All tools — Page 14
983 useful tools. Browse a category or search the full toolkit.
Guarded CSV Cell Change Applier
Create a changed CSV only after every explicit key, target cell and expected prior value passes an atomic guard.
DataRelational CSV to Nested Records
Pack explicit parent and child fields into nested JSON after checking parent consistency and child-key uniqueness.
DataDeclared Survey Scale Score Builder
Score user-defined item scales with explicit reverse coding, answered-item thresholds and exact rounded sums or means.
DataBounded CSV Arithmetic Column
Create a numeric CSV column from a fixed JSON arithmetic AST without executing spreadsheet formulas or user code.
DataBounded Record Linkage Candidate Review
Generate cross-table text-similarity candidates inside explicit exact blocks while retaining ambiguity for human review.
SEODeclared Hreflang Cluster Auditor
Check a supplied group of localized page declarations for self entries, return links and conflicting language targets.
SEOOffline Site Link Inventory Auditor
Review supplied page/link topology for minimum link depth, isolated documents and targets absent from your inventory.
SEOOffline Organic Search Period Comparison
Compare user-supplied query/page metric extracts with explicit count aggregation, denominators and absent-period evidence.
SEOExplicit Campaign URL Batch Builder
Build a local CSV campaign URL batch with encoded fixed UTM fields and an explicit conflict policy.
TextLiteral Delimited Record Extractor
Extract named fields from explicit literal record markers with missing, repeated and incomplete-marker evidence.
TextSimultaneous Literal Token Substitution
Apply explicit consistent replacement labels to a plain-text excerpt without sequential replacement cascades.
TextPlain-text Annotation Selector Auditor
Check declared text-position and quote anchors against an exact local excerpt while retaining stale and ambiguous matches.
TextHash-guarded Selective Text Changes
Inspect exact line-change hunks and apply only selected content-derived IDs against a guarded base and proposal.
EducationCloze Passage Practice Builder
Create a printable gap passage from author-selected Unicode ranges, with an optional word bank and separate teacher key.
EducationMatching Pairs Worksheet Builder
Lay out your own matching pairs with a shuffled answer column and an optional separate teacher mapping.
EducationConstrained Team Roster Builder
Find a complete roster with exact team sizes and explicit pairs that must remain apart, or return a bounded feasibility result.
AccessibilityReviewed HTML Accessibility Annotations
Inspect eligible static attributes and apply a hash-guarded, author-approved alt, form-name or language change list.
FilesEPUB Package Reference Reviewer
Inspect a bounded EPUB ZIP’s mimetype, container, manifest, fallback and spine references without opening publication content.
CalculatorsMulti-debt Payoff Strategy Comparison
Compare explicit snowball and highest-rate payment schedules across several entered debts with exact cent accounting.
CalculatorsEntered Loan Refinance Scenario Comparison
Compare two quoted loan-payment scenarios at the same horizon while including upfront or financed fees and remaining balances.
CalculatorsInvoice Line Rounding and Reconciliation
Inspect exact invoice bases, per-line or per-rate tax rounding, and a discrepancy against your entered total.
CalculatorsWhole-share Issuance and Dilution Scenario
Reconcile named holders before and after primary share issuance with an explicit outstanding or reserve-inclusive denominator.
CalculatorsInvoice Aging Snapshot
Group entered open invoice amounts at one UTC as-of date with exact cents and explicit age boundaries.
CalculatorsExpiry-ordered Lot Consumption Plan
Allocate dated whole-unit demand from available lots in expiry order and reconcile consumption, waste and carry.
CalculatorsDeclared Unit Vesting Schedule
Build a monthly unit-release schedule from your grant, cliff and original-day calendar convention.
EducationFinite Decision-tree Rollback
Evaluate a finite chance-and-decision tree with exact conditional values, explicit costs and retained best-branch ties.
EducationStrict Preference Stable Matching
Construct and verify a stable one-to-one matching from complete two-sided rankings, with either side proposing.
EducationRanked Ballot Method Comparison
Compare plurality, Borda, instant runoff and pairwise Condorcet results from your weighted complete preference ballots.
EducationSeeded Knockout Bracket Builder
Build a source-linked knockout bracket with transparent seed slots, byes and pending winner dependencies.
MathLeave-one-out Statistic Influence
Inspect every deleted-observation estimate, exact changes and a declared jackknife summary for mean or sample variance.
MathHierarchical Dissimilarity Clustering
Build exact single, complete or average-linkage merges and a chosen cluster cut from your dissimilarity matrix.
MathExact Binary Runs Test
Count an exact fixed-class-size runs distribution and explicit inclusive tails for a supplied binary sequence.
MathStructured Dimensional Equation Auditor
Check every term of a structured SI equation for dimensional homogeneity without executing an expression.
MathSimply Supported Beam Load Balance
Compute exact reactions, left/right shear and moment extrema for a declared simply supported span with point and partial uniform loads.
MathSingle-transition Enthalpy Balance
Track a supplied solid/liquid batch through sensible heating, partial transition and cooling with exact energy conservation.
DeveloperNpm Dependency and Lock Metadata Inspector
Compare package.json dependency declarations with an npm lockfile and inspect repeated versions and install-script metadata.
DeveloperCompose Explicit Dependency Inspector
Trace explicit depends_on relationships in a self-contained services-only Compose model without starting containers.
SEOWeb App Manifest URL and Scope Workbench
Inspect selected manifest members, resolve launch/icon URLs and test navigation targets against the declared scope.
DeveloperDNSSEC DS Record Builder
Calculate SHA-256 or SHA-384 DS records from a public DNSKEY field, with canonical DNS owner bytes and a key tag.
FilesClassic PCAP Capture Inspector
Inspect classic PCAP packet lengths and exact timestamp fields, or extract one captured payload as a separate binary file.
FilesOpenType Font File Inspector
Read a TTF/OTF table directory, checksums, selected naming records and basic font-unit metadata without loading the font.
FilesglTF and GLB Resource Inspector
Inspect a glTF 2.0 JSON or GLB file, its buffer ranges, node hierarchy and inert image-resource references.
FilesSQLite Snapshot Schema Inspector
Read schema objects and selected file-header metadata from a bounded standalone SQLite rollback-journal snapshot without executing SQL.
FilesJava Class File Metadata Inspector
Read a .class file’s declared version, class names, fields, methods and opaque attribute ranges without loading bytecode.
FilesGit Index File Inspector
Inspect a copied Git index file’s paths, merge stages, object IDs and checksum without opening or changing its repository.
DeveloperHLS Media Playlist Timing Inspector
Inspect declared M3U8 media-segment durations, exact sequence numbers and byte ranges without fetching a stream.
DeveloperSBOM Dependency Explorer
Explore component inventories and declared dependency reachability in CycloneDX 1.6 or SPDX 2.3 JSON without fetching packages.
ImagesBinary Pixel Outline to SVG
Threshold a supported local raster and trace its exact pixel-cell boundaries into a separate black SVG silhouette.