Портал инструментов
Очищайте, нормализуйте и конвертируйте текст с помощью простых инструментов, работающих мгновенно в браузере.
Фильтр по названию, ключевому слову или формату.
Всего 34 инструмента
Быстро, приватно и удобноСжатие пустых строк
Убирайте лишние переносы строк и пробелы для получения чистого черновика.
Унификация тире
Приводите разные виды тире и дефисов к единому стандарту.
Конвертер пунктуации
Локальная нормализация знаков препинания, кавычек и символов.
Очистка пробелов
Удаление лишних пробелов в конце и нормализация широких отступов.
Конвертер HTML → Текст
Удаление HTML-тегов и извлечение чистого читаемого текста.
Сканер невидимых знаков
Поиск и удаление скрытых знаков управления или нулевой ширины.
Тестер Regex
Подсветка совпадений и предпросмотр замены на одном экране.
Счетчик символов
Подсчет знаков, строк и байтов в реальном времени.
Генератор SHA-256
Создание хэшей SHA-256 для текста или файлов и проверка чексумм.
Unix время
Конвертация Unix-timestamp в обычные даты и обратно.
Мировое время
Перевод между JST, UTC и любыми поясами IANA с учетом смены даты.
Кодирование URL
Кодируйте или декодируйте URL-параметры (percent-encoding).
Генератор QR-кодов
Создание QR-кодов из ссылок или текста с экспортом в SVG/PNG.
Форматирование JSON
Приведение JSON в красивый вид или сжатие с указанием ошибок.
Конвертер CSV/TSV
Смена разделителей CSV и TSV с поддержкой кавычек и переносов.
Дедупликатор CSV
Удаление повторов в таблицах по выбранным ключевым колонкам.
Редактор CSV
Удаление, перестановка и разделение колонок прямо в браузере.
CSV в JSON
Конвертация таблиц в JSON с определением типов данных.
Конвертер YAML/JSON
Смена форматов между YAML, JSON и TOML с форматированием.
Сортировка ключей JSON
Упорядочивание ключей JSON по алфавиту для удобного сравнения.
Превью Markdown
Мгновенный просмотр Markdown в HTML с локальной конвертацией.
Сжатие картинок
Изменение размера и сжатие изображений без загрузки на сервер.
Перемешивание строк
Случайный порядок строк для жеребьевок или ротации задач.
Сортировка строк
Упорядочивание списка по алфавиту, числам или длине.
Префиксы и суффиксы
Массовое добавление текста в начало или конец каждой строки.
Таблицы Markdown
Выравнивание колонок Markdown-таблиц для лучшей читаемости.
Удаление дубликатов
Оставьте только уникальные строки в вашем списке.
Нормализация кавычек
Приведение всех кавычек и скобок в тексте к единому стилю.
Ширина знаков
Конвертация между узкими и широкими (Zenkaku) знаками.
Генератор паролей
Создание надежных паролей локально с проверкой стойкости.
Генератор тегов OGP
Создание мета-тегов для соцсетей из URL, заголовка и картинки.
Генератор robots.txt
Создание файла robots.txt с правилами для поисковиков.
Soil pH Lime Calculator
Estimate lime requirement ranges from current pH, target pH, soil type, and till depth.
Crop Yield Estimator
Estimate yield ranges from area, spacing, average fruit weight, and fruits per plant.
NPK Fertilizer Calculator
Match target N-P-K with available fertilizers and check shortages or excess.
Compost Input Converter
Convert wet weight and bulk density to dry matter and application rates (t/ha and m³/ha).
Lot Traceability Label Generator
Turn lot info into QR labels for cartons and containers. Export PDF/PNG with A4/US Letter and multi-label layouts.
Seafood Box Label Maker
Enter item, lot, catch date, weight, and temperature to generate box labels in PDF/PNG.
Box Loading Calculator
Estimate max boxes, layers, and leftover space from cargo and box sizes. Rotation, stacking limit, and margin supported.
Fish Yield Calculator
Calculate edible yield and effective cost per kg from raw weight and loss breakdown. Multi-lot total supported.
