Amino Acids Ref

Alanine (Ala)
Non-essential, energy source for muscles
Leucine (Leu)
Essential BCAA, muscle protein synthesis
Lysine (Lys)
Essential, collagen and calcium absorption
Methionine (Met)
Essential, start codon, sulfur donor
Tryptophan (Trp)
Essential, serotonin/melatonin precursor
Glutamic Acid (Glu)
Non-essential, major excitatory neurotransmitter
Glycine (Gly)
Non-essential, smallest amino acid, collagen
Proline (Pro)
Non-essential, collagen structure
Histidine (His)
Essential, histamine precursor, pH buffering
Phenylalanine (Phe)
Essential, tyrosine/dopamine precursor
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About Amino Acids

Working with this task no longer requires installing heavy desktop software — Amino Acids runs entirely in your browser, instantly. Built to be the kind of tool you bookmark and use weekly: no surprises between visits, no degraded free tier, and a UI that gets out of the way. It pairs naturally with the other utility utilities here when you need to chain a quick workflow.

When you'd reach for Amino Acids

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

Frequently asked about Amino Acids

Do I need to create an account to use Amino Acids?
No. Amino Acids works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
Is Amino Acids really free?
Yes — Amino Acids is free for unlimited personal use, with no account required and no watermark on the output.
Can I use Amino Acids commercially?
Yes. The output of Amino Acids belongs entirely to you, with no licensing restrictions.
Will Amino Acids change my original file?
Never. Amino Acids only reads your input file and produces a new output file.
Does Amino Acids work on mobile?
Yes, Amino Acids is fully responsive and tested on iOS Safari and Android Chrome.