Fast tools, no account, no setup
One clean place for 3,442 useful web tools.
Calculators, converters, generators, validators, trackers, and file utilities that open instantly and stay out of your way.
3,442 tools 93 categories 0 signup steps
Start here
The common jobs are one click away.
Files
Merge PDFs, convert images, resize files, and clean documents in the browser.
CalculatorsRun everyday math, finance, science, tax, health, and home estimates fast.
CodeFormat JSON, inspect headers, decode tokens, test regex, and generate snippets.
SignDraw or type your signature, place it on a PDF, and download the signed file.
Popular utilities
Small tools that do real work.
Word Counter Text & Writing Tools QR Code Generator Developer Tools Password Generator Security & Privacy JSON formatter & validator Developer & Code Tools Mortgage Calculator Loans & Mortgages — US Invoice Generator Business & Admin Color Palette Generator Color & Design WiFi QR code generator (connect guests instantly) Social & Fun Image to OCR Text Extractor Tools — Files & Productivity PDF Merger (Free Web Tool) Tools — Files & Productivity Markdown to PDF Converter Tools — Files & Productivity Business Days Between Dates (US/UK/CA/AU) Tools — Files & Productivity
New on instant.tw
Pro flagships shipped from the master plan.
Real client-side PDF, image, and signing tools — built to replace iLovePDF / iLoveIMG / iLoveSign without the upload-to-someone-else's-server trade-off.
Coverage
Broad enough for daily work, specific enough to be useful.
Developer Tools — Advanced 179 Trade & Construction Calculators 163 PDF & Document Tools 95 Math & Calculators 92 Word & Puzzle Games 89 Everyday Life & Misc 83 Developer Tools 82 Tools — Files & Productivity 79 Business & Admin 77 Finance & Business 72 Unit Converters 69 Health & Fitness 65 SEO & Web Marketing 65 Education & Academic 60 Tax & Government — UK 60 Date & Time Tools 59 Image & Creative Media 57 Creator & Social Media 56 Encoding & Conversion 56 AI Utilities 56 Tax & Government — US Federal 55 Random Generators 54 Legal & Compliance 54 SEO & Web Publishing 54
Expansion plan
New categories from the addup.md build list.
These collections group the tools we are adding next. Live tools open directly; queued tools take you to the matching search path until their pages ship.
Reference directories Searchable specification tables, sizing references, compatibility lookups, and practical data directories. 28 Near-me directories Location-aware lookup tools for local services, errands, facilities, and public resources. 22 Business admin Templates, calculators, generators, and workflows for invoices, estimates, vendors, HR, and operations. 30 PDF utilities PDF conversion, cleanup, OCR, extraction, repair, signing, document preparation, and Pro file workflows. 26 Image and media Image conversion, resizing, platform presets, icon generation, trimming, collage, and media cleanup tools. 22 Network lookups DNS, email authentication, TLS, headers, uptime, redirects, and website-owner diagnostics. 28 Date utilities Localized holiday, deadline, workday, payroll, visa, school, and schedule calculators. 27 Finance and tax Country tax calculators, VAT/GST, payroll, lending, remittance, crypto, property, and small-business finance. 25
Every tool, free
3,442 single-page utilities across 93 categories.
Developer Tools — Advanced 179 Trade & Construction Calculators 163 PDF & Document Tools 95 Math & Calculators 92 Word & Puzzle Games 89 Everyday Life & Misc 83 Developer Tools 82 Tools — Files & Productivity 79 Business & Admin 77 Finance & Business 72 Unit Converters 69 Health & Fitness 65 SEO & Web Marketing 65 Education & Academic 60 Tax & Government — UK 60 Date & Time Tools 59 Image & Creative Media 57 Creator & Social Media 56 Encoding & Conversion 56 AI Utilities 56 Tax & Government — US Federal 55 Random Generators 54 Legal & Compliance 54 SEO & Web Publishing 54 HR & Recruiting 53 Marketing & Sales 52 Project & Productivity 51 Ecommerce & Retail 51 Travel & Local 51 Food & Hospitality 51 Science & Engineering 51 Security & Privacy 50 Text & String Manipulation 50 Education & Learning 50 Health, Wellness & Lifestyle 50 Real Estate & Property 50 AI & Prompt Tools 50 Tax & Government — US State 50 Finance Without Calculators 42 Tax & Government — Australia 41 Personal Finance — Everyday 41 Electrical & Electronics 40 Photography & Video 40 Creator Tools 38 Color & Design 38 Tax & Government — Canada 38 Fitness & Health — Personal 33 Home & DIY 31 Developer Utilities 29 Data & Spreadsheet Tools 27 Loans & Mortgages — US 24 Math — Advanced 23 Tax & Government — Canada Provinces 20 Food & Beverage — Advanced 20 Investing — Stocks & Crypto 19 Brand & Naming 18 Education — Advanced 18 Sizing & Fit 18 Text & Writing Tools 16 Tax & Government — Australia States 16 Travel — Practical 16 Probability & Gambling 16 Home — Practical 15 Real Estate — Practical 15 Science & Engineering — Physics 14 Women's Health — Symptoms 14 Events & Social 13 Science & Engineering — Chemistry 12 Environment & Sustainability 12 Math & Numbers 11 Women's Health — Fertility & TTC 10 Finance — Core Math 9 Health — Advanced 9 Developer & Code Tools 8 Women's Health — Pregnancy 8 Freelancer & SMB Finance 8 Beauty — Appointment Helpers 8 Tax & Government — International 8 Social & Fun 7 Women's Health — Postpartum 7 Image & Media Tools 6 Women's Health — Care Navigation 6 Beauty — Hair 6 Beauty — Skincare 6 Women's Health — Menopause 5 SEO & Marketing 4 Productivity & Daily Life 3 Password & Security 3 Women's Health — Cycle & Period 3 Women's Health — Pelvic Floor 3 Women's Health — Contraception 3 Beauty — Makeup Utilities 2 Beauty — Nails 1