Boat Fuel Cost Calculator
Estimate fuel use and cost from distance, speed, fuel rate, and price. Add segments and safety factor.
Brine Concentration Calculator
Calculate salt needed from a target % with %w/w and %w/v modes, plus initial salinity support.
Rope Length Calculator
Estimate mooring rope length from water depth, tide range, scope ratio, and safety factors.
Fish Ice Calculator
Estimate required ice from fish mass, ambient temperature, and transport duration.
Seafood Thawing Time Guide
Estimate thawing time ranges by weight/thickness and method (refrigerator or running water).
Fish Length → Weight Estimator
Estimate fish weight from length using W=aL^b with saved coefficient presets.
Traceability QR Generator
Create traceability QR codes from lot details, view payload text, and verify scanning in one screen.
Crop rotation planner
Visualize fields × crops × planting periods in a calendar-style table. Track fallow gaps and same-family warning tags.
Density Conversion (Mass ↔ Volume)
Convert mass and volume using density, with optional coefficient-based temperature correction.
Stoichiometry Calculator
Calculate limiting reagent, excess, theoretical yield, and percent yield from coefficients and input amounts (g/mol/M×L).
Solution Preparation Table
Calculate reagent mass/volume from target concentration and final volume, with purity correction, multi-solute rows, scale-up table, and print/CSV.
Batch Scale-Up Calculator
Scale formulations while preserving ratios. Apply loss/yield, minimum charging unit rounding, and export CSV in one flow.
Uncertainty Calculator
Combine measurement uncertainties and report expanded uncertainty with confidence factor.
Significant Figures Checker
Validate significant figures, scientific notation, and rounding rules for lab/report values.
Molecular Weight Calculator
Calculate molar mass and elemental composition (mass %) from a chemical formula. Hydrates supported with copy/CSV/share URL.
pH/pOH Calculator
Quick pH calculator for pH, pOH, and hydrogen ion concentration conversion with formulas and notes.
m² ↔ tsubo ↔ tatami Converter
Convert length and area units with a required tatami size, plus a printable reference table.
Rebar Pitch Calculator
Calculate count ↔ pitch, edge offsets, and coordinate lists for bar layouts.
Right Angle & Diagonal Checker
Compute theoretical diagonals from sides or 3-4-5 and compare with measured values.
Anchor Bolt Layout
Convert count ↔ pitch with offsets, centered/flush rules, and remainders.
Slope/Grade Calculator
Convert rise/run, percent, degrees, and 1:n ratios in one screen.
Tile/Flooring Layout Calculator
Estimate cut widths, counts, and waste. Compare balanced vs minimum-waste layouts.
Formwork Area Calculator
Calculate formwork area by member type with opening deduction rules.
Concrete Volume + Truck Estimate
Sum volumes by shape, add loss, and estimate ready-mix truck loads.
Scaffolding Area Estimate
Estimate scaffolding area from perimeter × height × coverage, plus accessories.
Voltage Drop Calculator
Estimate voltage drop and review cable size candidates by drop only.
Formulation Ratio Calculator
Build weight/volume ratio tables, auto-scale to a target total, and check tolerance ranges.
Roof Area Calculator (Pitch)
Compute sloped roof area from plan dimensions, pitch, and overhangs.
Material Loss Calculator
Apply waste/yield and salvage rates, then round up by order unit.
Reorder Point Calculator
Estimate safety stock and reorder point from demand and lead time variability.
EOQ Calculator
Estimate economic order quantity from demand, ordering cost, and holding cost. Supports MOQ/lot rounding and bulk paste.
Paint Quantity Calculator
Calculate paint volume by coverage, coats, dilution, and can sizes.
Staffing Calculator
Estimate required staff from customer volume and average service time.
Margin & Markup Calculator
Convert cost ↔ price and compute margin/markup with rounding options.
Discount Calculator
Calculate % off, fixed, bundles, and tiered discounts with totals and rates.
Tiered Pricing Table Generator
Generate wholesale volume discount tiers from unit cost, margin floor, and quantity breaks. Includes CSV export.
Bundle Cost & Margin Calculator
Allocate bundle costs and compute margin impact across pricing scenarios.
