Small Toolbox한국어

Specialized file and workflow tools

Use these independent browser tools to organize files, validate document exports and review operational data. Choose the tool for your particular task. Each page explains accepted inputs, practical steps, available results and limitations.

Audio Peak and Channel Inspector

Inspect sample rate, channel count, peak level and possible clipped samples in an audio file.

Channel-level peak and possible-clipping measurements.

Open Audio Peak and Channel Inspector

Batch Certificate Maker

Turn a participant list into printable certificates for events or classes.

Certificates ready for browser printing.

Open Batch Certificate Maker

Class Schedule Conflict Checker

Find overlapping teaching or room assignments in an exported class timetable.

A conflict table and CSV report for manual scheduling changes.

Open Class Schedule Conflict Checker

Product Detail Image Checker

Check image dimensions, ratio and file size before publishing a product detail page.

A table identifying images requiring manual review.

Open Product Detail Image Checker

DST Embroidery File Inspector

Review stitch and jump commands before handing a DST design to an embroidery machine.

A basic command and stitch summary.

Open DST Embroidery File Inspector

EPUB Structure Inspector

Check whether an EPUB has basic required ZIP components and ebook metadata.

A structural preflight checklist.

Open EPUB Structure Inspector

Event Seating Organizer

Distribute attendees into table groups and review the result before an event.

Printable or exportable seating assignments.

Open Event Seating Organizer

Exam Form Variants Maker

Create alternate question orders for different exam versions and corresponding answer keys.

Multiple exam forms and a matching answer key.

Open Exam Form Variants Maker

Inventory Count Comparator

Compare stock ledger quantities to physical count quantities.

A list of quantity differences for follow-up.

Open Inventory Count Comparator

Invoice Payment Reconciliation

Compare invoice amounts against bank receipt records to find unmatched or differing amounts.

A discrepancy report and CSV export.

Open Invoice Payment Reconciliation

Move-In Photo Evidence Organizer

Organize property condition photos and notes for a move-in or move-out inspection.

A property-condition photo report.

Open Move-In Photo Evidence Organizer

Moving Box Inventory

Track which belongings are packed in each numbered moving box.

An organized box-to-item list for unpacking.

Open Moving Box Inventory

Print PDF Preflight

Inspect PDF page boxes and dimensions before commercial printing.

A PDF layout and page-box report.

Open Print PDF Preflight

Photo Contact Sheet

Arrange selected pictures into a printable thumbnail index.

A printable contact sheet.

Open Photo Contact Sheet

Duplicate Photo Finder

Compare files to find exact binary duplicates using file hashes.

A list of identical files for manual cleanup.

Open Duplicate Photo Finder

Purchase Order Three-Way Match

Compare purchase orders, delivery records and invoices to find mismatched quantities and prices.

A discrepancy report for procurement review.

Open Purchase Order Three-Way Match

Shipping Label Audit

Compare store orders with tracking-label exports before dispatch.

A shipment exception list with CSV export.

Open Shipping Label Audit

Audio Silence Locator

Locate quiet or silent intervals in an audio recording.

A list of potential silent intervals and timestamps.

Open Audio Silence Locator

Static Website Asset Checker

Find broken local links and missing referenced assets in a static site package.

A list of potentially broken internal resources.

Open Static Website Asset Checker

Survey Data Review

Inspect survey CSV data for missing entries and inconsistent response fields.

An audit report for survey-data cleaning.

Open Survey Data Review

SVG Laser Cutting Preflight

Inspect an SVG's dimensions and basic elements before sending it to a laser cutter.

A basic SVG preflight report.

Open SVG Laser Cutting Preflight

Tournament Bracket Maker

Generate a tournament fixture bracket from a participant list.

A printable tournament bracket.

Open Tournament Bracket Maker

Video Delivery Spec Inspector

Inspect basic codec, size and format information before submitting a video.

A technical media preflight summary.

Open Video Delivery Spec Inspector

Webtoon Upload Preflight

Inspect webtoon image sequence dimensions and file properties before upload.

A file-by-file webtoon preflight report.

Open Webtoon Upload Preflight

Before using a tool

Keep the original files and inspect the output, especially before work involving contracts, payments or equipment. The listed tools do not replace official verification or professional advice. Read each tool page for its exact supported file formats.