Others stop
at 25 MB.
We don't.
BuiltSign handles documents up to 1 GB. Legally binding via eIDAS. Add signers, send the link. No account needed for signers.
1GB+
Uploads
vs 25MB industry average
Sign for free
No account needed
eIDAS SES
Legally valid in the EU
Powered by trusted infrastructure
How it works
Three steps. That's it.
Upload your document
Drag and drop any document: PDFs, contracts, agreements, up to 1GB. Encrypted from the moment it leaves your device.
Drag & drop or click to browseAdd signatures
Place signature fields, add dates and initials. Sign yourself or invite others by email. They don't need an account.
Legally binding e-signatureSend & track
Send with one click. Everyone gets a secure link. You'll see exactly who signed and when, with a full audit trail.
Real-time notificationsFor every document that needs a signature
Digital signing
Everything about legally valid digital signing.
Quote
Faster deals: clients sign your quote online.
Contract
Sign contracts without printing and scanning.
Put your signature on any PDF, large or small.
Employment contract
Get new hires on board faster.
No lag.
No waiting.
Just signing.
< 1s
Upload speed
100%
PDF quality preserved
1GB+
File Support
99.5%
Uptime
Every document is proof. Yours too.
BuiltSign does not just collect signatures. It builds a verifiable record that holds up when it matters.
Audit certificate
Every signed document gets its own tamper-proof certificate with timestamps, IP addresses, and a cryptographic hash.
How the certificate worksIdentity verification
Optionally confirm who signed using government-issued ID before the first field is filled. The result is embedded in the certificate.
Learn about ID verificationLegal validity across the EU
BuiltSign signatures are legally valid in all 27 EU member states under the eIDAS Regulation.
Read the legal basisPrivacy and data protection
GDPR and WPG compliant. Minimum data. EU infrastructure. Clear retention periods. A DPA is available on request.
How we handle dataVerify any signature for free
Anyone can check the authenticity of a BuiltSign certificate without an account.
Why BuiltSign
Larger files, smarter uploads
Where other tools stop at 40MB, BuiltSign goes up to 1GB+, with PDF merging, bulk uploads, and AES-256 + TLS 1.3 encryption.
BuiltSign wins on 7 of 8 points
| Other tools | BuiltSign | |
|---|---|---|
| Max file size | Up to 40 MB | Up to 1GB |
| Merge PDFs into one | Limited or none | Up to 50 docs (Enterprise) |
| Upload multiple PDFs at once | One at a time | 3-50 at once |
| Large PDF support | ||
| No account needed for signers | ||
| EU hosting & GDPR compliant | Not always | |
| Fast large-file upload | ||
| Security | Basic | AES-256 + TLS 1.3 |
BuiltSign wins on 7 of 8 points
Simple pricing, no surprises
One flat rate. No per-envelope fees. Upgrade or cancel anytime.
Signers always sign for free. Only senders need a plan.
Pro
For professionals who send documents regularly
€ 249,00 billed yearly
Save 31%Save € 110,88/year with annual billing
80 MB
per document
15
requests per month
- 15 signing requests/month
- 1 user included, up to 3 (extra seat €15.99/month)
- Up to 200 signature & initials fields per document
- Documents up to 80 MB
- Upload & merge up to 3 documents at once
- 2 GB storage
- 5 templates
- 50 saved signers
- Basic audit certificates
- ID verification (€0.75 per check, 3 free to try)
- Email support (reply within 24 hours)
ID verification is optional. Business includes 5 checks per month and Enterprise 20 per seat; beyond that it is €0.75 per check.
Business
For teams that need more power and branding
€ 499,00 billed yearly
Save 17%Save € 100,88/year with annual billing
250 MB
per document
30
requests per month
- Everything in Pro, plus:
- 2× more signing requests (30/month)
- 1 user included, up to 5 (extra seat €20.99/month)
- 5 ID verifications per month included
- 25 templates & 250 saved signers
- Up to 500 signature & initials fields per document
- Documents up to 250 MB & 10 GB storage
- Extended audit certificates
- Custom branding (logo & colours)
- Priority support (reply within 12 hours)
ID verification is optional. Business includes 5 checks per month and Enterprise 20 per seat; beyond that it is €0.75 per check.
Enterprise
For teams and organizations
Tailored to your needs
1 GB
per document
50 per seat
requests per month
- Everything in Business, plus:
- Unlimited signature & initials fields per document
- 50 signing requests per seat/month & 100 GB storage
- Documents up to 1 GB
- Merge up to 50 documents per signing request
- Bulk accounts for your team
- White-label branding
- REST API + webhooks access
- Dedicated account manager
All plans include a 7-day free trial. No credit card required to start.
Working with very large files? Up to 1GB per PDF is available on Enterprise.
FAQ
Frequently asked questions
BuiltSign supports PDF files up to 1 GB on the Enterprise plan (250 MB on Business, 80 MB on Pro). Even on our starter Pro plan you're already well beyond the 25 MB cap that most tools impose. We handle those large files without loading them into memory, so performance stays fast regardless of size.
Ready to get started?
Create a free account in seconds. Try everything free for 7 days, no credit card needed.