Browser-native Toolkit

Tools Portaal

Reinig, normaliseer en converteer tekst met tools die u direct in de browser kunt gebruiken.

Filter op toolnaam, trefwoord of formaat.

Totaal 34 tools

Snel, privé en gefocust

Newline Sukkelaar

Voeg opeenvolgende lege regels samen en verwijder extra spaties voor een schoon concept.

\n → \n

Koppelteken Unificator

Standardiseer gemengde koppeltekens en mintekens naar één stijl.

— / - / −

Leesteken Converter

Normaliseer leestekens, aanhalingstekens, spatiëring en symbolen lokaal.

。、 ⇄ .,

Witruimte Normalisator

Verwijder afsluitende spaties, normaliseer full-width spaties en voeg reeksen samen.

␣$ → ""

HTML → Tekst Converter

Verwijder HTML-tags en extraheer leesbare tekst met schone regeleinden.

HTML → TXT

Onzichtbare Karakterscanner

Onthul en verwijder nulbreedte- of besturingskarakters in tekst.

U+200B / \0

Regex Tester

Markeer overeenkomsten, inspecteer groepen en bekijk vervangingen op één scherm.

/.../ g i m

Tekenteller

Tel tekens, regels en bytes met realtime updates.

1.234 tekens

SHA-256 Hash Generator

Genereer SHA-256 hashes voor tekst of bestanden en verifieer checksums.

SHA-256

Unix Tijd Converter

Detecteer automatisch 10/13 cijfers en converteer Unix-tijd naar datums.

Unix time

Tijdzone Converter

Converteer JST↔UTC en IANA zones, markeer dagwisselingen en kopieer resultaten.

JST ↔ UTC

URL Coderen/Decoderen

Codeer of decodeer URL's en querywaarden met procent-codering.

percent-encoding

QR Code Generator

Genereer QR-codes van URL's of tekst en download in SVG/PNG.

SVG / PNG

JSON Formatteerder & Minifier

Formatteer of minificeer JSON met foutlocatie, sleutelsortering en kopiëren.

JSON Pretty / Minify

CSV/TSV Converter

Converteer CSV en TSV (komma <-> tab) met juiste afhandeling van aanhalingstekens.

CSV <-> TSV

CSV Deduplicator

Verwijder dubbele regels op basis van sleutelkolommen en voeg waarden samen.

Deduplicate

CSV Editor

Bekijk CSV en bewerk kolommen (verwijderen, herschikken, splitsen, samenvoegen) lokaal.

Edit CSV

CSV naar JSON Converter

Converteer CSV naar JSON met header-detectie en type-inferentie.

CSV -> JSON

YAML↔JSON↔TOML Converter

Converteer tussen YAML/JSON/TOML met auto-detectie en formattering.

YAML ⇄ JSON ⇄ TOML

JSON Sleutel Sorteerder

Sorteer JSON-sleutels van A tot Z voor schone diffs.

JSON A → Z

Markdown Voorbeeld

Directe md->HTML-voorbeelden met lokale conversie en kopiëren/downloaden.

md -> HTML

Beeldverkleiner & Sukkelaar

Formaat wijzigen en afbeeldingen lokaal comprimeren met voorbeeld en kwaliteitscontrole.

Resize / Compress

Regels Husselen

Hussel regels willekeurig voor lotingen, stoelindelingen of taakroulatie.

Shuffle

Regels Sorteren

Sorteer regels oplopend, aflopend of op lengte.

A → Z / Z → A

Pre-/Suffix Toevoegen

Voeg tekst toe aan het begin of einde van elke regel in batch.

prefix / suffix

Markdown Tabel Formatteerder

Lijn Markdown-tabelkolommen uit terwijl uitlijningsmarkeringen intact blijven.

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Dubbele Regels Verwijderen

Behoud alleen de unieke regels en verwijder duplicaten uit lijsten.

Duplicate → Unique

Aanhalingsteken Normalisator

Unificeer alle aanhalingstekens en haakjes naar één consistente stijl.

" " ⇄ 「 」

Karakterbreedte Converter

Converteer tussen full-width en half-width karakters in batch.

A ⇄ A

Wachtwoordgenerator

Genereer lokaal veilige wachtwoorden met directe kopie en sterkte-advies.

Local generation

OGP Tag Generator

Genereer OGP en Twitter Card metatags van URL, titel, beschrijving en afbeelding.

og:title / og:image

robots.txt Generator

Bouw een robots.txt sjabloon met Toestaan/Weigeren regels en Sitemap regels.

Allow / Disallow

Soil pH Lime Calculator

Estimate lime requirement ranges from current pH, target pH, soil type, and till depth.

soil pH / lime

Crop Yield Estimator

Estimate yield ranges from area, spacing, average fruit weight, and fruits per plant.

yield / t/ha

NPK Fertilizer Calculator

Match target N-P-K with available fertilizers and check shortages or excess.

