable text using AI character recognition in your browser — copy, download and search the result.

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Create PDF from Text

Write or paste text and instantly download it as a clean, print-ready PDF — composed entirely in your browser, with nothing uploaded.

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PDF tools

PDF Merge

Combine multiple PDF files into a single document, entirely in your browser. Files never leave your device.

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Split PDF

Split a PDF into separate files by page ranges or every single page — quickly and in your browser. Your documents never leave your device.

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Compress PDF

Shrink PDF file size by re-encoding pages as quality-controlled images — right in your browser, so none of your files leave your device.

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Edit PDF

Draw, highlight and add text to any page of a PDF and save the result — a lightweight markup editor that keeps your files on your device.

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Sign PDF

Draw or type your signature, then drag it onto the page and download the signed PDF — all in your browser with no uploads.

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Add Watermark to PDF

Stamp every page of a PDF with a text or image watermark at any angle and opacity, completely in your browser.

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Add Page Numbers

Number the pages of any PDF with your choice of position, start number and style — processed locally, private and free.

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Overlay PDF

Layer a second PDF on top of another — perfect for annotating templates, drafts and comparisons, entirely in your browser.

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Compare PDFs

Side-by-side page comparison plus word-level similarity scoring between two PDF versions — processed privately on your device.

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Optimize PDF for Web

Clean up metadata and compact the file structure of a PDF so it loads faster in browsers — done locally, with no uploads.

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Convert tools

PDF Converter

Turn any PDF into a plain-text or HTML file — fast, free and entirely in your browser. None of your documents ever leave your device.

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Images to PDF

Combine JPG, PNG, WebP and other images into a single PDF with adjustable page size and orientation — securely in your browser.

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PDF to Images

Export every page of a PDF as high-quality JPG or PNG images — as separate files or one zip. All rendered locally on your device.

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Extract Images from PDF

Pull every embedded photo and graphic out of a PDF as original-quality JPG or PNG files — instantly, in your browser.

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Webpage to PDF

Turn any web page into a clean PDF document. Paste a URL and download the page as a file — assembled in your browser.

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Security tools

Protect PDF

Lock a PDF with a password and optional copy/print restrictions — encryption applied right in your browser, never on a server.

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Unlock PDF

Remove the password from a protected PDF you have the password for — decrypted locally on your device, with nothing uploaded.

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Redact PDF

Permanently black out names, numbers and any sensitive text before sharing a document — redaction happens locally in your browser.

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Organize tools

Rotate PDF Pages

Permanently rotate one page, several, or every page of a PDF by 90 or 180 degrees — all within your browser.

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Remove PDF Pages

Delete unwanted pages from a PDF with visual page thumbnails — pick the pages and download the cleaned file, privately in your browser.

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Extract PDF Pages

Pull any selection of pages out of a PDF into a brand-new file, or split pages into separate PDFs — done locally, no uploads.

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Rearrange PDF Pages

Reorder the pages of a PDF by dragging thumbnails into a new order, then download the reorganized document — all in your browser.

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What is TinkerTools?

TinkerTools is a growing collection of fast, free utilities for everyday tasks — from counting words to merging PDFs. Every tool runs in your browser using open-source libraries like pdf-lib, so there is no server cost, no queue, and no reason to worry about where your files go: they never leave your device. More tools are added regularly, so check back often.