Every tool here was built to solve a real problem we encountered manufacturing tattoo and piercing products for over 25 years. The gauge converter started as an internal reference. The needle selector grew out of customer questions we answered hundreds of times. The studio CRM exists because we couldn't find one that handled both tattoo and piercing workflows correctly.
All 47 tools are free, require no account, and run entirely in your browser. No data is collected or stored. Use them professionally, embed them in your own site, or fork the source on GitHub.
Tattoo Engineering
Tools built around the physics of ink, skin, and needle geometry. Whether you're pricing a session, selecting a needle configuration, or calibrating machine voltage — these tools use manufacturer-grade formulas, not guesswork.
AI Tattoo Price & Image Studio
Formula-based or AI-powered tattoo price estimates. Generate designs and find nearby artists.
Use Tool →Ink Coverage Calculator
Estimate tattoo coverage area and plan sessions accurately.
Use Tool →Pigment Ink Mixer
Mix custom tattoo ink colors with precision ratios.
Use Tool →Needle Selector
Find the perfect needle configuration for your work.
Use Tool →Stencil Calculator
Calculate optimal stencil sizes for accurate placement.
Use Tool →Tattoo Font Previewer
Preview text in 50+ professional tattoo fonts instantly.
Use Tool →Touch-up Timeline
Plan and track tattoo touch-up schedules.
Use Tool →Needle Taper Visualizer
Interactive anatomy guide comparing short and long tapers.
Use Tool →Voltage Configurator
Optimal power calibration and hertz mapping for tattoo machines.
Use Tool →Ink Ingredient Decoder
Decode tattoo ink pigments and check compliance with EU Regulation 2020/2081.
Use Tool →Removal Sessions Estimator
Estimate laser removal sessions using the Kirby-Desai model across 6 clinical factors.
Use Tool →Skin Tone & Pigment Matcher
See how 9 ink colours perform across all 6 Fitzpatrick skin types — visibility scores and fade rates.
Use Tool →Flash Sheet Builder
Build, price, and print a professional tattoo flash sheet. Track sold designs and export a CSV.
Use Tool →Piercing Science
Gauge conversions, anatomical fit, healing progression, and pain modelling — grounded in the biomechanics of tissue and jewelry interaction. Built by the manufacturer behind BioFlex® body jewelry, with 25 years of clinical piercing data informing every tool.
Gauge Converter
Convert between gauge sizes and millimeters with precision.
Use Tool →Anatomical Jewelry Visualizer
Visualize jewelry sizes accurately before purchasing.
Use Tool →Healing Tracker
Monitor piercing healing progress with daily tracking.
Use Tool →Pain Guide
Understand piercing pain levels before committing.
Use Tool →Angle Placement Guide
Learn proper piercing angles for professional results.
Use Tool →Biocompatibility Checker
Verify jewelry material certifications and safety standards.
Use Tool →MRI Safety Checker
Check body jewelry MRI safety status: MR Safe, MR Conditional, or MR Unsafe under ASTM F2503.
Use Tool →Nickel Release Calculator
Estimate nickel release from alloys and check EN 1811 compliance for the 0.2 µg/cm²/week piercing limit.
Use Tool →Ear Stretching Timeline
Plan safe ear stretching with APP-approved healing intervals for every gauge increment.
Use Tool →Curved Barbell Calculator
Find the correct curved barbell internal length for rook, daith, snug, conch, eyebrow, and navel piercings.
Use Tool →Industrial Barbell Calculator
Calculate industrial scaffold barbell length from your hole-to-hole distance.
Use Tool →Migration Risk Calculator
Assess your piercing migration and rejection risk across 7 weighted factors.
Use Tool →Genital Piercing Suitability
Anatomy suitability reference for 8 genital piercing types — gauge, healing, contraindications.
Use Tool →Studio Operations
Administrative and compliance tools for professional studios. Consent forms with PDF export, a full studio CRM, autoclave cycle calculators, and a compliance auditor covering health, safety, and legal requirements across major jurisdictions.
Consent Form Builder
Create custom consultation forms with PDF export and signatures.
Use Tool →Studio CRM
Complete studio management with clients, appointments, and inventory.
Use Tool →Autoclave Calculator
Calculate autoclave cycle parameters for proper sterilization.
Use Tool →Equipment Compatibility
Check tattoo equipment compatibility before purchasing.
Use Tool →Compliance Auditor
Professional health, safety, and administrative auditor.
Use Tool →REACH SVHC Checker
Flag SVHC substances in tattoo inks and jewelry ingredients against the ECHA Candidate List.
Use Tool →Machine Maintenance Logbook
Log every machine service, calibration, and voltage check. Build a full history for every piece of equipment.
Use Tool →Power Supply Troubleshooter
Step-by-step fault diagnosis wizard for machine and power supply problems.
Use Tool →BBP Training Tracker
Track bloodborne pathogen and infection control certification dates for all studio staff.
Use Tool →Sharps Disposal Tracker
Log sharps container disposals, track costs, forecast your next pickup, and export compliance records.
Use Tool →Health Screening Form Builder
Build a custom client health screening questionnaire and print a ready-to-use paper form.
Use Tool →Studio Pricing Benchmark
Compare your prices against market benchmarks across UK, London, US, EU, and Australian regions.
Use Tool →Booth Rent vs Commission Calculator
Calculate which studio model earns more at your specific revenue level.
Use Tool →Equipment ROI Calculator
Payback period, break-even sessions, annual net profit, and year-by-year projection for any equipment purchase.
Use Tool →Tax Deduction Tracker
Log and categorise deductible business expenses throughout the year and export a CSV for your accountant.
Use Tool →Client Health & Aftercare
Evidence-based tools for managing client health conversations — scar risk, medications, pregnancy safety, and healing support. Built for studios that take the clinical side of body art seriously, not just the aesthetic.
Keloid & Scar Risk Assessor
Assess keloid and hypertrophic scar risk across 6 weighted clinical factors before any procedure.
Use Tool →Pregnancy Safety Reference
Evidence-based procedure safety guide covering all trimesters and breastfeeding.
Use Tool →Medication Interaction Checker
Check how blood thinners, retinoids, immunosuppressants, and other medications affect procedures.
Use Tool →Aftercare Schedule Generator
Generate a phase-specific aftercare routine for any piercing type based on your healing stage.
Use Tool →Patch Test Protocol Generator
Build a 96-hour patch test protocol for any jewelry material or tattoo ink to screen for allergy.
Use Tool →Reaction Triage Wizard
Step-by-step symptom triage to identify normal healing, irritation, infection, or emergency.
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