25 Services from app.qotien.fr

Returns a sourced, dated scalar value from the French fiscal and retirement reference database for a given parameter key (e.g. IFI thresholds, PER ceilings, pension point values)

Computes the French IFI (Impôt sur la Fortune Immobilière) wealth tax due given a household's taxable real estate assets, deductible debts, and optionally household income for the art. 979 cap calculation.

Calculates the progressive retirement pension fraction (retraite progressive) for French employees, civil servants, and self-employed workers based on age, quarters contributed, work schedule, and pension amount.

Calculates French social charges (CSG, CRDS, Casa, maladie) deducted from a gross pension to derive the net pension amount, based on household tax reference income, fiscal shares, and pension type breakdown.

Calculates the cost, pension gain, tax savings, and ROI of buying back pension quarters (rachat de trimestres VPLR) under French retirement law

Calculates the French PER (Plan d'Épargne Retraite) tax-deduction ceiling for a given taxpayer profile (employee or TNS/self-employed) based on professional income

Calculates the annual tax savings from the Jeanbrun rental amortization device (LF 2026) for a French property, based on housing price, rental category, and taxpayer marginal tax rate.

Compares French flat tax (PFU/30%) against progressive income tax (barème) for a given capital income to determine the optimal taxation option for a French household.

Calculates consolidated total pension (gross and net) across up to 32 French retirement regimes from point-based statements

Calculates French real estate capital gains tax (IR + prélèvements sociaux + surtaxe) including holding-period exemptions, renovation deductions, and LMNP 2025 reform adjustments

Calculates the income tax saving (gain fiscal) from a deductible PER (Plan d'Épargne Retraite) contribution for a French household

Calculates the pension amount for a specific French retirement regime given acquired points, departure age, and regime code

Computes the French global tax-niche ceiling (plafonnement global des niches fiscales, CGI art. 200-0 A) given a list of tax advantages and their amounts.

Returns the applicable French social levies (prélèvements sociaux) rate for a given type of income, sourced from Légifrance and BOFiP

Computes the French marginal income tax rate (TMI) for a household given their net taxable income, family situation, and number of fiscal shares (quotient familial)

Calculates French personal income tax (IR) based on household taxable income, family quotient parts, and marital status using official barème rates sourced from Légifrance and BOFiP.

Calculates the French Contribution Différentielle sur les Hauts Revenus (CDHR) based on household fiscal reference income, family quotient, and financial income breakdown

Calcule la surcote parentale applicable à la pension de retraite française (majoration de 1,25 % par trimestre, plafonnée à 5 %), basée sur les conditions légales de la MDA et du Code de la Sécurité Sociale.

Calculates annual pension amounts for French annuity-based retirement regimes (fonction publique, SNCF, RATP, IEG, etc.) given age, service duration, and reference salary.

Calculates the French high-gain real estate capital gains surtax (surtaxe sur les plus-values immobilières) given a net taxable gain amount, sourced from CGI art. 1609 nonies G.

Estimates French retirement pension for salaried workers, civil servants, and self-employed professionals across 32 pension schemes based on age, status, and career data

Calculates the French exceptional high-income surtax (CEHR / CGI art. 223 sexies) based on household marital status and fiscal reference income.

Searches the French fiscal and retirement reference database to look up tax rules, thresholds, rates, and regime details by keyword and domain

Computes French retirement and fiscal optimisation levers (PER, rachat de trimestres, progressive retirement, surcote parentale) based on personal profile and career data, sourced from Légifrance and BOFiP.

Returns the list of calculable French retirement/pension regimes, optionally filtered by professional family (salarié, libéral, etc.)