Wholesale to Retail Pricing Calculator
Convert wholesale costs to landed cost and recommended retail ranges with margin/markup targets, tax, FX, and shipping allocation.
Packing Label Generator
Create packing labels from shipment rows with print-ready layouts and CSV export.
Currency Price Optimizer
Convert prices with a manual rate and optimize endings like .99/.95/integers.
Pipe Size Chart
Lookup Nominal ↔ OD/ID/thickness by standard set with print-ready tables.
URL Encode/Decode
Encode or decode URLs and query values with percent-encoding.
QR Code Generator
Generate QR codes from URLs or text and download SVG/PNG.
Barcode & QR Parser
Paste scan strings to split, normalize, and copy them. GS1 is parsed where possible.
Price Card Maker
Create printable price tags on A4/US Letter with optional barcodes.
JSON Formatter & Minifier
Format or minify JSON with error location, key sorting, and copy.
CSV/TSV Converter
Convert CSV and TSV (comma <-> tab) with proper quoting and multiline cell support.
CSV Deduplicator
Remove duplicate rows by key columns and merge non-empty values.
CSV Editor
Preview CSV and edit columns (delete, reorder, split, merge) locally in your browser.
Tax Converter
Convert inclusive/exclusive tax instantly with rounding and multi-row paste support.
Cash Rounding Tool
Round amounts by step (0.05/0.10/1) with nearest/ceil/floor rules.
CSV to JSON Converter
Convert CSV to JSON with header detection, type inference, and empty cell handling.
YAML↔JSON↔TOML Converter
Convert between YAML/JSON/TOML with auto-detect, formatting, and copy.
JSON Key Sorter
Sort JSON keys A→Z (all levels or top-level only) for clean diffs.
Markdown Preview
Instant md->HTML preview with local conversion and copy/download.
Markdown TOC Generator
Generate a Markdown table of contents from headings with H2-H4 options.
Image Resizer & Compressor
Resize and compress images locally with preview and quality control.
Image Format Converter
Convert PNG/JPEG/WebP locally with quality and transparency options.
SVG Viewer
Paste SVG markup and check the rendered output instantly in your browser.
Line Shuffler
Shuffle lines randomly for raffles, seating, or task rotation.
Line Sorter
Sort lines in ascending, descending, or length-based order.
List Converter
Convert between •, -, and 1. lists with indentation control.
Prefix/Suffix Adder
Add text to the start or end of each line in bulk.
Markdown Table Formatter
Align Markdown table columns while keeping alignment markers intact.
Duplicate Line Remover
Keep only unique lines and remove duplicates from lists.
Quote Normalizer
Unify quotes, brackets, and quotation marks to one style.
Full-width/Half-width Converter
Convert between full-width and half-width characters in bulk.
Password Generator
Generate secure passwords locally, with instant copy and strength guidance.
OGP Tag Generator
Generate OGP and Twitter Card meta tags from URL, title, description, and image.
FAQ JSON-LD Generator
Generate FAQPage JSON-LD from Q&A with script tag output and testing tips.
robots.txt Generator
Build a robots.txt template with Allow/Disallow rules and Sitemap lines.
Right Angle & Diagonal Checker
Compute theoretical diagonals from sides or 3-4-5 and compare with measured values.
Anchor Bolt Layout
Convert count ↔ pitch with offsets, centered/flush rules, and remainders.
Slope/Grade Calculator
Convert rise/run, percent, degrees, and 1:n ratios in one screen.
Tile/Flooring Layout Calculator
Estimate cut widths, counts, and waste. Compare balanced vs minimum-waste layouts.
Formwork Area Calculator
Calculate formwork area by member type with opening deduction rules.
Concrete Volume + Truck Estimate
Sum volumes by shape, add loss, and estimate ready-mix truck loads.
Scaffolding Area Estimate
Estimate scaffolding area from perimeter × height × coverage, plus accessories.
Voltage Drop Calculator
Estimate voltage drop and review cable size candidates by drop only.
Formulation Ratio Calculator
Build weight/volume ratio tables, auto-scale to a target total, and check tolerance ranges.
