Do I have to sign up to use it?

No. Every tool works right away without signing up. Pi ID sign-up is free too; cloud saving, history and sync are part of the Pro plan.

Pricing Free

Free first. No sign-up needed.

61 tools for PDF, images, QR, VietQR, XML invoices, TCVN3 fonts… ready to use and processed on your device. Pi ID sign-up is free; cloud saving and sync are part of the Pro plan.

Three levels of use

Level 1
No sign-up
0 VNDUse right away
61 tools: PDF, images, QR, VietQR, XML invoices, TCVN3 fonts… processed on your device.
Open the tools
Level 2
Free with Pi ID
0 VNDOne account for every PIH product
Sign in with one Pi ID account shared across PIH products. Cloud saving, history and multi-device sync are part of the Pro plan.
Sign in with Pi ID
Level 3
Pro
Contact usWhen it adds value
The Pro plan has no listed price yet. Contact us for a quote.
Contact us

When to choose a paid product

When you need to work together as a team, use ERPCons. Chuyện Nhỏ tools stay free.

ERPCons pricing

General pricing rules

Prices are in VND, excluding tax.
Free and trial plans never switch to paid by themselves.
Free tools never force you to sign in.
Three levels of use: No sign-up (use right away) → Free with Pi ID (sign up to save and sync) → Paid (when it adds value).
Prepayment (only for products with paid plans): 6 months 4% off, 12 months 10% off, 24 months 15% off (24 months from 01/12/2026). At most 2 offers per contract: prepayment plus one other offer.
Extra AI credits, shared across all products: 1,000 credits 199,000 VND, 5,000 credits 899,000 VND, valid for 12 months.

Frequently asked questions

Does Chuyện Nhỏ cost anything?

No. All 61 tools are free and need no sign-up.

How much is the Pro plan?

The Pro plan has no listed price yet. Contact us for a quote.

Will my free use switch to paid by itself?

No. A free plan never switches to paid by itself.

When should I use ERPCons?

When you need to work together as a team. ERPCons has its own pricing at erpcons.ai/bang-gia.

Do prices include tax?

Prices are in VND, excluding tax.

កំពុងផ្ទុក...

Three levels of use

Level 1

No sign-up

0 VNDUse right away

61 tools: PDF, images, QR, VietQR, XML invoices, TCVN3 fonts… processed on your device.

Open the tools

Level 2

Free with Pi ID

0 VNDOne account for every PIH product

Sign in with one Pi ID account shared across PIH products. Cloud saving, history and multi-device sync are part of the Pro plan.

Level 3

Pro

Contact usWhen it adds value

The Pro plan has no listed price yet. Contact us for a quote.

General pricing rules

Prices are in VND, excluding tax.

Free and trial plans never switch to paid by themselves.

Free tools never force you to sign in.

Three levels of use: No sign-up (use right away) → Free with Pi ID (sign up to save and sync) → Paid (when it adds value).

Prepayment (only for products with paid plans): 6 months 4% off, 12 months 10% off, 24 months 15% off (24 months from 01/12/2026). At most 2 offers per contract: prepayment plus one other offer.

Extra AI credits, shared across all products: 1,000 credits 199,000 VND, 5,000 credits 899,000 VND, valid for 12 months.

Frequently asked questions

Does Chuyện Nhỏ cost anything?

No. All 61 tools are free and need no sign-up.

How much is the Pro plan?

The Pro plan has no listed price yet. Contact us for a quote.

Will my free use switch to paid by itself?

No. A free plan never switches to paid by itself.

When should I use ERPCons?

When you need to work together as a team. ERPCons has its own pricing at erpcons.ai/bang-gia.

Do prices include tax?

Prices are in VND, excluding tax.