Utility tools directory

Cluster entry points

Start with the cluster that matches your task, then follow linked tools and guides.

Browse by workflow

Tool directory

This server-rendered list keeps core tools visible and crawlable. All links below are standard anchors to individual tool pages.

• Add Watermark to PDF

  Apply text or image watermarks to PDF pages locally with opacity, position, size, and review-copy controls.

  Open tool

• Annotate PDF

  Annotate PDF pages locally with pen, highlight, and text tools in a browser review workspace.

  Open tool

• Base64 Encode / Decode

  Encode text or files to Base64 and decode Base64 back into text or downloadable files locally in your browser.

  Open tool

• Compare PDF Files

  Compare two PDFs locally with page-by-page text differences, visual review cues, and a downloadable comparison report.

  Open tool

• Compress PDF

  Optimise PDF size locally with light, medium, and strong compression modes.

  Open tool

• Convert PDF

  Convert PDF pages to images or export extracted text locally in your browser.

  Open tool

• DNS Lookup

  Query A, AAAA, and MX records through Cloudflare DNS-over-HTTPS directly from your browser.

  Open tool

• Extract Pages

  Extract selected pages into a new local PDF file.

  Open tool

• File Hash / Checksum

  Compute SHA-256, MD5, SHA-1, and SHA-512 checksums for local files in your browser.

  Open tool

• Fill PDF Forms

  Fill AcroForm fields locally, then export either a flattened share copy or editable output.

  Open tool

• HTML to PDF

  Convert pasted HTML or URL-fetched web content into PDF locally with best-effort rendering and text fallback.

  Open tool

• Image Compressor / Optimizer

  Compress JPG, PNG, and WebP images locally with quality controls, before/after preview, and batch download support.

  Open tool

• JPG to PDF

  Combine JPG, JPEG, or PNG images into one PDF locally with layout controls.

  Open tool

• JSON Formatter & Validator

  Format, validate, and minify JSON locally in your browser with no upload step.

  Open tool

• Merge PDFs

  Combine multiple PDF files into one document locally in your browser.

  Open tool

• OCR PDF

  Run best-effort OCR locally and export searchable text output for scanned PDFs without a cloud upload step.

  Open tool

• PDF to Excel

  Extract table-like data from PDFs locally and export spreadsheet-ready output for Excel cleanup and analysis.

  Open tool

• PDF to HTML

  Convert PDF files to HTML locally with extracted text and browser-friendly output for reuse or inspection.

  Open tool

• PDF to JPG

  Convert PDF pages to JPG images locally with quality, scale, and page-range controls.

  Open tool

• PDF to Markdown

  Convert PDF text to structured Markdown locally with best-effort heading, list, and reading-order detection.

  Open tool

• PDF to PowerPoint

  Convert each PDF page to an image-based PowerPoint slide locally in your browser for quick presentation reuse.

  Open tool

• PDF to Word

  Extract PDF text locally and export a best-effort editable DOCX file.

  Open tool

• Ping Test

  Measure browser-side WebSocket connect time and echo latency with public endpoints.

  Open tool

• Plain Hardware-Accelerated Batch Engine

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

  Open tool

• Plain Irreversible Redactor

  Burn in redaction regions and rebuild pages for irreversible removal.

  Open tool

• Plain Local Cryptographic Signer

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

  Open tool

• Plain Metadata Purge

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

  Open tool

• Plain Offline OCR Pipeline

  Generate searchable PDFs from image-based pages fully locally for privacy-sensitive OCR workflows.

  Open tool

• Plain Password Breaker

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

  Open tool

• Plain Privacy Risk Scanner

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

  Open tool

• Plain Real-Time Compression Previewer

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

  Open tool

• Plain WebGPU Page Organiser

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

  Open tool

• Protect PDF

  Password-protect PDFs locally so the shared copy requires the key you set to open it.

  Open tool

• Q&A on PDF

  Ask focused questions about extracted PDF text using Claude.

  Open tool

• QR Code Generator

  Generate QR codes for links or text locally with size, error correction, and colour controls.

  Open tool

• QR Code Scanner

  Scan QR codes from camera preview or uploaded images locally in your browser with no uploads.

  Open tool

• Regex Tester & Debugger

  Test regular expressions with live match previews locally in your browser.

  Open tool

• Reorder Pages

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

  Open tool

• Rotate PDF Pages

  Rotate individual pages or all pages in a PDF locally with thumbnail preview controls.

  Open tool

• Sign PDF

  Place a visual signature on a PDF locally using draw, type, or image-based signature controls.

  Open tool

• Site Status Checker

  Run a direct browser HEAD request to inspect status code and response timing for a URL.

  Open tool

• Split PDF

  Split one PDF by ranges, extracted pages, or single-page outputs without uploads.

  Open tool

• Suggest Edits

  Get rewrite suggestions for selected PDF text sections via Claude.

  Open tool

• Summarize PDF

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

  Open tool

• Text to PDF

  Convert plain text or Markdown into a local PDF using browser-side processing with no uploads or account step.

  Open tool

• Unlock PDF

  Unlock password-protected PDFs locally when you have the correct password and need an accessible copy.

  Open tool

• UUID Generator

  Generate UUID v4 and v7 identifiers instantly in your browser for local development workflows.

  Open tool

• What Is My IP

  Check the public IP your browser exposes and review connection hints without a Plain Tools proxy.

  Open tool

• Word to PDF

  Convert DOCX files to PDF in your browser with best-effort layout preservation.

  Open tool

• ZIP Extract & Create

  Extract ZIP archives and create ZIP bundles locally in your browser without uploading files.

  Open tool

Popular search landing pages

These high-intent routes match common search queries directly while still using the same local tool workflows underneath.

Problem-led routes

These pages answer specific situations such as Mac workflows, secure handling, no-upload conversion, and large scanned files.

Variant pages

These nested routes target real modifier searches such as for-email, under-1mb, offline, no-upload, searchable, and form-specific workflows.

Related guides

Use these practical guides to choose the right tool settings, verify local processing, and avoid common PDF workflow mistakes.

• Compress PDF without losing quality

  Practical steps for balancing PDF size reduction and readable output.

• How to verify a PDF tool does not upload your files

  Use DevTools and repeatable checks to validate local processing claims.

• No uploads explained

  Understand what no-upload processing means in real browser workflows.

• How to merge PDFs offline

  A straightforward merge workflow for sensitive document handling.

• Password-protect PDF before emailing

  Protect the share copy locally, then hand off the password through a separate route.

• Make scanned PDF searchable for records

  Turn scanned records into searchable working copies while preserving the original scan.

First-wave traffic pages

This curated set captures high-intent utility demand across tools, status checks, guides, and comparisons.