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PDF Studio

Cross-platform PDF editor for Windows, Mac and Linux, sold as Xodo PDF Studio.

Jobs Edit Merge Protect Sign View Convert OCR Compress Accessibility

Operated by Apryse Software Corp.

Visit PDF Studio

Opens the vendor's own site.

Jobs covered

Open a task to see exactly what the vendor documentation supports.

Edit Browse all edit tools

editing PDFs with PDF Studio, where the current product description documents content editing of text and images with inline text reflow, font, size and colour changes, interactive form design and filling, annotation and markup, page organisation, splitting and merging, and watermark and header/footer tools; the older Qoppa feature list describes PDF Studio Pro as including content editing of text and images, an interactive form designer, annotation and markup, page operations and redaction.

The scope records the documented existing-text and image editing, form, annotation and page operations on the installed Windows, macOS and Linux application, makes no layout-fidelity guarantee and does not merge the separate free PDF Studio Viewer or the Qoppa developer libraries into this record

Merge Browse all merge tools

merging supported input files, including PDFs, into a single PDF in PDF Studio through the Add Files or Add Folder workflow, with optional bookmarks for each merged document and results opened, appended or saved; not arbitrary formats beyond the documented Supported File Types list

Protect Browse all protect tools

setting, changing or removing a PDF's open password and permissions password and its permission restrictions in PDF Studio's Document Security settings, the change applying only once the document is saved; not certificates, DRM or specific encryption algorithms

Sign Browse all sign tools

signing PDFs with PDF Studio, where the current product comparison documents digitally signing PDF documents, certifying documents, adding digital IDs and applying visible or invisible signatures, and the older Qoppa feature list describes digital signatures with visible and invisible signatures authenticating document contents; the Xodo Sign add-on is a separate e-signing service. The scope records the documented digital-signature, certification, digital-ID and visible-or-invisible signature path in the desktop application, keeps Xodo Sign separate, and makes no certificate-authority issuance, trust-validation, timestamp or independent legal-validity guarantee

View Browse all view tools

viewing PDFs with PDF Studio, where the current product comparison documents viewing and printing PDFs with loupe, pan and zoom, rulers and grids, and the older Qoppa feature list lists loupe, pan, zoom and rulers among PDF Studio Pro features; the separate free PDF Studio Viewer is a different product and is not merged into this record. The scope records the documented open, read, search, navigation, zoom, loupe, ruler, grid and print functions of the PDF Studio editor on Windows, macOS and Linux, and makes no claim about the separate viewer product or a hosted viewing surface

Convert Browse all convert tools

converting documents with PDF Studio, where the current product comparison documents PDF to Word, Excel, PowerPoint, JPEG, PNG, TIFF, GIF, PDF/A, PDF/X and HTML5/SVG, scan-to-PDF, and the reverse conversions from Microsoft Word, Excel and PowerPoint and images to PDF, and the older Qoppa feature list documents conversion to and from Microsoft files, conversion to HTML, PDF/A and PDF/X support and batch processing. The scope records the documented conversion directions in the installed desktop application, makes no fidelity guarantee and does not claim a format that is not in those vendor lists

OCR Browse all ocr tools

running OCR with PDF Studio, where the current product comparison documents scanning and OCR to add searchable text and text recognition, and the PDF Studio knowledge base documents OCR of existing documents and scanned documents, adding searchable text to pages and OCR language packs installed through PDF Studio; the common documented languages are English, French, German, Spanish, Italian and Chinese Simplified and Traditional.

The scope records the documented OCR of existing PDFs and scanned documents into searchable text with installed language packs, and makes no accuracy guarantee and no fixed total language-count claim because the pages read list common languages and packages rather than a complete supported-language total

Compress Browse all compress tools

reducing PDF file size by optimizing specific parts of the PDF through PDF Studio's documented Optimizing PDFs tool

Accessibility Browse all accessibility tools

checking a document against PDF/UA standards with PDF Studio's PDF/UA Validation, and creating or editing document tags, alternative text, field tab order, form field tooltips and document reading properties for screen readers; the guide describes more accessible PDFs rather than a conformance guarantee

Where your files are processed

No server involved

Installed desktop application for Windows, macOS and Linux. The vendor also sells adjacent server and online products, but the editor itself runs locally.

It is a desktop application, and the vendor documents offline processing on the machine. That is a vendor statement rather than a tested guarantee that no server is involved.

The current vendor documentation distinguishes a watermarked free demo from a full-access watermark-free trial that requires a credit card, and monthly and yearly subscriptions are offered alongside perpetual licensing.