N-P-K / blending

Compost Input Converter

Convert wet weight and bulk density to dry matter and application rates (t/ha and m³/ha).

compost / dry matter

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.

Lot / QR / Print

Seafood Box Label Maker

Enter item, lot, catch date, weight, and temperature to generate box labels in PDF/PNG.

seafood box label maker

Box Loading Calculator

Estimate max boxes, layers, and leftover space from cargo and box sizes. Rotation, stacking limit, and margin supported.

box loading calculator / cooler box packing

Fish Yield Calculator

Calculate edible yield and effective cost per kg from raw weight and loss breakdown. Multi-lot total supported.

fish yield calculator / edible yield

Boat Fuel Cost Calculator

Estimate fuel use and cost from distance, speed, fuel rate, and price. Add segments and safety factor.

boat fuel cost calculator / fishing trip fuel cost

Brine Concentration Calculator

Calculate salt needed from a target % with %w/w and %w/v modes, plus initial salinity support.

brine / salinity / salt

Rope Length Calculator

Estimate mooring rope length from water depth, tide range, scope ratio, and safety factors.

mooring / scope

Fish Ice Calculator

Estimate required ice from fish mass, ambient temperature, and transport duration.

ice / cooling

Seafood Thawing Time Guide

Estimate thawing time ranges by weight/thickness and method (refrigerator or running water).

thawing / seafood

Fish Length → Weight Estimator

Estimate fish weight from length using W=aL^b with saved coefficient presets.

W=aL^b / biomass

Traceability QR Generator

Create traceability QR codes from lot details, view payload text, and verify scanning in one screen.

traceability QR generator / lot QR code

Crop rotation planner

Visualize fields × crops × planting periods in a calendar-style table. Track fallow gaps and same-family warning tags.

Rotation / Fallow

Density Conversion (Mass ↔ Volume)

Convert mass and volume using density, with optional coefficient-based temperature correction.

ρ / m / V

Stoichiometry Calculator

Calculate limiting reagent, excess, theoretical yield, and percent yield from coefficients and input amounts (g/mol/M×L).

limiting reagent / yield

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.

solution prep / scale

Batch Scale-Up Calculator

Scale formulations while preserving ratios. Apply loss/yield, minimum charging unit rounding, and export CSV in one flow.

scale-up / loss / rounding

Uncertainty Calculator

Combine measurement uncertainties and report expanded uncertainty with confidence factor.

uncertainty / k-factor

Significant Figures Checker

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.

molar mass / composition

pH/pOH Calculator

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.

m² / tsubo / tatami

Rebar Pitch Calculator

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.

3-4-5 / Diagonal

Anchor Bolt Layout

Convert count ↔ pitch with offsets, centered/flush rules, and remainders.

Anchor / Layout

Slope/Grade Calculator

Convert rise/run, percent, degrees, and 1:n ratios in one screen.

Slope / Grade

Tile/Flooring Layout Calculator

Estimate cut widths, counts, and waste. Compare balanced vs minimum-waste layouts.

Layout / Waste

Formwork Area Calculator

Calculate formwork area by member type with opening deduction rules.

Formwork / m²

Concrete Volume + Truck Estimate

Sum volumes by shape, add loss, and estimate ready-mix truck loads.

Volume / Trucks

Scaffolding Area Estimate

Estimate scaffolding area from perimeter × height × coverage, plus accessories.

Perimeter × Height

Voltage Drop Calculator

Estimate voltage drop and review cable size candidates by drop only.

Voltage / Drop

Formulation Ratio Calculator

Build weight/volume ratio tables, auto-scale to a target total, and check tolerance ranges.

Ratio / Blend

Roof Area Calculator (Pitch)

Compute sloped roof area from plan dimensions, pitch, and overhangs.

Roof / Pitch

Material Loss Calculator

Apply waste/yield and salvage rates, then round up by order unit.

Loss / Yield

Reorder Point Calculator

Estimate safety stock and reorder point from demand and lead time variability.

Safety Stock / ROP

EOQ Calculator

Estimate economic order quantity from demand, ordering cost, and holding cost. Supports MOQ/lot rounding and bulk paste.

EOQ / MOQ

Paint Quantity Calculator

Calculate paint volume by coverage, coats, dilution, and can sizes.

Paint / Coats

Staffing Calculator

Estimate required staff from customer volume and average service time.

Staffing / Peak

Margin & Markup Calculator

Convert cost ↔ price and compute margin/markup with rounding options.

Margin / Markup

Discount Calculator

Calculate % off, fixed, bundles, and tiered discounts with totals and rates.

