Convert SMILES to INCHI Free — Online & Instant

Convert SMILES to INCHI — Free Online

Fast, secure, no software needed.

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✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install

How to Convert SMILES to INCHI

Converting .smi files to .inchi is fast and simple with OpenAnyFile. SMILES is a scientific format: SMILES Chemical Notation INCHI is a scientific format: InChI Chemical Identifier

Upload your .smi file to OpenAnyFile
Select INCHI (.inchi) as the target format
Click "Convert" and wait for processing
Download your converted .inchi file

Why Convert SMILES to INCHI?

There are several reasons to convert from .smi to .inchi:

Compatibility: .inchi may be more widely supported by software and devices
File size: Converting between formats can reduce file size for easier sharing
Editing: INCHI may offer better editing capabilities for your workflow
Sharing: Recipients may prefer .inchi files for their daily use

About SMILES Format

SMILES Chemical Notation Category: Scientific. Extension: .smi. Created by: Daylight.

About INCHI Format

InChI Chemical Identifier Category: Scientific. Extension: .inchi. Created by: IUPAC.

Frequently Asked Questions

How do I convert .smi to .inchi?

Upload your .smi file to OpenAnyFile, select INCHI as the target, and download the converted file.

Is SMILES to INCHI conversion free?

OpenAnyFile offers free file analysis. Conversion may require a one-time payment depending on the file.

Will I lose quality converting .smi to .inchi?

OpenAnyFile preserves maximum quality during conversion. Some format-specific features may not transfer between different file types.

Can I convert .inchi back to .smi?

Yes, you can convert .inchi to .smi using OpenAnyFile as well.