Multiple Conversion Formats
Convert audio files such as M4A, MP3, and WAV; video files such as MP4, WEBM, and MOV; and images such as JPG, PNG, and WEBP into formats suited to your needs.
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Easy for BeginnersFile Selection Type
Permanently Redact Personal Information in PDF
Remove resident registration numbers, contact details, bank account numbers, or specified text from the original data.
PDF & DocumentsRemove Personal Information
Easy for BeginnersFile Selection Type
Compare Two PDF Files
Creates an HTML comparison table showing text changes between two PDFs.
PDF & DocumentsCompare
Easy for BeginnersFile Selection Type
Automatic PDF Summarization
Extract key sentences from a PDF locally and create a summary document.
PDF & DocumentsSummary & Questions
Easy for BeginnersFile Selection Type
Upscale images 2x or 4x
Uses AI upscaling when Real-ESRGAN is available, or high-quality Lanczos upscaling otherwise.
ImageRestore & Sharpen
Easy for BeginnersFile Selection Type
Automatic Face Blurring
Detect and automatically pixelate front-facing faces in photos.
ImageAutomatic Mosaic Blur
Easy for BeginnersFile Selection Type
Automatic Passport and ID Photo Sizing
Center-crop images to South Korean passport, 3×4, or U.S. passport photo dimensions.
ImageID Photo
Easy for BeginnersFile Selection Type
White Background for Product Photos
Detect the background around a product and replace it with white.
ImageProduct Photo
Easy for BeginnersFile Selection Type
Merge Videos
Standardizes videos with different codecs, resolutions, or no audio, then merges them in the selected order.
VideoMerge, Split and Adjust Speed
Easy for BeginnersFile Selection Type
Automatically Convert to Vertical Short-Form Video
Creates a 1080×1920 vertical video using center, face, or full-body detection. Detection accuracy varies depending on the composition.
VideoAspect Ratio & Layout
Easy for BeginnersFile Selection Type
Automatically Generate Video Subtitles
Uses Whisper to recognize speech in videos and generate SRT subtitles. Local translation and bilingual subtitles are also supported for Korean and English speech.
VideoSubtitles
Easy for BeginnersFile Selection Type
Audio Noise Reduction
Reduce low-frequency noise, high-frequency noise, and static.
AudioNoise & Volume
Easy for BeginnersFile Selection Type
Convert Audio Files to Text Subtitles
Transcribe speech with Whisper and generate SRT subtitles.
AudioSpeech Recognition
Easy for BeginnersFile Selection Type
Merge Multiple Excel Files
Copy all sheets from multiple XLSX files into one workbook.
Excel & DataMerge
Easy for BeginnersFile Selection Type
Compare Two Excel Files
Exports differing cells, their rows and columns, and their previous and new values to XLSX.
Excel & DataCompare
Easy for BeginnersFile Selection Type
Convert Table Image to Excel
Use OCR to extract a table from an image and organize it into XLSX rows and columns.
Excel & DataTable OCR
Easy for BeginnersFile Selection Type
Remove Office Document Metadata
Remove author information and document properties from PDF, DOCX, XLSX, PPTX, and other files.
Privacy & SecurityMetadata
Easy for BeginnersFile Selection Type
Anonymize Personal Information in Documents
Remove or mask personal information patterns in PDF, TXT, and DOCX files.
Privacy & SecurityPersonal Information
Easy for BeginnersDirect Input
Actual Net Profit for Online Stores
Calculate actual net profit after product costs, fees, advertising, shipping, and return costs.
CalculatorMargins & Profit/Loss
Easy for BeginnersDirect Input
Standard Application Form & Resume
Prepare using the South Korean Ministry of Employment and Labor's 2025 standard basic screening form.
Document Templatetemplate
Easy for BeginnersDirect Input
Experienced Professional Resume
An experienced professional's resume focused on roles, achievements, projects, and core competencies at each company.
Document Templatetemplate
Easy for BeginnersDirect Input
Standard Personal Statement
Creates a personal statement using the five questions in the South Korean Ministry of Employment and Labor's 2025 standard template.
Document Templatetemplate
Easy for BeginnersDirect Input
Quotation
Includes supplier, customer, items, quantities, unit prices, VAT, and validity period.
Document Templatetemplate
Easy for BeginnersDirect Input
Transaction Statement
Organize transaction dates, items, supply amounts, tax amounts, and totals.
Document Templatetemplate
Easy for BeginnersDirect Input
Meeting Minutes
Record the date and time, location, attendees, agenda, decisions, responsible persons, and deadlines.
Document Templatetemplate
Easy for BeginnersDirect Input
Comprehensive Website Audit
Check performance, SEO, accessibility, security, and mobile readiness in a single scan.
Websites & SEOComprehensive Check
Easy for BeginnersDirect Input
Page Speed Audit
Analyzes document size, requested resources, and rendering blockers, and displays results from the PageSpeed API integration.
Websites & SEOSpeed
Easy for BeginnersDirect Input
Basic SEO Audit
Check page titles, descriptions, canonical URLs, indexing, headings, and body structure.
Websites & SEOBasic SEO
Easy for BeginnersDirect Input
Broken Link Checker
Checks links on a page and summarizes error responses and access failures.
Websites & SEOBroken Links
Easy for BeginnersDirect Input
Check HTTP security headers
Checks security headers such as CSP, HSTS, and X-Content-Type-Options.
Websites & SEOSecurity Headers
Easy for BeginnersDirect Input
Check SSL Certificate Expiration Date
Check the HTTPS certificate issuer, validity period, and days remaining.
Websites & SEOSSL
Easy for BeginnersFile Selection Type
URL QR Code
Generate a QR code for a website URL.
QR Codes & BarcodesBasic QR Code
Easy for BeginnersFile Selection Type
Wi-Fi Connection QR Code
Generates a Wi-Fi connection QR code using the SSID, password, and security type.
QR Codes & BarcodesWi-Fi and Contact Information
Easy for BeginnersFile Selection Type
Read QR Code
Read the contents of a QR code in an image.
QR Codes & BarcodesRead Code
Easy for BeginnersFile Selection Type
Code 128 Barcode
Generate a Code 128 barcode from letters and numbers.
QR Codes & BarcodesEAN·ISBN·Code128
Easy for BeginnersDirect Input
Format JSON for readability
Format JSON with indentation and sorting options.
DeveloperJSON
Easy for BeginnersDirect Input
JSON Comparison
Compare added, removed, and modified paths between two JSON documents.
DeveloperCompare
Everything from file conversion to calculations and diagnostics in one place
REGOLITH is more than a collection of links. It provides functional web tools that take you from entering data and running tasks to reviewing and saving results. Original files remain unchanged, with results created separately. Each tool page explains supported formats, usage steps, and how to review results before you begin.
Getting Started Guide
Instructions for selecting files, configuring options, running tools, and saving results are available on a separate guide page and within each tool.
Detailed Task Descriptions
Provides format characteristics, recommended uses, guidelines for verifying calculation results, and precautions for handling sensitive files.