Quickly Combine TXT Text Files Online (Notepad) - Flipper File

Dolphin TXT Files

TextMerge - Combine Text Files

Drag and drop your text files

Supports .txt files — or click to browse

Select Files

Combination Options

File Separator

Include original filenames as comments

Trim leading/trailing whitespace

Output Filename

Our Full Text Tool Library

AI Prompt Formatter & Cleaner Free (no login)

Format & Validate Phone Numbers Free Online

ROT13 & Caesar Cipher Online for Free (no login)

Hex to Text Converter Online Free (no login)

Convert Binary to Text Online Free (no login)

Morse Code Converter Online Free (no login)

Sample Files, TXT

Download Sample VCARD Files

VCF File Viewer — Open VCard Online Free (no login)

Convert INI to XML Online for Free (no login)

Sample Files, TXT

Download Sample TSV Files

Sample Files, TXT

Download Sample INI Files

Sample Files, TXT

Download Sample RTF Files

Sample Files, TXT

Download Sample Log Files

Excel, Sample Files, TXT

Download Sample XLSX Files

CSV, Sample Files, TXT

Sample CSV Files for Testing

Sort Lines in a Text File Online Free (no login)

Detect Text File Encoding Online Free (no login)

Add Text to PDF Online for Free (no login)

Convert Word to EPUB Online (DOCX to EPUB) — Free, Private, Browser-Based

CSV, Excel, TXT

Excel-Proof CSV Toolkit – Prevent Excel from Removing Leading Zeros & Breaking Data

CSV, Developer, Excel, TXT

Universal Data Workbench (JSON, CSV, XML & Text Editor, Cleaner & Converter Online)

CSV Validator and Error Finder (Online) – Validate and Clean CSV Files

Randomize Text Case Tool (RaNdOm, aLtErNaTiNg & More)

Numbers to Words Converter (With Currency & Case Options)

Large Number to Scientific Notation Converter (Exponents & E-Notation)

Longest Line Finder – Find the Longest Line in Text Files (or shortest)

CSV Row to Column Converter – Convert Rows into Columns Online

CSV Column to Row Converter – Transpose CSV Data Online

Roman Numeral Converter (Roman ↔ Decimal) | Free Online Calculator

Text to Octal Converter — Convert Octal to Text Online, Free

Round Numbers Online – Free Bulk Number Rounding Tool

Character Accent Remover (Free Online Tool) – Remove Accents from Text, TXT & DOCX Files

Remove Numbers from Text – Free Online Tool

JSON to TSV Converter — Convert JSON to Tab-Separated Values Online

Random Number Generator (Simple & Advanced) – Integers, Decimals, Binary & More

WDL to PDF Converter – View, Copy, and Export Workflow Description Language Files Online

Fibonacci Sequence Generator (Terms, Nth Value, Modulo)

Random Date Generator (Past, Future, Custom Formats)

Mention Extractor – Extract @ Mentions from Text and Social Posts

Hashtag Extractor – Extract Hashtags from Text and Social Posts

Line Break Fixer – Fix LF, CRLF, and Broken Newlines Online

Compression, TXT

Compress TOML Files Online — Browser-Only TOML Compressor

Compression, TXT, Windows 11

Compress & ZIP LOG Files Online (Preview, Stats, Browser-Only)

Compression, Developer, TXT

INI File Compressor – Reduce Config File Size

Whitespace Stripper (TXT & DOCX) — Remove All Whitespace Online

Clean URLs Online – Remove Tracking & Extra Parameters

Remove Empty Lines from Text – Free Online Tool

Duplicate Word Finder – Check Text for Repeated Words Online

Extra Space Checker – Remove Double Spaces from Text and Word Files

UTF-8 to ASCII Converter – Online, Browser-Only Tool

Pipe to Comma CSV Converter

Count Characters Per Line of Text (online and quick)

Find Duplicate Words in Text Online

Remove Emojis from Text Online Automatically

Convert an INI File to JSON (quick)

EML File Viewer (upload, view, and print)

EPUB File Viewer Online

Compression, TXT

Compress Rich Text (RTF) Document Online

Readability Cleaner – Simplify Web Pages for Easy Reading

Log Timestamp Normalizer & Sorter

Zero-Width Character Scanner & Remover

Troubleshooting, TXT, Windows 11

Open CER Files Online for Quick Viewing (X.509 certificate files)

NFO File Viewer – Open & Read .nfo Files Online (ASCII Art & CP437)

INI File Viewer – Open & Inspect .INI, .CFG, or .CONF Files Online

TXT Metadata Viewer – Analyze Text File Encoding, Line Endings, and Size

Text Analyzer & Keyword Density Checker – Free Online Tool

Sample Files, TXT

Download Sample TXT Files (Free Text Files for Testing)

TXT File Opener – View Large Text, LOG & CSV Files Online (Free)

Random Text File Generator – Create TXT Files of Any Exact Size (Free)

TXT to SRT Converter – Turn Text or Transcripts into Subtitles (Free)

Lorem Ipsum Generator – Free Online (Paragraphs, Sentences, Words)

Text to Handwriting Generator – Free Online (Multiple Handwriting Fonts)

Text Readability Checker – Flesch-Kincaid, Gunning Fog, SMOG, Coleman–Liau

TXT Splitter – Split Large Text Files Online by Size, Lines, or Delimiter

Convert CSV to TXT Online (quick download)

TXT to TSV Converter – Free, Fast, Private (Client-Side)

Free Case Converter Online (Uppercase, Lowercase, Title Case)

Text to ASCII Converter (Transliterate, Strip, Replace)

Online Text Sorter (Alphabetize, Reverse, Shuffle)

Remove Duplicate Lines from Text Online

Extract Emails, URLs, and IP Addresses from Text

Online Find & Replace Text (with Regex Support)

Free Online Word Counter & Character Counter

Online Text Diff & Merge Tool (Compare TXT)

Free Online Text Cleaner & Normalizer Tool

CSV to JSON Converter (or JSON to CSV)

Convert Word Docs to TXT File

Quickly Combine TXT Text Files Online (Notepad)

Compression, TXT

Compress TXT File

RTF to TXT File Converter

TXT to INI File Converter

Remove Duplicate Rows from Excel File (or CSV)

TXT to HTML Converter (online and free)

CSV, Document, TXT

Convert TXT File to CSV Online for Free (quick download)

Convert TXT Files to Word Docs (online and free)

Free Online Notepad — Simple, Private, No Sign-Up

Convert TXT to PDF Online for Free

Convert TXT File to JSON Online for Free

Convert TXT to XML Online (quick download)