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 42 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.
Studio Compliance Radar
Live EU compliance monitoring for tattoo & piercing studios — never miss a regulation change that affects your inks or jewelry again.
- REACH/SVHC, Biocidal (BPR), Cosmetics & Medical Device (MDR) lanes tracked daily
- Instant alerts the moment a substance or rule affecting your products changes
- Auto-generated, audit-ready compliance declarations
Explore by Suite
The 42 tools are organised into six professional suites. Each suite hub groups the relevant tools, explains how they work together, and answers the questions artists and studios ask most.
Tattoo Engineering Tools
Professional tattoo engineering tools: price estimation, ink coverage, needle geometry, machine voltage, stencil calculation, and more. Every tool built for working artists.
Explore Tattoo Engineering (11 tools) →Body Jewelry Sizing Tools
Body jewelry sizing tools: gauge conversion, size visualisation, barbell length calculation, and ear stretching timelines. Accurate measurements for every piercing.
Explore Body Jewelry Sizing (4 tools) →Material & Safety Tools
Body jewelry material safety: certification checking, nickel release, MRI compatibility, SVHC screening, and allergy patch testing. Science-backed safety for piercers and clients.
Explore Material & Safety (6 tools) →Studio Operations Tools
Studio operations tools for body art professionals: CRM, consent forms, autoclave cycles, equipment compatibility, compliance checklists, BBP training, and sharps disposal.
Explore Studio Operations (9 tools) →Studio Finance Tools
Studio finance tools for tattoo artists and piercers: pricing benchmarks, booth rent vs commission, equipment ROI, and tax deduction tracking. Run your studio like a business.
Explore Studio Finance (3 tools) →Health & Aftercare Tools
Health and aftercare tools for body art: healing timelines, keloid risk, pregnancy safety, medication interactions, aftercare schedules, and reaction triage. Evidence-based client safety.
Explore Health & Aftercare (9 tools) →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.
Tattoo Price EstimatorUpdated · V2
Get a realistic price range for your tattoo from its size and style, and know what to ask before you book.
- Price range by size and complexity
- What studios charge and why deposits exist
- Printable consultation worksheet
8 languages · EN FR IT DE ES NL PT TH
Open Tattoo Price Estimator →Ink Coverage Calculator
Plan needle coverage, session time, ink use and price for a piece in one place.
- Session time and ink usage estimates
- Ink inventory and efficiency dashboard
- CSV export and shareable results
8 languages · EN FR IT DE ES NL PT TH
Open Ink Coverage Calculator →Pigment Ink MixerUpdated · V2
Mix, solve and save custom tattoo ink colours with exact ratios.
- Colour solver: pick a target, get the ratio
- Gray wash series and diluent formulator
- Saved formulas with printable sheets
8 languages · EN FR IT DE ES NL PT TH
Open Pigment Ink Mixer →Needle SelectorUpdated · V2
Pick the right needle configuration for the job and decode any cartridge code.
- Quick selector by technique
- Needle code decoder
- Side-by-side comparator and taper view
8 languages · EN FR IT DE ES NL PT TH
Open Needle Selector →Stencil Calculator
Size a stencil for body curvature and place it straight on any part of the body.
- Curvature compensation with print-at %
- Placement and twist guide
- Stencil linework converter and templates
8 languages · EN FR IT DE ES NL PT TH
Open Stencil Calculator →Tattoo Font PreviewerUpdated · V2
Type your text and see it in 107 real tattoo typefaces, stencil-ready.
- 107 fonts with A/B compare
- Thermal stencil outline and print sizing
- Kanji and hanzi meaning check
8 languages · EN FR IT DE ES NL PT TH
Open Tattoo Font Previewer →Voltage ConfiguratorUpdated · V2
Set voltage and stroke for lining, shading, packing and dotwork, machine by machine.
- Voltage and stroke by technique
- Printable "My Machines" reference card
- Connection and supply checker
8 languages · EN FR IT DE ES NL PT TH
Open Voltage Configurator →Ink Ingredient DecoderUpdated · V2
Paste an ink label or SDS and check it against EU tattoo ink rules (REACH entry 75).
- CAS and CI number decoder
- Global regulations and alternatives matrix
- Shelf life and PAO expiry tracker
8 languages · EN FR IT DE ES NL PT TH
Open Ink Ingredient Decoder →Removal Sessions EstimatorUpdated · V2
Estimate how many laser sessions a tattoo needs, the spacing and the budget.
- Kirby-Desai session assessment
- Clinic spacing, budget and calendar export
- Before/after session photo compare
8 languages · EN FR IT DE ES NL PT TH
Open Removal Sessions Estimator →Skin Tone & Pigment MatcherUpdated · V2
See how nine ink families read on each Fitzpatrick skin type before you commit.
- Fitzpatrick I to VI
- Contrast and fade notes for 9 ink families
- Practical consultation notes
8 languages · EN FR IT DE ES NL PT TH
Open Skin Tone & Pigment Matcher →Flash Sheet BuilderUpdated · V2
Build, price and print professional flash sheets and track what sells.
