Tools Portal / TEXT
Clean, normalize, and convert text with single-purpose tools you can use instantly in the browser.
Filter by tool name, keyword, or format.
TEXT (25)
Fast, private, and focusedNewline Compressor
Collapse consecutive blank lines and trim extra spacing for a clean draft.
Collapse consecutive blank lines and trim extra spacing for a clean draft. [\n → \n]
Hyphen/Dash Unifier
Standardize mixed hyphens, dashes, and minus signs into one style.
Standardize mixed hyphens, dashes, and minus signs into one style. [— / - / −]
Line Ending Converter
Convert LF, CRLF, or CR line endings across platforms in one pass.
Convert LF, CRLF, or CR line endings across platforms in one pass. [CRLF ⇄ LF]
Punctuation Converter
Switch between Japanese and western punctuation to match the tone.
Switch between Japanese and western punctuation to match the tone. [。、 ⇄ ．，]
Wave Dash Unifier
Normalize similar wave dash characters to a preferred form.
Normalize similar wave dash characters to a preferred form. [〜 ⇄ ～]
Whitespace Normalizer
Trim trailing spaces, normalize full-width spaces, and compact runs.
Trim trailing spaces, normalize full-width spaces, and compact runs. [␣$ → ""]
Invisible Character Scanner
Reveal and remove zero-width or control characters in text.
Reveal and remove zero-width or control characters in text. [U+200B / \0]
Line Sorter
Sort lines in ascending, descending, or length-based order.
Sort lines in ascending, descending, or length-based order. [A → Z / Z → A]
Duplicate Line Remover
Keep only unique lines and remove duplicates from lists.
Keep only unique lines and remove duplicates from lists. [Duplicate → Unique]
Full-width/Half-width Converter
Convert between full-width and half-width characters in bulk.
Convert between full-width and half-width characters in bulk. [Ａ ⇄ A]
Significant Figures Checker
Validate significant figures, scientific notation, and rounding rules for lab/report values.
Validate significant figures, scientific notation, and rounding rules for lab/report values. [sig figs / rounding]
Molecular Weight Calculator
Calculate molar mass and elemental composition (mass %) from a chemical formula. Hydrates supported with copy/CSV/share URL.
Calculate molar mass and elemental composition (mass %) from a chemical formula. Hydrates supported with copy/CSV/share URL. [molar mass / composition]
pH/pOH Calculator
Quick pH calculator for pH, pOH, and hydrogen ion concentration conversion with formulas and notes.
Quick pH calculator for pH, pOH, and hydrogen ion concentration conversion with formulas and notes. [pH / pOH / [H+]]
m² ↔ tsubo ↔ tatami Converter
Convert length and area units with a required tatami size, plus a printable reference table.
Convert length and area units with a required tatami size, plus a printable reference table. [m² / tsubo / tatami]
Rebar Pitch Calculator
Calculate count ↔ pitch, edge offsets, and coordinate lists for bar layouts.
Calculate count ↔ pitch, edge offsets, and coordinate lists for bar layouts. [Pitch / Count]
Right Angle & Diagonal Checker
Compute theoretical diagonals from sides or 3-4-5 and compare with measured values.
Compute theoretical diagonals from sides or 3-4-5 and compare with measured values. [3-4-5 / Diagonal]
Anchor Bolt Layout
Convert count ↔ pitch with offsets, centered/flush rules, and remainders.
Convert count ↔ pitch with offsets, centered/flush rules, and remainders. [Anchor / Layout]
Tile/Flooring Layout Calculator
Estimate cut widths, counts, and waste. Compare balanced vs minimum-waste layouts.
Estimate cut widths, counts, and waste. Compare balanced vs minimum-waste layouts. [Layout / Waste]
OGP Tag Generator
Generate OGP and Twitter Card meta tags from URL, title, description, and image.
Generate OGP and Twitter Card meta tags from URL, title, description, and image. [og:title / og:image]
FAQ JSON-LD Generator
Generate FAQPage JSON-LD from Q&A with script tag output and testing tips.
Generate FAQPage JSON-LD from Q&A with script tag output and testing tips. [FAQPage / JSON-LD]
robots.txt Generator
Build a robots.txt template with Allow/Disallow rules and Sitemap lines.
Build a robots.txt template with Allow/Disallow rules and Sitemap lines. [Allow / Disallow]