Helix ToolsOmnisCoder · CRISPR & prime editing design
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Helix Tools

QC primers before you order them.

Paste single primers or pairs to see GC/Tm, clamp quality, poly-runs, and quick dimer flags before synthesis or PCR.

Run primer QCCheck PCR products
GC/Tm inlineClamp heuristicsDimer hints

Check primers

Primer sequences

Results

No primer analysis yet

Submit a primer (or pair) to see GC, Tm, clamp, and flags.

Sequence utilities

Sequence console

GC% 0.0Length 0 ntFrame 0 translation

Cleaned

Reverse complement

GC%

0.0%

Translation (frame 0)