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New: 17 free file converters that never upload your files

Outreach
Cold email outreachCampaigns written, sent and managed for you
LinkedIn outreachConnection and message sequences that book calls
Email deliverabilityFix spam placement and protect sender reputation
Private email server setupYour own sending infrastructure, configured
Online presenceWebsite, listings and profiles buyers can trust
Data
Email list buildingVerified prospects by industry, title and location
LinkedIn prospectingDecision-makers sourced from Sales Navigator
Data cleansingRemove bad, duplicate and outdated records
Data appendingFill missing emails, phones and company data
Email appendingAdd verified emails to your contact list
Data miningCustom research from the web and directories
Not sure where to start?
Tell us who you sell to. We will send a free sample list and a domain health report.
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Find emails
Email finderWork email from a name and company
Find email from LinkedInWork email from a LinkedIn URL
Email verifierIs this address safe to send to?
Reverse email lookupFind person info by email
Find LinkedIn by emailLinkedIn profile behind an email
Find phones and companies
Find phone from LinkedInPhone number from a LinkedIn URL
LinkedIn contact finderPhone and email from a LinkedIn profile
Find phone by emailPhone number from an email address
Reverse phone lookupProfessional details from a number
Company lookupSize, industry and revenue from a domain
Need thousands of leads?
We build verified lists by industry, title and location, ready to upload to your sending tool.
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Check
Email copy spam checkerFind spam trigger words before you send
Domain scannerFull health report for a sending domain
SPF checkerValidate your SPF record
DKIM record checkerConfirm your DKIM signature is published
DMARC checkerRead and grade any DMARC policy
Create and plan
SPF record generatorBuild a correct SPF record in seconds
DKIM record generatorGenerate a DKIM key pair and record
DMARC record generatorPick a policy and copy the record
DNS lookupSee every DNS record for a domain
MX lookupWhich mail servers a domain uses
Cold email calculatorMailboxes, domains and volume you need
All 38 free tools
Lead finders, email checks and file converters in one place. No signup for the basics.
Browse free tools
PDF and documents
Color PDF to black and whiteGrayscale or B&W for printing
Compress PDF to 300KBHit an exact upload size
Combine JPG to PDFMerge images into one PDF
Bank statement to ExcelPDF statement to a spreadsheet
ODT to PDFLibreOffice documents to PDF
EML to PDFSaved emails to PDF
Text and subtitles
TXT to SRTScript to subtitle file
SRT to TXTSubtitles to clean text
VTT to SRTWebVTT captions to SRT
TXT to JSONText to valid JSON
TXT to CSVText file to CSV
Contacts, data and images
CSV splitterSplit big CSV files
CSV to VCFSpreadsheet to phone contacts
VCF to CSVvCard contacts to Excel
Email extractorPull emails out of any text
DNG to JPGRAW photos to JPG
PFP cropperCircle profile pictures
Your files never leave your device
Every converter runs in your browser. Nothing is uploaded or stored.
See all free tools
By industry
Dentist email listPractices, owners and dental decision-makers
Physicians email listDoctors by specialty and location
Real estate agent listAgents and brokers across the US
Property searchOwner and property records for outreach
Need a different market?
We build custom lists for any industry, title and region.
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LeadCanal
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TestimonialsWhat clients say about working with us
Blog and guidesCold email, data and deliverability guides
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Tag: Spark Technology Users Database

Apache Spark Users List for B2B Sales, Account Targeting and Business Growth

October 12, 2026

Verified B2B data, cold email infrastructure and outreach that lands in the inbox. Built and run by a team that sends every day.

Services

Cold email outreach
Email list building
Email deliverability
LinkedIn outreach
Data appending

Lead finder

Email finder
Find phone from LinkedIn
Find LinkedIn by email
Find phone by email
Reverse email lookup
Email verifier

Deliverability tools

Domain health checker
Email spam checker
SPF checker
DMARC checker
All tools

Free converters

TXT to SRT
Color PDF to black and white
Bank statement to Excel
EML to PDF
DNG to JPG
PFP cropper

Company

About us
Blog
Contact us
Privacy policy
Remove your data

© 2026 LeadCanal. All rights reserved.

Outreach run in line with CAN-SPAM and GDPR.