All tools — Page 18
969 useful tools. Browse a category or search the full toolkit.
Local Typing Speed Practice
Type against your chosen passage with active-time speed, exact-position accuracy and an explicit paste/Unicode scoring policy.
DeveloperFocused Keyboard Event Tester
Inspect key, code, modifiers and repeat only inside an explicitly armed keyboard test area.
DeveloperFocused Mouse and Wheel Tester
Inspect local pointer/button and raw wheel delta-mode observations inside a deliberately armed test area.
ImagesStatic Browser Display Patterns
Show selectable static colors, RGB bars, gray steps and a grid for direct visual comparison in a local panel.
CalculatorsManually Calibrated Screen Ruler
Match a known real reference yourself, then view bounded millimeter ticks with explicit calibration and resize status.
Date & timeFocus and Break Session Timer
Run a declared local focus/break cycle with explicit phase starts, hidden-tab pauses and completed-phase evidence.
EducationLocal Flashcard Study Queue
Reveal and self-mark your own local cards, reviewing first-pass misses once without saving a study history.
CalculatorsCurtain Panel Fabric Planner
Plan full-width sewn curtain panels, seam and hem allowances, matched vertical repeats and one rounded fabric purchase with individual strip cuts.
CalculatorsEqual-gap Member Layout Planner
Find equal clear gaps and exact edge/center mark-outs for repeated members across multiple openings using chosen counts or authored gap bounds.
CalculatorsStitch Gauge and Repeat Planner
Convert measured stitch and row gauge into positive repeat-compatible pattern counts with nearest, at-least or at-most sizing and exact errors.
EducationScheduled Check-in Streak Workbench
Audit completed dates against scheduled weekdays and excusals, revealing uninterrupted due-date runs, misses and duplicate or non-due activity.
CalculatorsDispatch Cutoff Calendar Planner
Project orders through authored dispatch cutoffs and separate delivery business calendars with explicit holiday exclusions and intermediate handoffs.
CalculatorsHorizontal Tank Dip Table Workbench
Create an ideal horizontal flat-ended cylinder dip table, calculate partial filled and remaining volumes, and invert entered volumes to approximate levels.
CalculatorsIrrigation Catch-can Sample Audit
Audit equal-opening catch-can samples into exact water depths, measured application rate and low-quarter distribution uniformity with ranked evidence.
CalculatorsLinear Tolerance Stack Evidence
Bound an authored add/subtract assembly dimension chain with asymmetric component limits, integer copy counts and exact extreme witnesses.
DeveloperUnix Permission Workbench
Translate declared Unix mode bits and calculate a no-default-ACL umask creation result without touching a filesystem.
DeveloperPOSIX Relative Path Workbench
Calculate normalized absolute targets, relative routes and common ancestors from an explicit POSIX-style base path.
FilesDirectory Tree Artifact Builder
Create a README-ready Unicode or ASCII directory tree and inventory from an explicit relative-path list.
FilesExact-size Test File Generator
Generate a real local binary test file with an exact byte count, explicit contents and a SHA-256 checksum.
FilesLocal Authenticated File Encryption
Encrypt or authenticate-decrypt one local file using a documented TJEF v1 AES-GCM password container, without uploading the bytes.
ImagesTransparent Image Batch Trimmer
Trim a supplied image batch to alpha-threshold content bounds and export actual padded PNG copies with source-coordinate witnesses.
ImagesSimilar Image Collection Review
Review perceptual-fingerprint candidate pairs across a small local image collection, with exact Hamming distances and explicit false-match limits.
PDFRaster Poster Tiling PDF
Turn one static image into a real multi-page poster PDF with explicit physical width, paper margins and assembly overlap.
TextAbbreviation First-use Auditor
Check your declared abbreviations for exact first-use expansion, exemptions and original-source occurrence evidence.
TextManuscript Reference Auditor
Review numbered citation order or literal footnote labels against a separately supplied reference list.
DataNormalized Key Collision Reviewer
Expose distinct raw CSV identifiers that collapse under your declared Unicode, ASCII case and edge-space rules.
TextBibliographic Identifier Workbench
Check ISBN-10, ISBN-13 and ISSN source shapes and check digits, with explicit 978 ISBN conversion evidence.
TextPrintf Translation Argument Checker
Compare a restricted printf source/translation argument contract without running either format string.
FilesLocal Markdown File Link Auditor
Review links and images across actual selected Markdown notes and asset files without opening their destinations.
FilesDocument Review Comment Exporter
Export classic DOCX comments and selected main-story anchor evidence as local JSON or CSV source records.
CalculatorsAppliance Time-of-use Start Planner
Slide authored appliance power profiles over a fixed price sequence and compare every permitted start, including exact cheapest ties and baseline cost.
CalculatorsRainwater Storage Balance Workbench
Follow entered rainfall and demand through a finite rainwater store, with captured water, overflow, supplied demand and exact period balance witnesses.
CalculatorsPhysical Stocktake Count Workbench
Compare primary or recount physical observations with book stock, converting package counts to base units and retaining missing counts and signed cost differences.
CalculatorsService Project Estimate Workbench
Build an authored service-project estimate from labor visits, minimum time blocks, resources, overhead and contingency, with one final price rounding and optional fee comparison.
CalculatorsRolled Material Usage Planner
Follow cut and trim withdrawals from a measured-length or diameter-derived ideal roll, preserving length bounds and estimated remaining outside diameter.
CalculatorsStair Step Layout Workbench
Enumerate ideal uniform-riser stair profiles inside your entered rise and projection bounds, with a declared top-tread convention and exact coordinate trail.
EducationWritten Arithmetic Step Workbench
Inspect decimal-column carries, borrow flags, multiplication partial products or long-division remainders for your whole-number calculation, with an exact final identity check.
EducationExam Pacing Timetable Workbench
Build an authored exam question checkpoint plan from available seconds, opening/review reserves, breaks, optional fixed sections and exact source-order time allocation.
CalculatorsAssembly Station Takt Auditor
Audit your task-to-station assignment against customer takt, with exact grouped work, bottleneck ties, precedence violations and a declared ideal pipeline capacity model.
CalculatorsAvailable-to-promise Order Workbench
Reserve entered stock and future receipts for prioritized orders, with full or split confirmation dates, unconfirmed quantities and a complete supply-to-order allocation trail.
CalculatorsDegree-day Series Auditor
Calculate authored-base heating and cooling degree days from a dated temperature series, with missing-date evidence, monthly totals and selected period coverage.
CalculatorsMetric Tire Size Comparison
Compare supported short metric tire codes against a baseline, with nominal sidewall/diameter dimensions, exact speed ratios and approximate circumference and revolution estimates.
CalculatorsMulti-leg Baggage Rule Auditor
Audit fixed passenger/bag assignments against separate authored leg rules, preserving per-person pieces, individual and pooled weights, rotatable dimensions and every violation.
CalculatorsWorkout Interval Itinerary Builder
Expand authored distance/time movement and pause blocks into exact elapsed-distance checkpoints, with repeat source mapping and optional final recovery omission.
EducationAddition Cryptarithm Workbench
Solve a bounded addition letter-digit puzzle with distinct digits, fixed clues, exact sum/carry witnesses and explicit infeasible, unique, multiple or incomplete status.
DataText-cell Table Pivot
Reshape unique row-key and field records into a wide string table without numeric aggregation.
TextLocalization String Budget Reviewer
Check keyed translations against your declared grapheme, UTF-8 byte and logical-line budgets.
EducationVocabulary Coverage Reviewer
Compare a reading passage with your own vocabulary list and inspect covered tokens and unknown-word evidence.