Best Email Parser Software and Apps Compared: 11 Email Parser Tools for Excel, CSV, and JSON
Eleven email parsers compared, and who each one is actually for
Picking the best email parser software comes down to four questions: how varied is your email, do you need data out of attachments, where does the output have to land, and what does the pricing scale like. This page compares 11 tools on exactly those points, says plainly where each competitor wins, and is published by MailParse, one of the tools listed.
Last updated July 2026
Connect a mailbox to pull .eml/.msg in bulk, or paste a raw email to test the converter now.
Create a free account to download. No credit card required.
There is no single best email parser. Mailparser and Docparser suit uniform, rule based email once the rules are built. Parseur, Parsio, and Airparser handle scanned documents and OCR. SendGrid Inbound Parse and Mailgun are developer webhook routes. Email Parser by Zapier is the cheapest starting point, and Nanonets targets enterprise compliance. MailParse, which publishes this page, is built for varied layouts with direct mailbox sync and Excel, CSV, and JSON output.
- Gmail & Outlook
- Connect your real inbox
- Excel / CSV / JSON
- Spreadsheet & API output
- Body & tables
- Named fields, not a dump
- No install
- Runs in your browser
Who publishes this page. MailParse is an email parser, and MailParse is one of the 11 tools compared below. We are not going to pretend otherwise or hand ourselves a trophy. Six of the tools here beat MailParse at something specific, and the table says so. If you are parsing scanned invoices, handwriting, or images, three of the products on this list are a better buy than ours, and we would rather tell you that now than sell you a subscription you cancel in a month.
An email parser is software that reads the data sitting inside your incoming email and turns it into structured rows you can use, whether that is an invoice total, an order number, a tracking code, or a lead's contact details. Instead of opening each message and copying values into a spreadsheet, the parser pulls the fields you care about and writes them to columns automatically. The "best" one is not a single product for everyone. It depends on how varied your email is, whether you need attachment data, where the output has to go, and how much volume you run.
How we compared them. Every claim below reflects each vendor's own published documentation and pricing pages, read in July 2026, not a lab benchmark. Where a tool's capability is a matter of public record, such as whether it runs OCR on a scan or whether it posts to a webhook, we state it. Where it is a judgment call, such as who a tool suits best, we say so in the "Best for" column and explain the reasoning underneath. Prices move, so check the vendor before you buy.
Three broad approaches split the category. Rule based parsers, such as Mailparser and Docparser, have you build a rule, zone, or filter set matching one exact layout, then run reliably once a format is configured. AI and field naming parsers, including MailParse, Parseur, Parsio, and Airparser, let you describe the values you want and read them across senders that format the same data differently, which means less rule maintenance as templates drift. Developer webhook services, such as SendGrid Inbound Parse and Mailgun, do not really parse business fields at all: they accept the mail, split the MIME, and hand the pieces to code you write. Knowing which of the three you actually need eliminates most of this list in about a minute.
What to look for in the best email parser
The features that separate a parser you trust from one you fight with, and how MailParse handles each.
Accuracy across varied layouts
Values must come through exactly as written, even when two senders format the same field differently. MailParse reads the field you name rather than matching one fixed pattern, so accuracy holds up when layouts vary.
Connects to your real inbox
The best parsers pull from the accounts your mail already lands in. MailParse connects Gmail, Outlook, Microsoft 365, and IMAP directly, or you can forward to a parsing address instead of routing everything through one inbox.
Handles the file, not just the body
Some data arrives inside a PDF or file rather than the body. MailParse reads the body and HTML tables and records each attachment by filename; if you need the contents of a PDF, the table below flags the tools that run OCR on the file itself.
Output your stack accepts
A spreadsheet user wants Excel or CSV; a system wants JSON. MailParse gives you a formatted .xlsx, a clean CSV for any import, and JSON through an API and webhooks, from the same parsed result.
Scales with your volume
Parsing ten emails is easy; parsing thousands without babysitting is the test. MailParse runs a backlog in one pass and parses new matching mail automatically as it arrives, adding a row each time.
Security and data handling
Inboxes hold sensitive data, so handling matters. Uploaded files are deleted after processing and your email is never used to train AI models, so parsing does not become a privacy problem.
How MailParse extracts your email data
Four steps from an inbox full of messages to a clean spreadsheet or API feed.
Connect or forward
Connect the Gmail, Outlook, Microsoft 365, or IMAP inbox your mail arrives in, or forward a sample message to a dedicated MailParse parsing address.
Name your fields
List the values you want as fields, such as invoice_number, order_total, or tracking_number. Describe the data instead of building a rule for each layout.