Roof Area Calculator (Pitch)
Compute sloped roof area from plan dimensions, pitch, and overhangs.
Material Loss Calculator
Apply waste/yield and salvage rates, then round up by order unit.
Reorder Point Calculator
Estimate safety stock and reorder point from demand and lead time variability.
EOQ Calculator
Estimate economic order quantity from demand, ordering cost, and holding cost. Supports MOQ/lot rounding and bulk paste.
Paint Quantity Calculator
Calculate paint volume by coverage, coats, dilution, and can sizes.
Staffing Calculator
Estimate required staff from customer volume and average service time.
Margin & Markup Calculator
Convert cost ↔ price and compute margin/markup with rounding options.
Discount Calculator
Calculate % off, fixed, bundles, and tiered discounts with totals and rates.
Tiered Pricing Table Generator
Generate wholesale volume discount tiers from unit cost, margin floor, and quantity breaks. Includes CSV export.
Bundle Cost & Margin Calculator
Allocate bundle costs and compute margin impact across pricing scenarios.
Wholesale to Retail Pricing Calculator
Convert wholesale costs to landed cost and recommended retail ranges with margin/markup targets, tax, FX, and shipping allocation.
Packing Label Generator
Create packing labels from shipment rows with print-ready layouts and CSV export.
Currency Price Optimizer
Convert prices with a manual rate and optimize endings like .99/.95/integers.
Pipe Size Chart
Lookup Nominal ↔ OD/ID/thickness by standard set with print-ready tables.
URL Encode/Decode
Encode or decode URLs and query values with percent-encoding.
QR Code Generator
Generate QR codes from URLs or text and download SVG/PNG.
Barcode & QR Parser
Paste scan strings to split, normalize, and copy them. GS1 is parsed where possible.
Price Card Maker
Create printable price tags on A4/US Letter with optional barcodes.
JSON Formatter & Minifier
Format or minify JSON with error location, key sorting, and copy.
CSV/TSV Converter
Convert CSV and TSV (comma <-> tab) with proper quoting and multiline cell support.
CSV Deduplicator
Remove duplicate rows by key columns and merge non-empty values.
CSV Editor
Preview CSV and edit columns (delete, reorder, split, merge) locally in your browser.
Tax Converter
Convert inclusive/exclusive tax instantly with rounding and multi-row paste support.
Cash Rounding Tool
Round amounts by step (0.05/0.10/1) with nearest/ceil/floor rules.
CSV to JSON Converter
Convert CSV to JSON with header detection, type inference, and empty cell handling.
YAML↔JSON↔TOML Converter
Convert between YAML/JSON/TOML with auto-detect, formatting, and copy.
JSON Key Sorter
Sort JSON keys A→Z (all levels or top-level only) for clean diffs.
Markdown Preview
Instant md->HTML preview with local conversion and copy/download.
Markdown TOC Generator
Generate a Markdown table of contents from headings with H2-H4 options.
Image Resizer & Compressor
Resize and compress images locally with preview and quality control.
Image Format Converter
Convert PNG/JPEG/WebP locally with quality and transparency options.
SVG Viewer
Paste SVG markup and check the rendered output instantly in your browser.
Line Shuffler
Shuffle lines randomly for raffles, seating, or task rotation.
Line Sorter
Sort lines in ascending, descending, or length-based order.
List Converter
Convert between •, -, and 1. lists with indentation control.
Prefix/Suffix Adder
Add text to the start or end of each line in bulk.
Markdown Table Formatter
Align Markdown table columns while keeping alignment markers intact.
Duplicate Line Remover
Keep only unique lines and remove duplicates from lists.
Quote Normalizer
Unify quotes, brackets, and quotation marks to one style.
Full-width/Half-width Converter
Convert between full-width and half-width characters in bulk.
Password Generator
Generate secure passwords locally, with instant copy and strength guidance.
OGP Tag Generator
Generate OGP and Twitter Card meta tags from URL, title, description, and image.
FAQ JSON-LD Generator
Generate FAQPage JSON-LD from Q&A with script tag output and testing tips.
robots.txt Generator
Build a robots.txt template with Allow/Disallow rules and Sitemap lines.