PDF Tools | Plain Tools

Tool Catalogue

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Merge PDFs

Combine multiple PDF files into a single document locally.

Split PDF

Split one PDF into selected page ranges without uploads.

Compress PDF

Reduce PDF size with local, adjustable compression.

Reorder Pages

Drag, reorder, extract, delete, and rotate pages locally.

Extract Pages

Extract selected pages into a new local PDF file.

Convert PDF

Convert PDF pages to images or extract text locally.

Fill PDF Forms

Fill AcroForm fields locally, then export flattened or editable output.

Plain Metadata Purge

Remove XMP, info dictionary, and custom metadata fields locally.

Plain Irreversible Redactor

Burn in redaction regions and rebuild pages for irreversible removal.

Plain Local Cryptographic Signer

Apply visual and cryptographic PDF signatures locally with built-in verification workflow.

Plain Password Breaker

Attempt local password unlock with known key and bounded brute-force.

Plain Privacy Risk Scanner

Scan for PII risk patterns and generate redaction-ready annotations.

Plain WebGPU Page Organiser

Organise pages with local thumbnail previews, drag reorder, and bulk edit controls.

Plain Hardware-Accelerated Batch Engine

Run merge, compress, split, and convert workflows in a parallel local worker pool.

Plain Offline OCR Pipeline

Generate searchable PDFs from image-based pages fully locally.

Plain Real-Time Compression Previewer

Render side-by-side previews and produce final compressed output.

Text sent to server (opt-in)

Summarize PDF

Extract text locally and request a Claude summary with opt-in.

Text sent to server (opt-in)

Q&A on PDF

Ask focused questions about extracted PDF text using Claude.

Text sent to server (opt-in)

Suggest Edits

Get rewrite suggestions for selected PDF text sections via Claude.

Plain provides offline PDF tools designed for privacy-conscious users. All tools run locally in the browser without uploading files to external servers.