FASTQ Quality Control Analysis

Comprehensive quality assessment for your sequencing data in seconds

Upload Your FASTQ File

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Drop your FASTQ file here
or click to browse
Supports .fastq, .fq, and .gz compressed files up to 50MB
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What We Analyze

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Quality Scores

Per-base and per-read quality score distributions with Phred score analysis

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Read Length

Comprehensive read length distribution analysis with statistics

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GC Content

GC content distribution across all reads with comparison to expected values

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Base Composition

Nucleotide composition per position to identify sequence biases

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Quality Warnings

Automatic detection of quality issues and adapter contamination

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Export Results

Download comprehensive reports in PDF, HTML, or CSV formats