Priya Life SciencePharma tools
14
Free · client-side · regulatory-aligned

Pharma calculators that
run in your browser.

Fourteen browser-based calculators and GMP workflows built for QA, R&D and regulatory affairs professionals. No account, no data upload: every calculation runs locally on your machine, and every formula names the guideline it follows.

Browse the tools How they are built
14free toolsthree families, one standard
€0forever freeno accounts, no paywalls, no limits
ICHalignedQ1E, Q8, Q9, Q10, E9 and EU Annex 1
100%client-sideyour data never leaves the browser
TOOLS
01 · The full index

Fourteen tools, three families.

Every card is a link. The dot names the guideline or standard the tool follows. Nothing is sent to a server.

Pharma calculators

5 toolsProcess capability, dissolution, risk, sample size, stabilityFold
CalculatorMost used · ICH Q8
01
Process Capability / Cpk Calculator
Calculate Cp, Cpk, Ppk and Six Sigma level from your process data. Paste values or enter mean and SD. Visual gauge chart with ICH Q8 benchmarks and an instant pass/fail verdict.
ICH Q8Six SigmaGMP validation
Open calculator
CalculatorFDA 1997 · EMA CPMP
02
Dissolution f2 Similarity Calculator
Compare dissolution profiles using the f2 similarity factor. Enter time-point data for reference and test products. Instant pass/fail against the 50 or above threshold with full regulatory context.
FDA 1997EMA CPMPBioequivalence
Open calculator
CalculatorICH Q9
03
FMEA / RPN Risk Matrix
Build a full Failure Mode and Effects Analysis table. Score severity, occurrence and detection from 1 to 10 and auto-calculate the Risk Priority Number. Visual risk heatmap and CSV export included.
ICH Q9FDA QRMCSV export
Open calculator
CalculatorICH E9
04
Sample Size Calculator
Calculate the required sample size for clinical trials and comparative studies. Supports two-proportion and two-mean comparisons with alpha, power and effect size inputs. Sensitivity analysis included.
Clinical trialsICH E9Power analysis
Open calculator
CalculatorICH Q1E
05
Stability Shelf Life Estimator
Use Arrhenius kinetics to estimate shelf life at ICH long-term conditions (25°C). Enter degradation rate constants at elevated temperatures. Visual Arrhenius plot with extrapolation to real-world storage.
ICH Q1EArrheniusStability
Open calculator

Quality and pharmacokinetics

5 toolsProcess control, PK analysis, bioequivalence, lab investigationsFold
QualityICH Q10
06
SPC Control Chart Generator
Monitor process stability with an Individuals (I-chart) control chart. Input raw values to auto-calculate UCL and LCL limits and check for Nelson and Westgard rule violations.
ICH Q10Process validationNelson rules
Open generator
PharmacokineticsNon-compartmental
07
NCA / PK Calculator
Perform non-compartmental pharmacokinetic analysis. Enter time-concentration data to calculate Cmax, Tmax, AUC0-t, AUC0-inf, clearance, volume of distribution and half-life.
NCAAUC integratorHalf-life
Open calculator
PharmacokineticsFDA · EMA guided
08
Bioequivalence 90% CI
Calculate GMR and 90% confidence intervals for parallel or crossover designs. Uses Two One-Sided Tests (TOST) against the standard 80.00% to 125.00% acceptance limits.
TOST90% CIBioequivalence
Open assessment
QualityFDA aligned
09
OOS Investigation Workflow
Document laboratory Out-of-Specification failures using systematic Phase Ia, Ib and Phase II checklists. Includes Grubbs' outlier test and a print-ready report format.
FDA guidanceOutlier testLab failure
Open workflow
QualityICH Q9
10
GMP Risk Register
Create quality risk registers with initial and residual Risk Priority Number matrix scoring. Optimised for landscape A4 PDF printing and CSV export.
ICH Q9Risk assessmentRPN matrix
Open register

Compliance and GMP workflows

4 toolsCalibration, cleanrooms, batch release, cold chainFold
Compliance21 CFR 211.160
11
Calibration Due Tracker
Track instrument calibration due dates and intervals. Monitor status with active, due soon and overdue alerts. Export calendars as CSV and PDF layouts.
EquipmentCalibrationSchedules
Open tracker
ComplianceEU Annex 1 (2022)
12
EM Cleanroom Limits
Verify particulate and viable CFU microbial levels against EU GMP Annex 1 (2022) and ISO 14644-1 limits. Instantly flags out-of-specification contamination.
EU Annex 1CleanroomsMicrobiology
Open limits
ComplianceBatch release
13
COA Generator
Draft and compile batch Certificate of Analysis sheets. Build parameter specification grids, check conformance status and download A4 compliance printouts.
COABatch qualityQP release
Open generator
ComplianceUSP <1159>
14
GDP Temp Excursion Report
Log shipment temperature readings and calculate Mean Kinetic Temperature (MKT) per USP <1159> to assess Good Distribution Practice deviations.
MKTGDP complianceCold chain
Open analyser
Your requestOpen desk
15
Suggest the next tool
Missing a calculator your QA, validation or clinical team runs by hand? Tell the desk which guideline it follows and what it should output, and it joins the queue.
FreeClient-sideBuilt to a guideline
Send a request
No tool matches that. Try a guideline, a statistic or a workflow name.
02 · Featured

The PDF toolkit, with a GMP stamp.

pdf.priyalifescience.com

Edit, merge, split and stamp pharma PDFs without uploading them.

Apply APPROVED, REJECTED and UNDER REVIEW stamps with audit trails, redact, convert and sign. The suite runs entirely in the browser, so controlled documents never leave your device.

What it covers
GMP stamps with audit trail21 CFR Part 11 context
Merge, split, reorder, rotateClient-side
Redaction studioIrreversible
Convert and compressNo upload
03 · How every tool is built

Four rules, every tool.

Professional-grade tools designed with regulatory context, validated formulas and zero friction.
01100% client-sideYour data never leaves your browser. Every calculation runs locally: no servers, no accounts, no data collection.
02Regulatory-alignedEach tool references the relevant guideline (ICH Q1E, Q8, Q9, Q10, E9, EU GMP Annex 1, USP chapters) with formula sources cited on the page.
03Open-source qualityFormulas are sourced from pharmacopoeial standards and well-established statistical literature, and the code is readable in your browser.
04Always freeNo paywalls, no accounts, no limits. These tools will stay free for the pharma community.
Disclaimer

These tools are for educational and reference purposes. All calculations should be validated by qualified personnel within your organisation's Quality Management System before use in regulated environments. Results do not constitute regulatory advice.