%OFF / Sale

Tiered Pricing Table Generator

Generate wholesale volume discount tiers from unit cost, margin floor, and quantity breaks. Includes CSV export.

tiered pricing / CSV

Bundle Cost & Margin Calculator

Allocate bundle costs and compute margin impact across pricing scenarios.

bundle / margin

Wholesale to Retail Pricing Calculator

Convert wholesale costs to landed cost and recommended retail ranges with margin/markup targets, tax, FX, and shipping allocation.

landed cost / margin / markup

Packing Label Generator

Create packing labels from shipment rows with print-ready layouts and CSV export.

packing label / print

Currency Price Optimizer

Convert prices with a manual rate and optimize endings like .99/.95/integers.

FX / Ending

Pipe Size Chart

Lookup Nominal ↔ OD/ID/thickness by standard set with print-ready tables.

Nominal / OD / ID

URL Encode/Decode

Encode or decode URLs and query values with percent-encoding.

percent-encoding

QR Code Generator

Generate QR codes from URLs or text and download SVG/PNG.

SVG / PNG

Barcode & QR Parser

Paste scan strings to split, normalize, and copy them. GS1 is parsed where possible.

Scan → Readable

Price Card Maker

Create printable price tags on A4/US Letter with optional barcodes.

PDF / Barcode

JSON Formatter & Minifier

Format or minify JSON with error location, key sorting, and copy.

JSON Pretty / Minify

CSV/TSV Converter

Convert CSV and TSV (comma <-> tab) with proper quoting and multiline cell support.

CSV <-> TSV

CSV Deduplicator

Remove duplicate rows by key columns and merge non-empty values.

Deduplicate

CSV Editor

Preview CSV and edit columns (delete, reorder, split, merge) locally in your browser.

CSV Edit

Tax Converter

Convert inclusive/exclusive tax instantly with rounding and multi-row paste support.

VAT/GST

Cash Rounding Tool

Round amounts by step (0.05/0.10/1) with nearest/ceil/floor rules.

0.05 / Round

CSV to JSON Converter

Convert CSV to JSON with header detection, type inference, and empty cell handling.

CSV -> JSON

YAML↔JSON↔TOML Converter

Convert between YAML/JSON/TOML with auto-detect, formatting, and copy.

YAML ⇄ JSON ⇄ TOML

JSON Key Sorter

Sort JSON keys A→Z (all levels or top-level only) for clean diffs.

JSON A → Z

Markdown Preview

Instant md->HTML preview with local conversion and copy/download.

md -> HTML

Markdown TOC Generator

Generate a Markdown table of contents from headings with H2-H4 options.

TOC / H2-H4

Image Resizer & Compressor

Resize and compress images locally with preview and quality control.

Resize / Compress

Image Format Converter

Convert PNG/JPEG/WebP locally with quality and transparency options.

PNG / JPEG / WebP

SVG Viewer

Paste SVG markup and check the rendered output instantly in your browser.

SVG Preview

Line Shuffler

Shuffle lines randomly for raffles, seating, or task rotation.

Shuffle

Line Sorter

Sort lines in ascending, descending, or length-based order.

A → Z / Z → A

List Converter

Convert between •, -, and 1. lists with indentation control.

• / - / 1.

Prefix/Suffix Adder

Add text to the start or end of each line in bulk.

prefix / suffix

Markdown Table Formatter

Align Markdown table columns while keeping alignment markers intact.

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Duplicate Line Remover

Keep only unique lines and remove duplicates from lists.

Duplicate → Unique

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.

A ⇄ A

Password Generator

Generate secure passwords locally, with instant copy and strength guidance.

Local generation

OGP Tag Generator

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.

FAQPage / JSON-LD

robots.txt Generator

Build a robots.txt template with Allow/Disallow rules and Sitemap lines.

Allow / Disallow

Right Angle & Diagonal Checker

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.

Anchor / Layout

Slope/Grade Calculator

Convert rise/run, percent, degrees, and 1:n ratios in one screen.

Slope / Grade

Tile/Flooring Layout Calculator

Estimate cut widths, counts, and waste. Compare balanced vs minimum-waste layouts.

Layout / Waste

Formwork Area Calculator

Calculate formwork area by member type with opening deduction rules.

Formwork / m²

Concrete Volume + Truck Estimate

Sum volumes by shape, add loss, and estimate ready-mix truck loads.

Volume / Trucks

Scaffolding Area Estimate

Estimate scaffolding area from perimeter × height × coverage, plus accessories.

Perimeter × Height

Voltage Drop Calculator

Estimate voltage drop and review cable size candidates by drop only.

Voltage / Drop

Formulation Ratio Calculator

Build weight/volume ratio tables, auto-scale to a target total, and check tolerance ranges.

