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Certyneo
Free tools

Free tools to prepare your move to electronic signature

Calculators and tools accessible without registration. Measure your ROI or audit your eIDAS compliance in minutes.

Free tools to prepare your move to electronic signature

Online PDF reader

Read, search and print a PDF in your browser, including password-protected files. The file never leaves your device.

Open a PDF

Merge PDF

Combine several PDFs into a single document, in the order you choose. Merging runs 100% in your browser, without sending your files.

Merge PDFs

Split PDF

Cut a PDF by page ranges or extract the useful pages into separate files. Processed 100% in your browser.

Split a PDF

Organise PDF pages

Move, rotate or delete the pages of a PDF by drag and drop, then save a clean document. Nothing is uploaded.

Organise a PDF

Compress PDF

Shrink a PDF that is too heavy for email, losslessly or more strongly while keeping the text selectable. Compression runs 100% in your browser.

Compress a PDF

Protect PDF

Add a password to a PDF before sending it, or remove the password from a file whose code you know. Encryption runs 100% on your device.

Protect a PDF

Image to PDF

Convert JPG, PNG or WebP photos, screenshots or scans into a single PDF, one image per page. Your images stay on your device.

Convert to PDF

Fill in a PDF form

Fill in the fields of an official form or a contract, tick the boxes, then save — or lock the form. Everything stays on your device.

Fill in a form

Add a watermark

Write « CONFIDENTIAL », « COPY » or the recipient's name diagonally, on one page or all of them. Everything stays on your device.

Add a watermark

Bates numbering

A unique, sequential identifier on every page of a legal production. Everything stays on your device.

Number the pages

Create a form

Turn a print-only PDF into a form that fills in from the keyboard. Everything stays on your device.

Create a form

Extract text

Get a PDF's text, or its tables as a spreadsheet file. Everything stays on your device.

Extract the content

Convert PDF to Word

An editable Word document or Excel workbook, or a PDF/A archive copy. Nothing is uploaded.

Convert a PDF

Batch processing

Compress or protect several PDFs at once and get an archive back. One unreadable file does not sink the batch.

Process a batch

Word to PDF

Convert a Word document (.docx) to PDF in your browser: headings, tables, images and headers carried over, searchable text. Nothing is uploaded.

Convert a Word file

Excel to PDF

Print an Excel workbook (.xlsx) to PDF: number and date formats, merged cells, print area and repeated header row. Everything stays on your device.

Convert an Excel file

PowerPoint to PDF

One page per slide, at the presentation's size: backgrounds, shapes, images and tables. Ideal for sending a deck that looks the same everywhere.

Convert a PowerPoint

HEIC to PDF

Turn the HEIC photos from your iPhone into a single PDF, one photo per page, with no app and nothing sent to a server.

Convert HEIC photos

Delete pages from a PDF

Type the numbers of the pages to remove, for example 2, 5-9, and save a slimmer PDF. Free, no account, no upload.

Delete pages

Extract pages from a PDF

Copy only the pages you need into a new PDF, without touching the original document. Everything happens in your browser.

Extract pages

Add a page to a PDF

Insert blank pages, another PDF, a Word file or a photo wherever you want in a document. The file stays on your device.

Add pages

Rotate a PDF

Straighten an upside-down scan or a landscape page: the whole document or a few pages, by a quarter or half turn, saved in the file.

Rotate

Crop a PDF

Remove white margins automatically or to the millimeter, or switch a document to A4, A5 or Letter size. Nothing is uploaded.

Crop a PDF

Add page numbers to a PDF

Add “3 / 12” or “Page 3 of 12” at the top or bottom of every page, skipping the cover if needed. Free, nothing sent.

Add page numbers

Edit the text of a PDF

Retype a date, a name or an amount in a PDF, or add text anywhere on the page. Editing runs 100% in your browser.

Edit a PDF

Annotate PDF

Highlight, comment, draw or stamp a PDF, with standard annotations every reader can display. Nothing is uploaded.

Annotate a PDF

Redact PDF

Black out sensitive information in a PDF and truly remove the hidden text before sharing it. Processed 100% on your device.

Redact a PDF

PDF OCR

Make a scanned PDF searchable: text recognised in French and English is added to each page. OCR runs 100% in your browser.

Run OCR

Compare PDFs

Spot the lines added and removed between two versions of a PDF, page by page. Comparison runs 100% in your browser.

Compare PDFs

Check if a PDF has been modified

Spot signs of tampering in an invoice, bank details or a contract: retyped amount, hidden text, changes after signing. Analysis runs 100% locally.

Analyse a PDF

ROI calculator

Estimate your annual savings, time saved and return on investment with electronic signature — in 30 seconds.

Run the calculator

eIDAS checklist

Audit your signing-process compliance against the eIDAS regulation — SES, AES, QES, evidentiary archiving, GDPR.

Start the checklist

Verifying a document

Check if a file was sealed in a evidence-based safe and when, using its SHA-256 signature.

Verifying a document

Certyneo Community

A question about electronic signatures?

Join the Certyneo community: ask your questions, share your answers and connect with thousands of users and our team.

Convinced? Take the next step

Create a free account to send your first documents for electronic signature, or talk to our team about a specific use case.

Create a free account