All tools — Page 20
969 useful tools. Browse a category or search the full toolkit.
Integer Arithmetic Practice Sheet Builder
Generate distinct integer four-operation practice from your bounds, with unambiguous missing-number prompts and a printable student sheet plus optional teacher key.
TextPseudolocalization Catalog Builder
Export a deterministic test-text catalog with accented letters, explicit scalar padding and protected selected variable tokens.
FilesMeeting Minutes Draft Builder
Create an original printable meeting-record draft with participant references, authored decisions and a complete follow-up register.
DataRequirements and Test Traceability Reviewer
Review authored requirement, test-status and link tables with complete gaps, orphan tests, dangling references and status evidence.
ImagesTransparent Sprite Component Extractor
Separate alpha-connected regions into individually masked PNG cutouts and download a ZIP with original-coordinate evidence.
DeveloperCSS Keyframe Timeline Builder
Build a typed transform and opacity timeline, then download actual CSS or a fixed standalone animation demonstration.
DeveloperInline CSP Hash Source Builder
Extract selected inline HTML script and style text, then export exact UTF-8 hash sources with parsed-content evidence.
ImagesCode Snippet Image Builder
Turn plain code or other short source text into an actual PNG with a measured monospace layout, title and optional line numbers.
ImagesSVG Symbol Sprite Builder
Combine simple local geometric SVG icons into one actual symbol sprite with stable IDs and explicit source-use examples.
EducationOpen-Top Paper Box Net Builder
Create an original open-top paper box cut-and-fold SVG from your dimensions, with optional glue tabs, exact paper fit and assembled face evidence.
AccessibilityKeyboard Section Widget Builder
Export an original standalone tabs or accordion widget from bounded plain text, with keyboard behavior and source-bound script policies.
DataCSV to SQLite Database Builder
Convert a small local CSV into a genuine SQLite3 database file with exact TEXT cells and an explicit one-table schema.
ImagesAlpha Signed Distance Map Generator
Create an opaque grayscale PNG encoding signed nearest-opposite pixel-center distances from a local image alpha mask.
DeveloperVS Code Snippet File Builder
Build an actual .code-snippets configuration from literal text, explicit placeholders, choices and linked tabstops.
DeveloperConventional Release Notes Builder
Turn supplied commit messages into a reviewable grouped Markdown release draft with exact source-record evidence.
FilesMarkdown Code Block Bundle Exporter
Extract actual Markdown code blocks into a safe-name local ZIP with original source-line evidence.
DeveloperSQLite Literal Insert Data Extractor
Recover typed source rows from a strict SQLite INSERT VALUES subset without running SQL.
EducationPrintable Protractor SVG Builder
Generate an original 180° or 360° paper protractor SVG with one-degree ticks, dual scales, center guides, exact paper fit and a size check line.
FilesEmail Reply Reference Auditor
Review local EML collections for exact reply-ID links, missing references, duplicate identities and cycles without exporting bodies.
EducationGeometry Transformation Practice Sheets
Create original translation, quarter-turn and reflection drawing worksheets with a genuinely optional separate teacher image and coordinate key.
DataVenn Set Diagram Builder
Turn two or three exact member lists and an explicit universe into a Venn SVG, complete region roster and printable comparison.
DeveloperShell Argument Literal Builder
Serialize an authored executable and string argument list into literal POSIX sh or PowerShell command source without running it.
DeveloperImage Map Markup Builder
Build a fixed-size HTML image map with accessible hotspot links, a real local PNG and coordinate evidence in one ZIP.
ImagesLocal Photo Mosaic Builder
Create a real photo-mosaic PNG by matching a small local tile collection to an original target image.
FilesANSI Styled Log Exporter
Export selected ANSI SGR log colors and emphasis as standalone HTML with original source-span evidence, without running a terminal.
EducationCross-Stitch Grid Chart Builder
Turn your original symbol grid and palette into a numbered printable cross-stitch chart with a complete key, repeat-only overlap and exact stitch counts.
DeveloperConnector Pinout Diagram Builder
Build a two-connector pinout SVG and complete wiring schedule from your explicit pin inventories and one-to-one connections.
DeveloperCSS Local Image Asset Embedder
Embed exact selected local image bytes into parsed CSS url() references and download a separate stylesheet with source-range evidence.
FilesEmail Delivery Status Report Inspector
Extract recipient-level action, status and original diagnostic evidence from a selected local delivery-status report.
DataTwo-stage Sankey Diagram Builder
Create an original quantity-proportional source-to-destination flow diagram with exact totals, complete tables and a real SVG or CSV export.
FilesOFX XML Statement Exporter
Export posted bank or credit-card transaction source rows from a selected local OFX 2.x XML file without changing amount, date or ID text.
ImagesPSD Composite Pixel Exporter
Export a small PSD file’s saved 8-bit opaque RGB or grayscale composite as a PNG, with original section and pixel evidence.
EducationNext-round Score Pairing Workbench
Build a complete next-round pairing for 2–18 active players, avoiding previous opponents and minimizing the exact total score gap. Export a round CSV, JSON report or printable table.
EducationWord Scramble Practice Sheets
Create checked letter-reordering practice from your own words and clues, with reproducible scrambles and a genuinely optional teacher key.
ImagesBefore and After Image Comparison Builder
Create a standalone before-and-after HTML comparison from two equal-size local images, with a keyboard range and embedded PNG copies.
ImagesImage Halftone SVG Builder
Convert a bounded local image into an original circle-dot SVG with explicit cell size, relative tone area and source-grid evidence.
FilesStatic RSS and Atom Feed Builder
Author a real RSS 2.0 or Atom 1.0 feed from original metadata and entries, with stable IDs, explicit UTC dates and safe literal summaries.
DataIBAN Format and Checksum Checker
Check one IBAN or a local list against pinned national formats and exact MOD97 arithmetic. Preserve original lines and download complete JSON or spreadsheet-protected CSV evidence.
Music & audioOnline Metronome and Tap Tempo
Practise with a local metronome, bar accents and equal subdivisions. Tap a tempo, explicitly start or stop, and download your session settings.
FilesBibTeX Library Subset Builder
Extract exact BibTeX records by citation key, retain one-level crossref parents and download an original-source bibliography subset.
FilesLocal ID3 Metadata Reader
Read leading plain-header ID3v2.3 or ID3v2.4 text metadata and frame positions from a local file. Download bounded source evidence without playing audio.
DataOrganization Chart SVG Builder
Create an original organization chart SVG from an employee and manager CSV, with exact source rows, reporting edges and a local download.
DataRACI Responsibility Matrix Builder
Build a local RACI responsibility matrix from an activity CSV, review explicit role counts and export semantic HTML, JSON evidence or normalized CSV.
FilesStandard MIDI File Inspector
Inspect local SMF tracks, events, running status and tempo maps. Export exact PPQ tick-to-time evidence; SMPTE files retain frame/tick inventory only.
ImagesICO PNG Resource Extractor
Recover original PNG size variants from a local ICO as a ZIP with directory evidence. DIB and other resources are listed explicitly without conversion.
DeveloperSequence Diagram SVG Builder
Turn participant and ordered message CSVs into a local sequence diagram SVG with call, signal, return and self arrows plus exact source evidence.
FilesBatch Text File Replacer
Replace one exact literal across selected local UTF-8 files and download all separate copies in a ZIP with complete change and SHA-256 evidence.
ImagesImage Distance Measurer
Measure spans on a local image with picked or entered coordinates, optional reference scaling and source-linked CSV, JSON or annotated SVG export.