Free PDF Sign and Fill, No Account, No Email Capture

A new client emails you a one-page services agreement. Sign, send back, move on. So you Google "free pdf sign and fill," click DocuSign, and twenty seconds later you are filling out a registration form that wants your phone number.

The pattern repeats. NDAs before job interviews. Lease renewals. W-9s for new clients. Permission slips for the kid's field trip. Each one is a single PDF and a signature, and each one ends with you handing your email to another company that keeps a copy of your signed contract on its servers, indefinitely, by default.

There is a smaller, less invasive way.

Two problems hiding under one search

"Sign and fill" sounds like one task. It is two, and the difference matters.

Signing means stamping a signature image onto a finished document. The text is locked. You drop a signature, maybe initial a few pages, maybe add a date. Done.

Filling depends on how the form was made:

• Real PDF form fields (AcroForms) — most IRS, USCIS, and DMV forms ship like this. The PDF has actual interactive fields you click and type into. Modern browsers and any decent PDF reader will let you fill them directly.
• Flat or scanned forms — your landlord scanned a paper lease and emailed the result. There are no fields. It is a picture of a form. Filling means placing text boxes on top, which is annotation, not form-fill.

Knowing which case you are in saves a lot of hair-pulling. Click on a field, nothing happens? You have a flat form. You need an annotation tool, not a fillable-form tool.

OxygenPDF splits these into separate tools so the right one is obvious: /tools/sign-pdf for signatures, /tools/edit-pdf for annotating flat forms, and /tools/create-fillable-pdf when you want to convert a flat form into real AcroForm fields once and reuse it.

Yes, e-signatures are legally binding

The legal question comes up every time. The answer is straightforward.

In the United States, the ESIGN Act took effect on October 1, 2000. Its core principle: a contract may not be denied legal effect, validity, or enforceability solely because an electronic signature was used. Four practical requirements: intent to sign, consent to do business electronically, association of the signature with the record, and record retention. Wills, adoption papers, and a handful of court notices are excluded. Most everyday contracts are not.

In the European Union, eIDAS Regulation 910/2014 defines three tiers of electronic signature: Simple, Advanced, and Qualified. Only Qualified is automatically legal-equivalent across all member states. For the freelance contracts and NDAs most people sign, Simple is sufficient and admissible.

What about courts? Federal Rule of Evidence 901 governs admissibility, and the standard is that you produce evidence the document is what you claim it is (Fenwick analysis). For a one-off contract, the document plus the email exchange plus your records usually clears that bar. For a seven-figure deal, pay for a service that produces a tamper-evident audit trail.

What the marketing pages bury

When you sign through DocuSign, DocuSign keeps a copy. By default, indefinitely. Their own help page is unambiguous: "Documents are automatically retained in your account indefinitely as long as the account is active" (DocuSign support). The same page lists their five regional data centers and notes the ongoing migration to Microsoft Azure (DocuSign privacy).

The documents are encrypted. The company holds the keys. They have a copy of every contract you ever signed, with your signature image attached, indexed by your email, sitting on infrastructure they control.

For an enterprise sales team, that retention is a feature. For a freelancer signing an invoice contract, it is a liability dressed up as convenience.

What this currently costs

Numbers as of April 2026:

• DocuSign Personal: $10/month annual, $15/month-to-month. Standard tier is $25/user/month; Business Pro is $40/user/month (eversign breakdown). The free trial caps at 5 envelopes per month and requires email signup.
• Adobe Acrobat Standard: $12.99/month for individuals, with a price increase that landed April 1, 2026. Acrobat's free Fill & Sign supports basic typing and signature placement but excludes audit trails, multi-party sending, and templates.
• Smallpdf eSign: 2 eSign operations per day on free tier, then a 7-day full trial.
• Dropbox Sign (HelloSign): 3 signature requests per month free.
• SignWell: 3 signed documents per month free.

The market itself is mainstream. 95% of businesses have either deployed e-signature technology or have implementation plans, and 79% of agreements are signed within 24 hours when an e-signature tool is in the loop. The pricing assumes you are a salesperson or a lawyer. There is a gap between "I sign two contracts a month" and "I run a 200-person sales org," and that gap is what most of these tools refuse to serve cleanly.

How OxygenPDF does it

The PDF loads into your browser memory through pdf.js. Your signature, drawn with a mouse or finger, typed in a script font, or uploaded as a PNG, is rendered into the PDF bytes locally. The result is a download. No upload. No account. No retention policy because there is nothing to retain.

To sign a contract:

1. Open /tools/sign-pdf.
2. Drop the PDF. Draw or type your signature. Place it on the page.
3. Download. Email it back.

To fill a flat scanned form:

1. Open /tools/edit-pdf.
2. Drop the PDF. Click anywhere to add a text box. Type.
3. Download.

To turn a flat form into reusable fillable fields:

1. Open /tools/create-fillable-pdf.
2. Drop the PDF. Drag rectangles where the fields should be.
3. Download a real AcroForm anyone can fill.

The honest trade-off

OxygenPDF does not produce an audit trail. There is no timestamp from a Qualified Trust Service Provider, no tamper-evident certificate, no multi-party orchestration. For a freelance contract or an NDA, the ESIGN Act's four requirements are still satisfied through the document, the email thread, and your normal records. For a deal you might litigate, use a service with audit trails.

This replaces the printer-scanner-email loop. Not the corporate procurement workflow. Different problem, different tools.

The freelance contract, the lease, the W-9, the NDA — none of those need a $40-a-month subscription or a stranger's server. They need a signature you control and a download you keep. That is what /tools/sign-pdf is for.