Helix Tools

Primer Quality Checker

Quick sanity check for primers: GC%, Tm, poly-runs, 3' clamps, and dimer heuristics. Paste and go.

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)