Email & File Format Tools
The Email & File Format Tools collection on morrisfreetools provides free, privacy-first browser utilities and calculators built by Anthony Morris. All calculations, format conversions, and data processing execute locally in your web browser memory using JavaScript and WebAssembly, guaranteeing zero server uploads and complete privacy.
โก Which Email & File Format Tools tools are available for instant use?
EML File Viewer & Online Reader (RFC 822 / MIME)
Open and read .eml email files directly in your browser: parse sender, recipient, date, subject, rich HTML body, and preview/download attachments privately.
Outlook MSG File Viewer & Reader
Parse Microsoft Outlook .msg binary files in your browser: extract email headers, formatted text/HTML body, and attachments without Outlook.
XML Viewer, Tree Explorer & Formatter
Interactive collapsible XML tree viewer: validate XML syntax, search nodes, beautify/indent, minify, and inspect attributes with zero upload.
Email Header Analyzer & SPF/DKIM/DMARC Inspector
Paste raw email headers to trace email routing hops, delivery delays, sender IP geolocation, and SPF, DKIM, and DMARC authentication verdicts.
Email Signature HTML Tester & Previewer
Paste custom HTML signature code to preview render fidelity in Gmail, Outlook, and Apple Mail views, test image rendering, and check all clickable links.
MBOX Archive Viewer & Email Extractor
Read and search large .mbox mailbox backup files in your browser: browse individual emails, filter by sender or subject, and export selected messages.
Email Address Extractor & List Cleaner
Extract all valid email addresses from messy text, documents, or raw code: automatically remove duplicates, sort alphabetically, filter by domain, and export as CSV/TXT.
Email Address Syntax Validator & MX Domain Checker
Verify RFC 5322 compliance, detect disposable burner email domains, extract username/domain, and spot common typos like gmial.com.
VCF (vCard) File Viewer & Contact Converter
Open and parse .vcf contact card files: view contact names, phone numbers, emails, addresses, job titles, and export contacts to CSV or JSON.
ICS (iCalendar) File Viewer & Event Parser
Inspect .ics calendar invite files: view event titles, dates, timezones, recurring rules (RRULE), locations, attendee lists, and descriptions.
CSV Viewer, Data Table Grid & Formatter
View CSV files as interactive searchable tables: sort columns, filter rows, paginate large datasets, edit cells inline, and clean CSV delimiters.
TSV to CSV & CSV to TSV Delimiter Converter
Switch delimiter formats between Tab-Separated Values (TSV) and Comma-Separated Values (CSV) with smart quote escaping.
Email Template Merge-Tag & Variable Previewer
Test dynamic email templates with variables like `{{first_name}}`, `{{company}}`, `{{discount_code}}`: fill sample JSON test data and preview responsive HTML.
HTML Email Signature Generator (Gmail, Outlook, Apple Mail)
Design modern responsive email signatures with avatar photo, company logo, phone, social icons, and copy raw HTML or rich-text directly.
Email Subject Line Tester & Open Rate Optimizer
Score email subject lines: check length limits, spam trigger words, emoji effectiveness, mobile preview truncation, and urgency sentiment.
Mailto Link Generator (Subject, CC, BCC & Body Text)
Generate formatted HTML `mailto:` anchor tags and encoded URL links pre-filled with recipient, CC, BCC, subject line, and message template.
CSV to JSON & JSON to CSV Converter (Bidirectional)
Instantly convert CSV spreadsheets to structured JSON arrays and flatten nested JSON objects back to clean delimiter-separated CSV files.
XML to JSON & JSON to XML Converter
Convert XML schemas and feeds into modern JSON trees or serialize nested JSON hierarchies back into clean valid XML documents.
YAML to JSON & JSON to YAML Converter
Convert Kubernetes manifests, Docker Compose files, and CI/CD pipelines between human-readable YAML and structured JSON formats.
Excel (XLSX/XLS) to JSON & JSON to Excel Converter
Upload spreadsheets (XLSX/XLS) to extract multi-sheet data as clean JSON objects, or generate native downloadable Excel workbooks from JSON.
SQL Query Formatter & Beautifier (PostgreSQL, MySQL, SQLite)
Format messy SQL code with capitalized keywords (SELECT, FROM, JOIN, WHERE), proper indentation, line wrapping, and dialect support.
File Diff Viewer & Side-by-Side Code Comparator
Compare two text files or code snippets side-by-side: highlight character-level additions, deletions, modified lines, and jump between changes.
Hex to Text & Text to Hex String Converter
Convert plain text strings into hex byte sequences with custom delimiters (0x, spaces, commas) and decode raw hex streams back to UTF-8 text.
Binary to Text & Text to Binary (8-bit ASCII/UTF-8) Converter
Translate English text to 8-bit binary codes (0s and 1s) and decode binary streams back into readable letters, words, and sentences.
Frequently asked questions about Email & File Format Tools
Q. What tools are in the Email & File Format Tools category? โผ
The Email & File Format Tools collection on morrisfreetools includes 24 browser-native utility tools for instant calculation and processing.
Q. Are all Email & File Format Tools tools private and client-side? โผ
Yes, every tool in Email & File Format Tools runs 100% locally in your browser with zero data sent to external servers.
Q. Who developed these Email & File Format Tools tools? โผ
All utilities were built and maintained by Anthony Morris.
Q. Is there any cost or subscription to use Email & File Format Tools tools? โผ
No, all Email & File Format Tools tools are 100% free with unlimited usage.
Who built these Email & File Format Tools and how is client-side privacy guaranteed?
Authored by Anthony Morris โข Creator & Project Lead โข Published: August 25, 2026 โข Updated: August 27, 2026
Anthony Morris founded and created morrisfreetools to provide fast, 100% client-side online calculators and utilities. Every single tool runs locally in your device's browser memory via WebAssembly and JavaScript, guaranteeing that no personal data, health metrics, text, or files are ever stored, uploaded, or tracked.