What it does

PDF Studio is a cross-platform desktop PDF editor for Windows, macOS and Linux, now sold as Xodo PDF Studio by Apryse Software Corp. and built on Apryse core libraries; the current version is Xodo PDF Studio 2026.0.0, released 31 March 2026. It edits existing PDF text and images with inline reflow, annotates and marks up, designs and fills forms, runs OCR to add searchable text, batch-processes files, converts to and from Microsoft Office formats, HTML, images, PDF/A and PDF/X, validates PDF/UA accessibility, optimises and sanitises PDFs, and applies visible or invisible digital signatures with certification.

It works offline and locally on the desktop. Xodo sells it as a USD 19.99 monthly subscription, a USD 9.99 per month yearly subscription, or a USD 240 per-user perpetual licence, with a credit-card trial and a watermarked free demo.

The separate free PDF Studio Viewer and Qoppa developer libraries are not part of this record.

Best for

Windows, macOS and Linux users who want one licence covering two machines across different operating systems and prefer a one-time fee to a subscription.

Worth knowing

The current Xodo PDF Studio end user licence names Apryse Software Corp. as licensor, while the Xodo website terms and privacy notice name Apryse Software Inc., and the legacy Qoppa EULA still names Qoppa Software; those first-party documents do not reconcile the entity names, so the owner uses the current product EULA licensor and the other surfaces are recorded separately rather than silently merged. Pricing is USD only: USD 19.99 per month, USD 9.99 per month on the yearly plan billed annually, and USD 240 per user for a perpetual licence, with volume discounts; the previously recorded GBP 14.83 per month was a synthetic conversion of the USD 19.99 figure, so it is removed, priceFromGbp is null and priceBasis is unknown, and no conversion is used.

The free demo saves with watermarks and the free trial requires a credit card, so this is not a free product. The product has been rebranded from Qoppa PDF Studio to Xodo PDF Studio, and the separate free PDF Studio Viewer is a different product that is not merged into this record.

Core editing, OCR and conversion are local and offline; the Xodo Sign add-on is a separate e-signing service, and the record makes no cloud-processing claim for the desktop editor. Redaction removes page content but form fields and annotations need a separate documented procedure; sanitisation is a separate workflow and the vendor claims are recorded rather than presented as an independent security test.

Digital signatures are visible or invisible signatures with certification and digital IDs; no certificate-authority issuance, trust-validation or independent legal-validity guarantee is made. OCR language support is installed through language packs, with the common languages documented as English, French, German, Spanish, Italian and Chinese Simplified and Traditional, and no accuracy guarantee or fixed total language count is asserted.

Conversion and OCR have no fidelity or accuracy guarantee. Each user licence may be used on two machines of any operating system, as previously recorded.

Details, and where each comes from

Vendor statements, our own reading of their pages, and the things nobody has established yet, each answered separately. Where we have not confirmed something it says so rather than guessing, and a row nobody has established is greyed out.

Versions covered
Windows · macOS · Linux
Website
xodo.com
Requires an account
Not verified
Free tier
No
Watermark on trial output
Not verified
Maximum file size
Not verified
Batch processing
Yes
Data residency
Not verified
Open source
No
Self-hostable
No
Licence
Proprietary.

Proprietary. The current Xodo PDF Studio End User License Agreement, last modified 21 November 2025, names Apryse Software Corp., 530 Harrison Ave, Second Floor, Boston, MA 02118 USA, as the Licensor, is governed by the laws of the State of Delaware and offers subscription and perpetual licences.

The Xodo website terms and privacy notice separately name Apryse Software Inc., and the legacy Qoppa PDF Studio EULA still names Qoppa Software and is governed by Delaware law. The three first-party documents do not reconcile the Corp., Inc. and Qoppa naming, so the owner field uses the current product EULA licensor, Apryse Software Corp., and the other two surfaces are recorded in the licence and watchOutFor rather than merged into it.

Current Xodo pricing is published in USD only: a monthly subscription at USD 19.99, a yearly subscription at USD 9.99 per month billed annually, and a perpetual licence at USD 240 per user, with volume discounts. The free demo saves documents with watermarks, and the free trial requires a credit card.

No GBP price is published, so no GBP figure is asserted and no currency conversion is used. The software is proprietary with no open-source licence.

Redaction
Removes the content
Programmatic access
None
Last availability check
Responded in 400 ms 21 October 2026

Checked automatically by our own runner, not reported by the vendor. 100% of our last 30 checks got a response.

What the redaction verdict rests on

From the vendor's own documentation, read 22 September 2026. Not tested by us.

“This is why it’s extremely important to use the proper redaction tools, like those provided in PDF Studio, that will remove the underlying content rather than only blurring it.”