Pick a format
Choose a formatted Excel workbook, a CSV for any import, or JSON through the API and webhooks for an automated pipeline.
Run and reuse
Parse a backlog in one pass and let new mail flow in automatically. Save the setup and adjust fields anytime from a form, not code.
Who needs an email parser
The teams that get the most out of automated email parsing.
Accounting & AP teams
Pull invoice and receipt data from many vendors, each with its own layout, into one spreadsheet ready for QuickBooks, Xero, or NetSuite, without a rule per supplier to maintain.
Ecommerce & operations
Turn order and shipping confirmations from Shopify, Amazon, Etsy, and other channels into a single tracker with order numbers, totals, and tracking codes as columns.
Developers & automation
Take JSON from an API and webhooks to post parsed email straight into a database or app, replacing a brittle rule set or a basic Zapier email parser step.
Sales & operations data
Convert high volumes of notification, form, and lead emails into clean rows for reporting and follow up, without writing and testing patterns by hand.
Where the other email parsers beat MailParse
Parseur, Parsio and Airparser win on scans
All three run OCR on scanned PDFs and images, and Airparser reads handwriting. MailParse reads the email body and HTML tables and records attachments by filename, so it is not a document or OCR product. If your invoices arrive as photos or scans, buy one of those three rather than ours.
Nanonets wins on compliance
Nanonets publishes SOC 2 and HIPAA coverage, SAML single sign on, and on premise deployment. If your security review requires any of those, MailParse will not clear it today and Nanonets is the safer purchase.
Zapier and Mailgun win on price
Email Parser by Zapier is included with a Zapier plan you may already pay for, and Mailgun Routes cost very little at low volume. For simple, uniform plain text email on a tight budget, neither is worth replacing with a paid parser.
Mailparser wins on mature rule sets
If your email is uniform and you already have a working Mailparser rule set, it will keep running reliably. Switching to field naming buys you little when the layout never changes, so staying put is the rational call.
Best email parser software compared: all 11 tools
Eleven parsers, side by side, on the five things that decide the purchase. The list covers the rule based tools (Mailparser, Docparser, Parserr), the AI and OCR tools (Parseur, Parsio, Airparser, Nanonets), the developer webhook services (SendGrid Inbound Parse, Mailgun), the budget option (Email Parser by Zapier), and MailParse. Read the "Best for" column first: it will usually eliminate eight of the eleven immediately.
| Tool | How it reads email | Attachments & OCR | Output | Pricing model | Best for |
|---|---|---|---|---|---|
| MailParse | Name the fields you want and MailParse reads them across varied layouts | No, records attachments by filename; use a document tool for file contents | Excel, CSV, JSON, API and webhooks | Flat monthly plans by volume | Varied layouts in the email body and HTML tables, when you want a spreadsheet and an API from one parse |
| Mailparser | Rules and filters you build per layout | Text based files (PDF, CSV, XLSX, DOCX). No scan OCR | Excel, CSV, JSON, integrations | Monthly tiers by emails parsed | Uniform, high volume email once the rules are built |
| Parseur | AI plus a visual template editor | Yes, including OCR on scanned PDFs | Many formats through integrations | Credit tiers, roughly per page | PDF and document heavy parsing where scans are common |
| Docparser | Rule based zones with OCR, document first | Yes, built around PDF documents | Excel, CSV, JSON | Monthly tiers by documents parsed | Structured PDF documents such as invoices and purchase orders |
| Parsio | Four engines: AI, GPT, template and OCR | Yes, including DOCX, XML, TXT and OCR | Spreadsheets, JSON, native integrations | Credits, about 1 to 3 per page | Mixed document types on a smaller budget |
| Airparser | LLM extraction from email and documents | Yes, including scans, images and handwriting | Spreadsheets, JSON, integrations | Credits, 1 per email, page or image | Handwriting, photographed receipts and image based documents |
| Parserr | Rule builder configured per sender format | Attachment parsing supported | Excel, CSV, integrations | Monthly tiers by emails parsed | Teams already committed to per template rule upkeep |
| Nanonets | Trained AI document models with classification | Yes, strong OCR on scans | Excel, CSV, JSON, ERP integrations | Credit based, usage priced per run | Enterprise buyers needing SOC 2, HIPAA, SSO or on premise |
| Email Parser by Zapier | Template on plain text, each value on its own line | No attachment contents, expiring links only | Passed to other apps through a Zap | Included with a Zapier plan | Simple, uniform plain text email on a tight budget |
| SendGrid Inbound Parse | No field parsing. Splits the MIME and posts it to your endpoint | Attachments forwarded to your code as multipart | HTTP webhook payload you handle yourself | Free with a SendGrid account | Developers who want raw inbound email and will write the parser |
| Mailgun Routes | No field parsing. Route matches, then posts the message | Attachments forwarded to your code | HTTP webhook payload you handle yourself | Pay as you go, very low at small volume | Developers on Mailgun already, at low inbound volume |
Each row reflects the vendor's own published documentation and pricing pages as read in July 2026, not an independent lab benchmark. Pricing models are described structurally because published prices change; check the vendor's pricing page before you buy. MailParse publishes this comparison and is one of the tools listed.
