ToolJovia
The complete toolkit

All tools — Page 11

983 useful tools. Browse a category or search the full toolkit.

Education

Original Word Search Puzzle Generator

Place your own ASCII word list into a bounded puzzle grid with a checked answer key and explicit omitted words.

Files

Printable Label Sheet Generator

Print original text or QR payload labels on A4,Letter or custom sheets with explicit stock geometry and slot coordinates.

Developer

Set-Cookie Attribute Workbench

Inspect separate Set-Cookie fields or build a header from explicit cookie attributes.

Files

Offline HAR Timing and Redaction Analyzer

Summarize HAR1.2 request phases or export an allowlisted copy without headers, cookies or bodies.

Developer

SSH Authorized Keys Options Inspector

Inspect authorized_keys options, supported public-key records and SHA256 fingerprints locally.

Developer

OIDC Metadata and JWKS Consistency Checker

Compare supplied discovery metadata and public JWKS without contacting an identity provider.

Developer

HTTP Structured Fields Workbench

Parse and canonically serialize RFC9651 Items, Lists and Dictionaries with typed values.

Files

Intel HEX Firmware Record Workbench

Validate Intel HEX records, normalize record layout or export a bounded address-span binary.

Files

Binary Record Pack and Unpack Workbench

Pack or unpack fixed binary fields using an explicit offset and endian JSON schema.

Files

Torrent Metadata and Info-hash Inspector

Inspect bounded BEP3 v1 torrent metadata and hash the original bencoded info dictionary.

Files

Local Unified Patch Workbench

Inspect ordinary unified text patches or atomically apply exact hunks to a virtual JSON file map.

Files

Git Loose Object Inspector

Inflate a bounded zlib Git loose object and compute its exact SHA1 or SHA256 object identifier.

Images

Image Channel Split and Packing Workbench

Split RGBA into grayscale PNGs or pack explicitly selected image channels into a new PNG.

Images

Repeating Texture Seam Inspector

Measure opposite-edge byte differences and download half-offset and tiled-preview images.

Images

Heightmap to Normal Map Generator

Convert a selected height channel into an opaque tangent-style normal-map PNG.

Calculators

Small Exact Bin Packing Workbench

Allocate every small exact-size item into the fewest equal-capacity bins and export a checked packing witness.

Math

Bounded Zero-one Selection Workbench

Choose a maximum-value subset under one integer capacity and inspect every selected item and exact total.

Math

Small Cost-Matrix Tour Workbench

Find a shortest complete round trip through every supplied cost-matrix vertex and verify the edge sum.

Math

Maximum Flow and Minimum Cut Workbench

Compute an exact capacity-constrained flow and inspect conservation plus an equal-capacity minimum-cut witness.

Math

Bounded Two-variable Linear Program Workbench

Optimize a numeric two-variable linear objective within an explicit box and inspect exact feasible vertices.

Calculators

Exact Integer Allocation Workbench

Distribute a fixed number of indivisible units by entered weights, preserving the exact total and exposing quota remainders.

Calculators

Shared Expense Settlement Workbench

Split expenses in exact currency minor units, reconcile who paid and who owes, and download a conserved transfer plan.

Calculators

Pack Unit Price Comparison Workbench

Compare differently sized multipacks using one exact common unit and retain ties without rounding away small differences.

Calculators

Bill of Materials Explosion Workbench

Expand multi-level product requirements through an exact acyclic component graph and inspect shared-component contributions.

Calculators

Parallel Job Load Planner

Allocate independent jobs to identical machines, inspect a concrete timeline and compare its makespan with a valid lower bound.

Calculators

Earned Value Status Workbench

Reconcile entered work-package values into exact cost and schedule indices plus an explicit completion-cost scenario.

Calculators

RFM Transaction Segmentation Workbench

Aggregate local transaction rows into recency, frequency and exact monetary totals using your own transparent cutoff rules.

Calculators

Price Volume Mix Revenue Bridge

Reconcile a matched product portfolio revenue change into exact price, total-quantity and sales-mix effects.

Calculators

Uniform Carton Grid Load Planner

Compare every axis-aligned orientation of one box size and export a bounded coordinate preview of the best uniform grid.

Education

Exact Linear Recurrence Workbench

Generate an integer sequence from your own finite-order recurrence and inspect exact indexed terms without expression evaluation.

Education

Restricted Integer Partition Workbench

Count unordered integer partitions with part-size, distinctness and exact-length constraints, then inspect a bounded example list.

Education

Combination and Ordered Selection Ranking

Rank or recover a combination or ordered selection by exact zero-based lexicographic index without enumerating all objects.

Math

Weighted Isotonic Regression Workbench

Fit the nearest monotone sequence under exact positive weights and inspect merged blocks and a checked residual certificate.

Math

Nonuniform Tabulated Gradient Workbench

Differentiate supplied x/y samples with exact nonuniform three-point interior stencils and explicit endpoint conventions.

Math

Kaplan-Meier Lifetime Workbench

Build an exact product-limit survival table from event and right-censored equipment or teaching data with transparent risk sets.

Math

Independent Reliability Block Workbench

Evaluate an explicit series/parallel component tree at one common mission time and export exact group-by-group probabilities.

Math

Rolling Origin Forecast Backtesting

Evaluate one-step benchmark forecasts against held-out observations with explicit rolling training prefixes and no future-row fitting.

Math

Individuals Process Control Workbench

Calculate an individuals chart from a declared baseline or supplied target and flag exact three-sigma limit crossings.

Math

Within and Overall Process Capability

Compare specification width with pooled within-subgroup and overall sample variation while keeping the two estimates distinct.

Calculators

Steady State M/M/c Queue Workbench

Inspect exact Erlang C steady-state queue metrics under explicit arrival, service and identical-server assumptions.

Math

Uncorrelated Measurement Uncertainty Budget

Build a transparent first-order uncertainty budget with standard or bounded-distribution components and an entered coverage factor.

Calculators

Battery Load Profile Energy Scenario

Reconcile a chronological load profile against an entered energy capacity, efficiency and reserve without pretending to model battery chemistry.

Calculators

Ideal Camera Lens Geometry Workbench

Inspect ideal rectilinear field angles and a paraxial thin-lens depth-of-field scenario using an explicit blur-circle criterion.

Math

WGS 84 ECEF and Local ENU Workbench

Convert supplied geodetic coordinates to ellipsoid-based Cartesian coordinates and a declared local east-north-up frame.

Math

Sampled Signal Spectrum Workbench

Inspect a bounded real-sample DFT with explicit window gain, single-sided amplitude, phase threshold and a Parseval energy check.

Math

Digital Biquad Filter Workbench

Calculate normalized low-pass, high-pass or notch coefficients, inspect requested frequency responses and filter a short zero-state sequence.

Math

Bounded Principal Component Workbench

Inspect a small numeric matrix through centered covariance or standardized PCA with eigenpair and orthogonality witnesses.

Math

Multiple Linear Least Squares Workbench

Fit a small multiple-predictor model with an intercept, stable centered residuals and transparent rank/orthogonality checks.