All tools — Page 19
969 useful tools. Browse a category or search the full toolkit.
Maze Practice Sheet Builder
Generate a connected wall maze with a unique route and a printable student sheet plus optional teacher path.
EducationFraction Model Practice Sheets
Create equal-part strip or zero-to-one number-line fraction diagrams with optional separate teacher fractions.
EducationDeclared Classroom Seat Plan
Print an authored seat grid and check declared apart-pair adjacency rules without assigning people automatically.
FilesEmail Source Text Exporter
Export selected MIME text parts and attachment metadata from a local .eml without rendering or sending the message.
FilesSelected Spreadsheet Source Values
Export selected XLSX cached source cells with explicit formula and missing-cache evidence, without recalculation.
DeveloperPairwise Test Case Builder
Generate constrained two-way parameter cases with explicit feasible-pair coverage and selected-case witnesses.
DeveloperState Transition Test Suite Builder
Build reset-to-start source test sequences covering every reachable transition in a declared deterministic state graph.
DeveloperGitHub Issue Form Builder
Generate a real issue-form YAML draft from a bounded input, textarea, dropdown and checkbox model.
DeveloperMobile App Link Association Builder
Create selected Android assetlinks.json or modern iOS universal-link association source without contacting a website or device.
DeveloperLocal OTLP Trace Timing Review
Inspect actual supplied OTLP JSON spans with exact nanosecond timing, parent evidence and union-clipped child intervals.
ImagesImage Pixel Color Sampler
Read a precise local image pixel’s RGBA values and download a whole-cell magnified patch around that coordinate.
ImagesScan Image Binarizer
Create an actual black-and-white scan PNG using an explicit global Otsu or clipped local-mean threshold model.
ImagesAndroid Nine-patch PNG Builder
Generate an uncompiled .9.png source with explicit stretch runs, content padding and a real one-pixel guide border.
CalculatorsDocument Print Sheet Manifest
Plan selected document pages across copies, N-up sides and duplex sheets, retaining a complete page-to-slot manifest and deliberate blank padding.
EducationCourse Prerequisite Evidence Workbench
Check authored course prerequisites against completed-course and placement facts, preserving alternative sets, missing scores and exact completed-credit evidence.
EducationObjective Response Item Analysis
Inspect objective-test response patterns with per-option counts, exact correct proportions and corrected item-total correlations under an explicit omission policy.
CalculatorsCamera Exposure and Bracket Plan
Plan an ideal equivalent shutter and a third-stop bracket after authored aperture, ISO and ND changes, with exact checks against your shutter limits.
CalculatorsSheet Metal Bend Development Workbench
Develop an authored sheet-metal strip into neutral straight and bend segments, keeping flange conventions, setback deductions and cumulative flat positions explicit.
EducationWeekly Class Timetable Builder
Print your authored weekly class chart and inspect exact cohort or room overlap witnesses.
TextRepeated Word Proofreader
Find adjacent literal word repeats and identical paragraphs while retaining original source offsets.
TextManuscript Index Builder
Compile authored subject entries, page ranges and see references into a printable manuscript index.
DataEmbedded JSON Field Extractor
Append scalar JSON Pointer fields from JSON text stored in CSV records while preserving numeric source spellings.
AccessibilityQuestionnaire Markup Builder
Export authored native questionnaire controls with labels, grouped radio choices and explicit help associations.
EducationCoordinate Plane Practice Sheets
Create an original labeled-point coordinate-reading worksheet with optional separate teacher coordinates.
CalculatorsCapture Interval and Time-lapse Plan
Plan authored still-image capture intervals with exact burst timing, window endpoints, overlap and card-capacity evidence, then calculate the resulting playback duration.
CalculatorsOffset Itinerary Connection Auditor
Audit authored multi-leg trips using known UTC-offset timestamps, exact transfer margins and optional place continuity, retaining every timing or location issue.
CalculatorsGarden Bed Planting Layout
Generate exact authored plant-center coordinates in aligned or half-staggered rows, respecting bed setbacks and closed exclusion areas with a minimum-spacing audit.
CalculatorsKnife Pleat Fold-line Layout
Mark exact crease and return positions for repeated knife pleats, with mirrored fold directions and complete raw-to-finished edge-length witnesses.
DeveloperDependabot Configuration Builder
Generate an actual version 2 Dependabot YAML draft from explicit update directories, schedules and selected repository settings.
DeveloperCSS Font-face Kit Builder
Generate escaped font-face CSS and optional first-face preload source from your authored web-font URLs and face descriptors.
DeveloperWebpack Stats Bundle Reviewer
Review actual selected Webpack 5 stats assets, chunk references and module source sizes while keeping emitted bytes separate.
FilesLocal Text File Search
Search your selected local UTF-8 text files for a literal string and download exact line, column and source-offset evidence.
ImagesConnected Image Flood Fill
Replace the connected color region around an explicit source pixel and download a real PNG with region-bound evidence.
ImagesPNG Drop Shadow Generator
Create a real expanded transparent PNG with a declared offset and finite box-blurred alpha shadow beneath the source.
FilesStatic SVG Source Allowlist Cleaner
Rebuild selected geometric SVG source under a closed allowlist and download a separate file with removal evidence.
TextSMS Segment Budget Reviewer
Inspect GSM-7 or strict BMP UCS-2 character costs and segment boundaries under an explicit concatenation-header profile.
AccessibilityMulti-level Table Markup Builder
Build bounded row and column header trees into escaped table markup with explicit associations for every data cell.
EducationLetter Feedback Candidate Reviewer
Filter your own word list against exact-position and remaining-letter feedback with repeated-letter evidence.
FilesMarkdown Task Collection Exporter
Collect local Markdown checkbox-task source with file and paragraph-line witnesses, without rendering or editing notes.
TextNumber to English Words
Spell exact bounded numeric source lines as English cardinal, ordinal or digit-by-digit decimal words.
Date & timePrintable Calendar Workbench
Create actual Gregorian month grids with your own dated notes, explicit week start and a complete note appendix.
EducationFamily Relationship Path Workbench
Trace two people through your supplied parent links and export closest-common-ancestor paths, generation counts and limited cousin-pattern evidence.
CalculatorsMap Scale Bar SVG Builder
Create a physical millimeter SVG map scale bar from your own scale ratio, distance units and bounded divisions, with exact position evidence.
EducationFretted Chord Diagram Builder
Draw your supplied fretted-string positions into an original SVG and inspect each resulting MIDI note with explicit tuning, capo and mirror conventions.
Date & timeDated Project Timeline Builder
Turn authored task dates, progress and point milestones into an original vector timeline with complete source rows.
DataFinite Decision Table Auditor
Enumerate declared categorical domains and show every rule gap, overlap, conflicting outcome and selected-rule witness.
FilesCalendar Event File Builder
Author a real multi-event ICS file with explicit UTC or all-day dates, stable identities and exclusive event ends.
FilesDraft Invoice Document Builder
Create an original printable invoice draft with authored parties, dates, exact line amounts and a transparent rounded total.