SwiftPDFLab vs BentoPDF: Two Client-Side PDF Toolkits
SwiftPDFLab and BentoPDF both process PDFs in your browser, so your files stay on your device with either tool. This balanced comparison looks at where each one excels — and where the other is the stronger choice.
First, What They Share
Unlike cloud editors that upload your documents to a server, both SwiftPDFLab and BentoPDF are browser-local tools. That shared design means the choice comes down to features, workflow and licensing — not to which one keeps your files local.
SwiftPDFLab
Hosted, proprietary toolkit
- Client-side processing in your browser
- A unified hosted editor plus 100+ standalone tools
- Free to use, no account required
- Measurement, annotation, redaction and OCR tooling
BentoPDF
Open-source, self-hostable
- Client-side processing in your browser
- True in-place editing of existing PDF text
- Open-source code you can inspect and self-host
- Workflow builder, Bates numbering and find/replace
Feature-by-Feature Comparison
A factual side-by-side look. Both are client-side; the differences are in editing depth, document tooling and licensing.
| Capability | SwiftPDFLab | BentoPDF |
|---|---|---|
| Processing location | In your browser (client-side) | In your browser (client-side) |
| Files uploaded to a server for processing | No | No |
| Unified PDF editor | Yes — hosted, proprietary | Yes — open-source |
| Standalone tool catalogue | 100+ tools | Broad tool set |
| True in-place text editing (reflow existing text) | No — text is added as annotations | Yes |
| Find & replace | No | Yes |
| Spellcheck | No | Yes |
| Measurement tools (distance / area / perimeter) | Yes | No |
| Annotations (highlight, underline, strikethrough) | Yes | Yes |
| Signatures (draw / type / upload) | Yes | Yes |
| Batch workflow builder / automation | No | Yes |
| Bates numbering | No | Yes |
| Open source / self-hosting | No — proprietary hosted service | Yes — self-host or use hosted |
| Price | Free | Free |
Feature sets evolve over time. This table reflects publicly documented capabilities as of 2026 and focuses on the differences most relevant to choosing between the two.
Where Each One Shines
SwiftPDFLab strengths
- A unified hosted editor for annotation, signatures, redaction and forms
- Measurement tools for distance, area and perimeter
- Secure redaction that permanently removes sensitive content
- Page labels, bookmarks and auto table of contents
- OCR to make scanned PDFs searchable, and PDF comparison
- A catalogue of 100+ standalone tools: merge, split, compress, convert, encrypt and more
- Touch and mobile editing, and offline use after the first load
BentoPDF strengths
- True in-place editing of existing PDF text with reflow
- Find & replace across a document
- Built-in spellcheck while editing
- Stronger image and object manipulation in its editor
- A batch workflow builder for repeatable, automated pipelines
- Bates numbering for legal and multi-document sets
- Duplex and collation options for print preparation
- Open-source code with self-hosting options
Licensing & hosting
SwiftPDFLab is a proprietary product that is free to use as a hosted service maintained by Teamz360 LLC. BentoPDF is open-source software you can inspect, modify and self-host, and it also offers a hosted site. Neither model is inherently more private for standard client-side operations — both process your files in the browser. The practical difference is control: choose SwiftPDFLab for a maintained hosted toolkit with measurement, annotation and redaction tools, or BentoPDF if you want open-source code you can run and extend yourself, with true text editing and workflow automation.
The Verdict: Two Strong Tools for Different Needs
Because both are client-side, you are not trading away privacy by choosing either one. Pick BentoPDF if you need true in-place text editing, find & replace, spellcheck, batch workflows or the freedom to self-host open-source code.
Pick SwiftPDFLab if you want a single hosted editor for annotation, signatures, secure redaction and forms, plus measurement tools, OCR, bookmarks, PDF comparison and a catalogue of 100+ standalone tools — all free and private in your browser.
Try the SwiftPDFLab Editor FreeFrequently Asked Questions
Is BentoPDF a client-side tool like SwiftPDFLab?
Yes. Both SwiftPDFLab and BentoPDF process PDFs in your browser using client-side technology, so for standard operations your files stay on your device with either tool rather than being uploaded to a server for processing.
What is the main difference between SwiftPDFLab and BentoPDF?
BentoPDF focuses on true in-place editing of existing PDF text, find and replace, spellcheck, a batch workflow builder, Bates numbering, and open-source self-hosting. SwiftPDFLab focuses on a unified hosted editor with measurement tools (distance, area, perimeter), secure redaction, page labels, OCR, bookmarks and table of contents, PDF comparison, and a catalogue of 100+ standalone tools.
Does SwiftPDFLab edit existing PDF text like BentoPDF?
SwiftPDFLab's editor adds and formats text as annotations — including text boxes, highlight, underline and strikethrough — rather than reflowing existing paragraph text. If you need to rewrite existing body text in place, that is currently a BentoPDF strength.
Which tool is more private?
Both keep processing in the browser, so neither uploads your files for standard client-side operations. Privacy is comparable for typical use. Choose based on features, licensing, and whether you prefer a maintained hosted product or software you can self-host.
Is BentoPDF open source and free?
BentoPDF is open-source software that you can inspect, modify and self-host, and it also offers a hosted site. SwiftPDFLab is a proprietary product that is free to use as a hosted service. Both are free to use.
Full-Featured PDF Editor
Annotate, sign, redact, measure, add page labels, underline & strikethrough text, OCR, compare PDFs, and more — right in your browser. No uploads, no accounts, no sign-ups.
45+ professional tools · 100% private · Works offline
Annotate
Highlight, draw & shapes
Sign
Draw, type, or upload
Organize Pages
Reorder, delete & insert
Fill Forms
Complete PDF forms easily
Redact
Black out sensitive content
Measure
Distance, area & perimeter
Flatten & Labels
Bake annotations & label pages
Search Text
Find text within your PDF
OCR PDF
Make scans searchable
Bookmarks & TOC
Navigation & contents
Compare PDFs
Side-by-side differences
Encrypt PDF
AES-256 password protection
100% Private — Files never leave your device