- Drag-to-arrange designs with prices and sizes
- Multiple sheets and table view
- Print-ready sheets and backup export
8 languages · EN FR IT DE ES NL PT TH
Open Flash Sheet Builder →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 ConverterUpdated · V2
Convert gauge to millimetres and inches and check sizes at true scale on your screen.
- True-scale view calibrated with a bank card
- Measure your piece: reverse size lookup
- Printable wall chart and free embed
8 languages · EN FR IT DE ES NL PT TH
Open Gauge Converter →Anatomical Jewelry VisualizerUpdated · V2
See body jewellery at real size on your screen, and try it on before buying.
- 1:1 visualizer and virtual try-on
- Photo measure and size compare
- Printable fit card and your collection
8 languages · EN FR IT DE ES NL PT TH
Open Anatomical Jewelry Visualizer →Healing TrackerUpdated · V2
Follow a piercing or tattoo day by day and spot early signs something is wrong.
- Symptom check that flags worsening
- Milestone photos with comparison slider
- Printable health report
8 languages · EN FR IT DE ES NL PT TH
Open Healing Tracker →Piercing Pain GuideUpdated · V2
Compare piercing pain on an interactive body map and prepare for the day.
- Interactive body map and comparisons
- Personal tolerance assessment
- Printable studio prep sheet
8 languages · EN FR IT DE ES NL PT TH
Open Piercing Pain Guide →Angle Placement GuideUpdated · V2
Plan piercing placement and angles on an interactive 3D anatomy model.
- 3D model: head, ear, torso and body
- Landmark and caliper placement
- Off-axis angle simulation
8 languages · EN FR IT DE ES NL PT TH
Open Angle Placement Guide →Biocompatibility CheckerUpdated · V2
Read jewellery material certificates and know what to ask your supplier.
- Certificate reader and claim matrix
- Supplier question sheet generator
- Studio records kept on your device
8 languages · EN FR IT DE ES NL PT TH
Open Biocompatibility Checker →MRI Safety CheckerUpdated · V2
Prepare for an MRI with body jewellery: what to tell the radiographer and what to bring.
- Body checklist and disclosure card
- Jewellery material compositions
- Dermals and retainers guidance
8 languages · EN FR IT DE ES NL PT TH
Open MRI Safety Checker →Nickel Release CalculatorUpdated · V2
Check body jewellery against EN 1811 and REACH nickel limits, and decode supplier labels.
- EN 1811 and REACH limits explained
- Global regulations comparison
- Studio jewellery file and supplier request
8 languages · EN FR IT DE ES NL PT TH
Open Nickel Release Calculator →Ear Stretching TimelineUpdated · V2
Plan a safe stretch for each ear, with rest periods and warning signs.
- Separate left and right ear plans
- Readiness check and warning signs
- Downsize and rehabilitation planner
8 languages · EN FR IT DE ES NL PT TH
Open Ear Stretching Timeline →Migration Risk CalculatorUpdated · V2
Assess migration and rejection risk and keep a measurement log you can show your piercer.
- Risk profiles: navel, eyebrow, surface, dermal
- Repeatable caliper measurement log
- Embedding emergency guide
8 languages · EN FR IT DE ES NL PT TH
Open Migration Risk Calculator →Genital Piercing SuitabilityUpdated · V2
Learn what anatomy each of 14 genital piercings needs before you see a piercer.
- 14 placements filtered by anatomy
- Common reasons a piercer says no
- Printable consultation sheet (18+)
8 languages · EN FR IT DE ES NL PT TH
Open Genital Piercing Suitability →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
Build your own consent and consultation forms from templates, no account needed.
- Drag-and-drop fields and templates
- Smart field suggestions
- Import/export and results dashboard
8 languages · EN FR IT DE ES NL PT TH
Open Consent Form Builder →Studio CRMUpdated · V2
Run your whole studio from one free app: clients, bookings, money, stock and compliance.
- Clients, schedule and finances in one place
- Inventory, compliance and team management
- Runs on your computer: your data stays with you
8 languages · EN FR IT DE ES NL PT TH
Open Studio CRM →Autoclave CalculatorUpdated · V2
Work out sterilisation cycles and keep the spore test and batch records inspectors ask for.
- Cycle calculator
- Spore test and integrator log
- Batch tracking with CSV/JSON export
8 languages · EN FR IT DE ES NL PT TH
Open Autoclave Calculator →Inspection Readiness ChecklistUpdated · V2
Get inspection-ready for the UK, EU, US or Australia and see what is still missing.
- Region-by-region readiness checklist
- What is still to prepare
- Printable inspection binder index
8 languages · EN FR IT DE ES NL PT TH
Open Inspection Readiness Checklist →REACH SVHC CheckerUpdated · V2
Screen ink and jewellery ingredients against the ECHA SVHC Candidate List.
- Paste an SDS block or search a substance
- Screening register with CSV export
- Supplier inquiry letter generator
8 languages · EN FR IT DE ES NL PT TH
Open REACH SVHC Checker →US Tattoo Ink CheckerUpdated
Screen tattoo ink ingredients against US MoCRA duties and California Prop 65.
