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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Frequently used categories are listed first, with concise card descriptions.
Web Tool CategoriesRanked by actual successful usage in the last 90 days
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PDF & Documents
49ToolsEasy for BeginnersFile Selection Type
Convert to PDF/A for long-term archiving
Convert PDFs to PDF/A format for long-term archiving.
PDF & DocumentsPDF/A
Easy for BeginnersFile Selection Type
Flatten PDF
Flatten annotations, form fields, and signatures to preserve their appearance.
PDF & DocumentsFlatten
Easy for BeginnersFile Selection Type
Create fillable PDF forms
Enter field names to create a fillable PDF form.
PDF & DocumentsForm
Easy for BeginnersFile Selection Type
Auto-Fill PDF Forms
Fills PDF form fields with JSON values and saves the result as a new document.
PDF & DocumentsForm
Easy for BeginnersFile Selection Type
Create a PDF from scanned images
Combine multiple photos or scanned images into one PDF.
PDF & DocumentsConvert Images
Easy for BeginnersFile Selection Type
Convert HTML to PDF
Convert HTML pages into PDF documents.
PDF & DocumentsConvert PDF
Easy for BeginnersFile Selection Type
Convert EPUB to PDF
Convert EPUB eBooks into PDF files.
PDF & DocumentsConvert PDF
Easy for BeginnersFile Selection Type
Convert ZIP Documents to PDF
Finds PDFs, images, and Office documents inside a ZIP file and combines them into a single PDF.
PDF & DocumentsConvert PDF
Easy for BeginnersFile Selection Type
Convert PDF to Markdown
Convert PDF text to Markdown with page titles included.
PDF & DocumentsExtract Text
Easy for BeginnersFile Selection Type
Translate PDF
Translates PDF text using LibreTranslate or Argos Translate.
PDF & DocumentsTranslate
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
Find Answers in PDF
Finds and summarizes PDF paragraphs most relevant to the key terms in a question.
PDF & DocumentsSummary & Questions
Easy for BeginnersFile Selection Type
Remove PDF Metadata
Removes PDF metadata such as author, title, and creator application.
PDF & DocumentsRemove Personal Information
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.