Categories
Text Processing - 文本工具
online tools collection · 20 tools
Length Filter
Keep lines whose length is within a range.
Keep lines whose length is within a range.
Free Official
👁 9,735
⭐ 4.8
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Deduplicate Lines
Remove duplicate lines, keep unique ones.
Remove duplicate lines, keep unique ones.
Free Official
👁 9,606
⭐ 4.7
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Split Text
Split one line into many by a separator.
Split one line into many by a separator.
Free Official
👁 9,521
⭐ 4.6
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Add/Remove Line Numbers
Add or remove line numbers on text.
Add or remove line numbers on text.
Free Official
👁 9,176
⭐ 4.6
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Substring Counter
Count how many times a substring appears.
Count how many times a substring appears.
Free Official
👁 8,385
⭐ 4.6
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Text Byte Counter
Count characters, bytes, words, lines and Chinese chars.
Count characters, bytes, words, lines and Chinese chars.
Free Official
👁 7,535
⭐ 4.8
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Character Counter
Count occurrences of each character or a target.
Count occurrences of each character or a target.
Free Official
👁 7,433
⭐ 4.8
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Text Reverser
Reverse characters of any text instantly.
Reverse characters of any text instantly.
Free Official
👁 6,915
⭐ 4.6
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Text Diff
Compare two texts and show line differences.
Compare two texts and show line differences.
Free Official
👁 6,737
⭐ 4.8
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Join Lines
Merge multiple lines into one with a separator.
Merge multiple lines into one with a separator.
Free Official
👁 6,205
⭐ 4.8
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Random Chinese Generator
Generate random Chinese characters.
Generate random Chinese characters.
Free Official
👁 6,136
⭐ 4.8
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Vertical Text
Arrange text vertically, column by column.
Arrange text vertically, column by column.
Free Official
👁 5,641
⭐ 5.0
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About 文本工具 · Text Processing
We curated 20 tested online tools covering 文本工具common task scenarios. All tools are free without installation.
Are these tools free?
Most tools offer free quota; AI tools are billed per call with daily free limits.
How are tools reviewed?
Every tool passes functional, security and stability checks before listing.