Frequently asked questions
What is the best email parser?
The best email parser depends on your email. If you receive many different layouts and spend time maintaining rules, a field naming or AI based tool like MailParse fits well because you name the data you want and it reads it across formats. If your emails are uniform and your existing rules work, a rule based parser may be all you need. Match the tool to how varied and how high volume your mail is.
What is the best email parser software?
The best email parser software depends on the shape of your email. Mailparser and Parserr lead on uniform, rule driven mail. Parseur, Parsio, and Airparser lead when documents and scans are involved. Nanonets leads on enterprise compliance. MailParse leads when layouts vary and you need both a spreadsheet and an API from the same parse.
Which email parser is best for scanned PDF invoices?
For scanned or photographed invoices, choose a parser with real OCR: Parseur, Parsio, Airparser, Nanonets, or Docparser. Airparser also handles handwriting. MailParse reads the email body and HTML tables and records attachments by filename, but it does not open the files or run OCR, so it is the wrong tool for a stack of photographed paper invoices.
Is MailParse the best email parser?
Not for everyone, and we publish this page. MailParse is the strongest fit when your email arrives in varied layouts from many senders, you want to name fields without templates, and you want Excel, CSV, and JSON from one parse. It is the wrong choice for scanned documents, for a team that needs SOC 2 or on premise deployment, or for simple plain text email that Zapier already handles.
Can an email parser read attachments?
Some document tools extract data from attachments, not just the message body, which matters when invoices, receipts, and statements arrive as PDFs. MailParse reads the email body and HTML tables into named fields and records each attachment by filename, type, and size. When the data lives inside a PDF or spreadsheet, run the file through a document extraction tool and merge the result with the parsed email.
What is the best email parser for Gmail?
For Gmail, the best option connects to your account directly so you can parse messages in place rather than forwarding everything elsewhere. MailParse connects to Gmail, Outlook, Microsoft 365, and IMAP, lets you pick the label or messages to parse, and exports the fields you name to Excel, CSV, or JSON, with no Google Apps Script to write or maintain.
How much does an email parser cost?
Pricing ranges widely, from free or low cost plans for small volumes to enterprise tiers for high volume parsing, usually based on how many emails or documents you process each month. The right choice balances volume, attachment support, and integrations against price. Look for a tool that scales affordably as your email grows rather than one with steep jumps between tiers.
Is there a free way to try an email parser?
Yes. You can test MailParse by pasting an email or connecting an inbox to see your named fields land in a clean spreadsheet before committing, and paid plans add scheduled parsing, higher volume, and API access. Trying a sample of your real email is the fastest way to confirm a parser reads your specific layouts accurately before you choose it.
What is the difference between a rule based and an AI email parser?
A rule based parser, such as Mailparser or Docparser, matches a pattern or zone you configure for one exact layout, so it is reliable on uniform email but breaks when a sender changes formatting. An AI or field naming parser like MailParse reads the values you name across layouts that differ, so it needs far less maintenance when your email varies.
What is the best email parser for Outlook?
For Outlook and Microsoft 365, the best parser connects to your account directly so you parse mail in place instead of forwarding everything out. MailParse connects to Outlook, Microsoft 365, Gmail, and IMAP, lets you pick the folder or messages to parse, and exports the fields you name to Excel, CSV, or JSON, with no Power Automate flow or VBA macro to build and maintain.
Which email parser is best for developers?
Developers who want raw inbound email should use SendGrid Inbound Parse or Mailgun Routes. Neither extracts business fields: they accept the message, split the MIME, and post it to your endpoint, leaving the parsing to your code. Choose a field level parser with an API, such as MailParse, only when you would rather not write and maintain that extraction logic yourself.
What is the best email parser app for a small business?
A small business with uniform, plain text email is usually well served by Email Parser by Zapier, which comes with a Zapier plan. Once layouts vary between senders, or data sits in attachments and HTML tables, a dedicated parser earns its cost by removing the manual retyping. Parsio and MailParse both start at small business pricing.
Try the email parser built for varied email
Connect a mailbox or paste an email and see your fields land in a clean spreadsheet in seconds.