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Last Updated: 07-22-2026 03:01 AM (UTC)

BentoPDF

Merge, split, compress, convert, edit, annotate, redact, OCR, and sign PDFs - BentoPDF packs over 130 tools into a privacy-first toolkit that runs entirely in the browser through WebAssembly. Files are never uploaded - processing happens in browser memory on the user's machine and disappears when the tab closes, which makes the tool GDPR-clean by architecture and safe for financial, legal, and internal documents. The engine combines WASM builds of PyMuPDF, Ghostscript, and CoherentPDF; Tesseract handles OCR with searchable text-layer output; Office conversions cover Word, Excel, and PowerPoint; and digital signatures use X.509 certificates (PFX/PEM) with the private key staying on the client. Because there is no server-side processing, deployment is a static-file exercise: a single Docker container, or any static host. A dedicated self-hosted build strips the marketing pages while keeping every tool, and air-gapped deployments are first-class - an automated script bundles the WASM modules, OCR language data, and fonts for fully offline networks. No accounts, no limits, no watermarks; TypeScript and Vite under the hood.

BentoPDF

Benefits

  • Documents That Never Upload
  • Every operation runs in the user's browser via WebAssembly - contracts and financials are never transmitted, stored, or logged anywhere, eliminating breach exposure by design.
  • No Limits, No Watermarks, No Accounts
  • Online PDF services meter pages, stamp output, and rate-limit free tiers. BentoPDF processes unlimited files with clean output and no sign-up.
  • Trivial to Operate
  • With no server-side processing there is no queue, no worker fleet, and no scaling concern - the deployment is static files, and user hardware does the work.
  • Works Where the Internet Doesn't
  • First-class air-gap support bundles WASM modules, OCR data, and fonts for fully offline networks - fit for regulated and isolated environments.

Features

  • 130+ PDF Tools
  • Merge, split, compress, rotate, edit, annotate, redact, watermark, and convert - a full PDF workstation in one interface.
  • WebAssembly Engine
  • PyMuPDF, Ghostscript, and CoherentPDF compiled to WASM run professional-grade processing directly in the browser.
  • OCR with Searchable Output
  • Tesseract-based OCR produces searchable PDFs, with self-hostable language data and text-layer fonts.
  • Office Conversions
  • Word, Excel, and PowerPoint conversion in-browser using SharedArrayBuffer over a secure context.
  • Client-Side Digital Signatures
  • X.509 certificate signing (PFX/PEM) where the private key never leaves the device.
  • Clean Self-Hosted Build
  • A dedicated image without marketing pages, custom branding support, and an automated air-gap bundling script.