What that does not establish

The vendor’s own knowledge-base article, not a test we ran, and it is dated 17 February 2017 - so it describes the product as it was then, and nothing here establishes that the current release behaves identically. The claim is also comparative: it says PDF Studio removes where pixelation does not, which is not the same as describing how it removes.

https://kbpdfstudio.qoppa.com/why-pure-redaction-is-better-than-pixelating-or-blurring/

What the vendor says

Claims are labelled rather than repeated as fact. Where we have checked something ourselves, it says so and shows when. Checked means we read the vendor's own page and it says what we recorded - not that we tested the behaviour, unless the note says we did.

  • “This is why it's extremely important to use the proper redaction tools, like those provided in PDF Studio, that will remove the underlying content rather than only blurring it.”

    Checked by us - the source says this Read 22 September 2026

    Confirmed verbatim. The article says: "This is why it's extremely important to use the proper redaction tools, like those provided in PDF Studio, that will remove the underlying content rather than only blurring it." The claim is that sentence unaltered, and the surrounding argument - that pixelated or blurred text can be recovered - is the reason it gives.

    Worth recording what kind of source this is: it is a February 2017 opinion piece about why blurring is unsafe, not product documentation, so it supports what Qoppa claims PDF Studio does rather than what it has been observed to do. Their own linked how-to, 'How to Properly Redact a PDF', is the operational page and was not read for this claim.

    Standing: Re-read and matched byte for byte

    Check it yourself: the source, the SHA-256, and how we checked
    Read
    https://kbpdfstudio.qoppa.com/why-pure-redaction-is-better-than-pixelating-or-blurring/
    From
    the text a browser renders
    SHA-256
    49ee42eb1b32e98caf806a99ee93853176db3cf7502d866d6e3a6d36cd17f0cc

    How we checked

    Re-verified verbatim on 2026-09-22: https://kbpdfstudio.qoppa.com/why-pure-redaction-is-better-than-pixelating-or-blurring/ re-rendered in headless Chrome with scripts/render-page.mjs and the claim's wording found in the rendered text. Originally verified on 2026-09-21. sourceHash is the SHA-256 of the re-rendered text, held as rv-kbpdfstudio-qoppa-com-why-pure-redaction-is-better-than-pi-94f8e0c0.txt.

    What this hash proves, and what it does not

  • “1/3 the price of Adobe Acrobat. Deploy to more users for same price”

    Checked by us - the source says this Read 22 September 2026

    Confirmed verbatim: both halves appear unaltered as one line of the page's summary, and the fuller sentence above it corroborates the pricing comparison - "at one third the price of Adobe® Acrobat® and maintains full compatibility with the Adobe PDF Standards". The claim is a comparative price assertion, which means it is checkable in principle against Adobe's published list price and is not checked here; neither figure appears on this page, and none was sought, because the claim's own source states the ratio rather than the numbers.

    The second half, "Deploy to more users for same price", is a licensing-structure claim rather than a price one. Recorded as the vendor's wording; no purchase was made and no control was run.

    Standing: Re-read and matched byte for byte

    Check it yourself: the source, the SHA-256, and how we checked
    Read
    https://www.qoppa.com/pdfstudio/
    From
    the text a browser renders
    SHA-256
    ce87b724e7058829e0ce4d1df9e857d90357790772bea5c696125db60898f5fa

    How we checked

    Re-verified verbatim on 2026-09-22: https://www.qoppa.com/pdfstudio/ re-rendered in headless Chrome with scripts/render-page.mjs and the claim's wording found in the rendered text. Originally verified on 2026-09-21. sourceHash is the SHA-256 of the re-rendered text, held as rv-www-qoppa-com-pdfstudio-6869ce41.txt.

    What this hash proves, and what it does not

Each claim is quoted from the vendor's own pages. This section describes what we have and have not checked - it is not a judgement about anyone.

Sponsorship is distribution, not an endorsement or a promise of search rankings, AI citations, traffic, or sales. This listing is a free entry, compiled from published sources.

Visit PDF Studio Report a problem

Related reading

How this record was put together

Editorial review.
No editor has signed this record off. That is not the same as nothing having been checked, and the lines below say what has.
Source reading.
2 claims taken from the vendor's own pages, read between 22 September 2026 and 22 September 2026.
Website availability.
The vendor's site was last checked on 21 October 2026.
Behaviour testing.
We ran this ourselves. The file handling was watched directly.

Sources: qoppa.com (product page, buy page); the Qoppa knowledge base on pure redaction and how to redact; xodo.com/pdf-studio. Vendor claims, not independently verified.