- MoCRA federal requirements
- Prop 65 ingredient screening
- Printable screening report
8 languages · EN FR IT DE ES NL PT TH
Open US Tattoo Ink Checker →Southeast Asia Tattoo Ink CheckerUpdated
Screen tattoo ink ingredients against the Thai list of substances prohibited in cosmetics.
- Pasted SDS or label screening
- Thai substance list with Royal Gazette entry numbers
- Printable screening record
8 languages · EN FR IT DE ES NL PT TH
Open Southeast Asia Tattoo Ink Checker →Machine Maintenance LogbookUpdated · V2
Keep a service history for every machine, with parts and costs by year.
- Service log per machine
- Parts and costs by machine and year
- Backup, restore and CSV export
8 languages · EN FR IT DE ES NL PT TH
Open Machine Maintenance Logbook →Power Supply TroubleshooterUpdated · V2
Diagnose tattoo machine and power supply faults step by step.
- Diagnostic wizard by symptom
- Bench calculator: voltage drop and duty cycle
- Audio diagnosis library
8 languages · EN FR IT DE ES NL PT TH
Open Power Supply Troubleshooter →BBP Training TrackerUpdated · V2
Track bloodborne pathogen training for every artist and catch renewals before they lapse.
- 30/60/90-day renewal alerts
- Printable inspection roster
- Multi-studio profiles, CSV import/export
8 languages · EN FR IT DE ES NL PT TH
Open BBP Training Tracker →Sharps Disposal TrackerUpdated · V2
Log sharps containers from opening to collection and print the audit record.
- Container lifecycle tracking
- Collection register and audit report
- Calendar reminders and CSV export
8 languages · EN FR IT DE ES NL PT TH
Open Sharps Disposal Tracker →Health Screening Form Builder
Build a custom client health screening questionnaire and print a ready-to-use paper form.
8 languages · EN FR IT DE ES NL PT TH
Open Health Screening Form Builder →Studio Pricing BenchmarkUpdated · V2
Compare your studio rates with regional reference ranges in nine markets.
- Nine global markets
- What-if rate calculator
- Printable studio rate card
8 languages · EN FR IT DE ES NL PT TH
Open Studio Pricing Benchmark →Booth Rent vs Commission CalculatorUpdated · V2
Compare booth rent and commission deals and see what you actually take home.
- Multi-offer comparison and break-even curve
- Annual cash flow, tax and take-home
- Printable sheet and shareable deal link
8 languages · EN FR IT DE ES NL PT TH
Open Booth Rent vs Commission Calculator →Tax Deduction TrackerUpdated · V2
Log studio expenses and mileage through the year and hand your accountant a clean summary.
- Expense and mileage logs
- Annual category summary
- Print and CSV export
8 languages · EN FR IT DE ES NL PT TH
Open Tax Deduction Tracker →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 AssessorUpdated · V2
Understand keloid and scar risk before a piercing or tattoo, and when to see a doctor.
- Bump vs hypertrophic vs keloid compared
- Risk by body site
- Printable red flags and doctor worksheet
8 languages · EN FR IT DE ES NL PT TH
Open Keloid & Scar Risk Assessor →Pregnancy Safety ReferenceUpdated · V2
A clear reference for piercings and tattoos during pregnancy, birth and breastfeeding.
- Procedure-by-procedure comparison
- Hospital policy planner
- Postpartum and lactation timelines
8 languages · EN FR IT DE ES NL PT TH
Open Pregnancy Safety Reference →Medication Interaction Checker
Check how medicines and supplements affect a tattoo or piercing, and brief your artist.
- Medicines and supplements checker
- Washout reminders and artist brief
- Draft message to your doctor
8 languages · EN FR IT DE ES NL PT TH
Open Medication Interaction Checker →Aftercare Schedule Generator
Enter your piercing date and get a dated aftercare plan to print or add to your calendar.
- Phase-by-phase plan with real dates
- Add to calendar
- Print or save as PDF
8 languages · EN FR IT DE ES NL PT TH
Open Aftercare Schedule Generator →Patch Test Protocol GeneratorUpdated · V2
Plan a 96-hour patch test for a jewellery metal or tattoo ink and read the results correctly.
- 96-hour schedule and reading guide
- Method and clinical limits explained
- Share card
8 languages · EN FR IT DE ES NL PT TH
Open Patch Test Protocol Generator →Frequently Asked Questions
How many tools are there and what do they cost?
There are 42 free professional tools, grouped into tattoo engineering, piercing science, studio operations, and client health & aftercare. Every tool is free to use.
Do I need an account, and is my data stored?
No. All 42 tools require no account and run entirely in your browser. No data is collected or stored.
Can I embed the tools or use the source code?
Yes. You can use the tools professionally, embed them in your own site, or fork the source on GitHub.
How are the tools organised?
The 42 tools are also grouped into six professional suites. Each suite hub page collects the relevant tools, explains how they work together, and answers the questions artists and studios ask most.
Is there a paid option?
Yes. Studio Compliance Radar is a premium EU compliance-monitoring service that tracks REACH/SVHC, Biocidal (BPR), Cosmetics, and Medical Device (MDR) lanes daily. It starts at a €9.50 trial, then €99 per year.