Ratio / Blend

Roof Area Calculator (Pitch)

Compute sloped roof area from plan dimensions, pitch, and overhangs.

Roof / Pitch

Material Loss Calculator

Apply waste/yield and salvage rates, then round up by order unit.

Loss / Yield

Reorder Point Calculator

Estimate safety stock and reorder point from demand and lead time variability.

Safety Stock / ROP

EOQ Calculator

Estimate economic order quantity from demand, ordering cost, and holding cost. Supports MOQ/lot rounding and bulk paste.

EOQ / MOQ

Paint Quantity Calculator

Calculate paint volume by coverage, coats, dilution, and can sizes.

Paint / Coats

Staffing Calculator

Estimate required staff from customer volume and average service time.

Staffing / Peak

Margin & Markup Calculator

Convert cost ↔ price and compute margin/markup with rounding options.

Margin / Markup

Discount Calculator

Calculate % off, fixed, bundles, and tiered discounts with totals and rates.

%OFF / Sale

Tiered Pricing Table Generator

Generate wholesale volume discount tiers from unit cost, margin floor, and quantity breaks. Includes CSV export.

tiered pricing / CSV

Bundle Cost & Margin Calculator

Allocate bundle costs and compute margin impact across pricing scenarios.

bundle / margin

Wholesale to Retail Pricing Calculator

Convert wholesale costs to landed cost and recommended retail ranges with margin/markup targets, tax, FX, and shipping allocation.

landed cost / margin / markup

Packing Label Generator

Create packing labels from shipment rows with print-ready layouts and CSV export.

packing label / print

Currency Price Optimizer

Convert prices with a manual rate and optimize endings like .99/.95/integers.

FX / Ending

Pipe Size Chart

Lookup Nominal ↔ OD/ID/thickness by standard set with print-ready tables.

Nominal / OD / ID

URL Encode/Decode

Encode or decode URLs and query values with percent-encoding.

percent-encoding

QR Code Generator

Generate QR codes from URLs or text and download SVG/PNG.

SVG / PNG

Barcode & QR Parser

Paste scan strings to split, normalize, and copy them. GS1 is parsed where possible.

Scan → Readable

Price Card Maker

Create printable price tags on A4/US Letter with optional barcodes.

PDF / Barcode

JSON Formatter & Minifier

Format or minify JSON with error location, key sorting, and copy.

JSON Pretty / Minify

CSV/TSV Converter

Convert CSV and TSV (comma <-> tab) with proper quoting and multiline cell support.

CSV <-> TSV

CSV Deduplicator

Remove duplicate rows by key columns and merge non-empty values.

Deduplicate

CSV Editor

Preview CSV and edit columns (delete, reorder, split, merge) locally in your browser.

CSV Edit

Tax Converter

Convert inclusive/exclusive tax instantly with rounding and multi-row paste support.

VAT/GST

Cash Rounding Tool

Round amounts by step (0.05/0.10/1) with nearest/ceil/floor rules.

0.05 / Round

CSV to JSON Converter

Convert CSV to JSON with header detection, type inference, and empty cell handling.

CSV -> JSON

YAML↔JSON↔TOML Converter

Convert between YAML/JSON/TOML with auto-detect, formatting, and copy.

YAML ⇄ JSON ⇄ TOML

JSON Key Sorter

Sort JSON keys A→Z (all levels or top-level only) for clean diffs.

JSON A → Z

Markdown Preview

Instant md->HTML preview with local conversion and copy/download.

md -> HTML

Markdown TOC Generator

Generate a Markdown table of contents from headings with H2-H4 options.

TOC / H2-H4

Image Resizer & Compressor

Resize and compress images locally with preview and quality control.

Resize / Compress

Image Format Converter

Convert PNG/JPEG/WebP locally with quality and transparency options.

PNG / JPEG / WebP

SVG Viewer

Paste SVG markup and check the rendered output instantly in your browser.

SVG Preview

Line Shuffler

Shuffle lines randomly for raffles, seating, or task rotation.

Shuffle

Line Sorter

Sort lines in ascending, descending, or length-based order.

A → Z / Z → A

List Converter

Convert between •, -, and 1. lists with indentation control.

• / - / 1.

Prefix/Suffix Adder

Add text to the start or end of each line in bulk.

prefix / suffix

Markdown Table Formatter

Align Markdown table columns while keeping alignment markers intact.

| --- |

Duplicate Line Remover

Keep only unique lines and remove duplicates from lists.

Duplicate → Unique

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.

A ⇄ A

Password Generator

Generate secure passwords locally, with instant copy and strength guidance.

Local generation

OGP Tag Generator

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.

FAQPage / JSON-LD

robots.txt Generator

Build a robots.txt template with Allow/Disallow rules and Sitemap lines.

Allow / Disallow