Text Tools - String Operations / Encoding / Analysis
20 toolsOnline text tools: case conversion, sort, dedupe, Base64/URL/HTML entity encode-decode, Unicode, number base converter. 20+ tools, all in-browser.
Text Operations9
Word Counter
Online text statistics tool: real-time count of characters, words, lines, sentences, and paragraphs.
Case Converter
Online text case converter: UPPER CASE, lower case, Title Case, camelCase, snake_case, kebab-case, CONSTANT_CASE.
Text Sort
Free online text sort tool. Supports alphabetical, numerical, natural, by-length sorting and more.
Text Dedupe
Free online text deduplication tool. Quickly remove duplicate lines, supports ignore case, sort and more options.
Text Extractor
Free online text extraction tool, quickly extract emails, phone numbers, URLs, IP addresses, ID numbers, supports custom regex
Text Replace Tool
Free online text find and replace tool with regex support, case insensitivity, capture group references, and batch text replacement.
Line Batch Processor
Free online line batch processing tool: add prefix/suffix, remove empty lines, line numbers, dedupe, reverse, filter — all in one click.
Image to ASCII Art
Free online image to ASCII art converter with monochrome/color modes, adjustable width and character sets, all processed locally with no uploads
Text Diff
Online text diff comparison tool: uses LCS algorithm to compare two texts line by line, highlighting additions, deletions, and modifications. Powered by Monaco DiffEditor with syntax highlighting.
Encoding11
Base64 Encode/Decode
Online Base64 encoder and decoder with full Unicode support (Chinese, Emoji, multi-byte characters). All processing runs locally in your browser. No data sent to servers.
Base64 Batch Processor
Free online Base64 batch encoding and decoding tool with multi-line batch processing, URL Safe variant, and original text reference.
Base32/Base58 Encoder
Free online Base32 and Base58 encoder/decoder tool. Supports bidirectional conversion.
Data URI Generator
Free online Data URI generator tool supporting file and text to data: protocol URL conversion with both Base64 and URL encoding options.
URL Encode/Decode
Online URL encoder and decoder tool. Supports URI component encoding (encodeURIComponent) and full URL encoding. Processed locally in your browser.
HTML Entity Encoder
Online HTML entity encoder and decoder. Convert <, >, &, " and other special characters to HTML entities, or decode them back. Processed locally in your browser.
HTML Entity Enhanced
Free online HTML entity encoder/decoder supporting 244 named entities, with decimal/hexadecimal/named entity conversion.
Unicode Encoder/Decoder
Free online Unicode encoder/decoder. Convert between Chinese/Japanese characters and \uXXXX format for i18n debugging.
Base Converter
Online number base converter: convert between binary, octal, decimal, and hexadecimal.
Number Base Advanced
Free online number base converter. Supports binary/octal/decimal/hexadecimal conversion with bit operations and bit visualization.
Byte Unit Converter
Free online byte unit converter. Quickly convert between B, KB, MB, GB, TB, PB and KiB, MiB, GiB, TiB. Supports both decimal (1000) and binary (1024) standards. Essential tool for developers and DevOps engineers.