✦ 134+ tools100% freeNo signupRuns in your browser

Free Online Tools for Text, SEO, Development & Calculations

One place for every tool you need — robots.txt generator, text anonymizer, PDF converter, financial calculators, SEO analyzers, developer utilities, and more. Everything runs in your browser. Your data stays on your device.

134+

Free Tools

15

Categories

0

Signup Required

100%

Browser-Based

A selection of useful Texterfly tools — all free and browser-based.

Browse All Tool Categories

15 categories covering SEO, development, PDF, finance, text, math, conversion, image tools, generators, education, and more.

A comprehensive suite of free online tools to manage and manipulate your PDF documents with ease.

View all PDF Tools →

Convert between different units and currencies with ease

View all Conversion →

Explore our collection of free and easy-to-use online calculators for everyday tasks, technical lookups, and a bit of fun.

View all General & Fun Calculators →

Everyday browser-based utilities that just work — no sign-up, no uploads, nothing stored on a server.

View all Utility Tools →

A suite of powerful tools for students, educators, and lifelong learners.

View all Education Tools →

Why Use Texterfly?

Always Free

Every tool is 100% free. No subscription tiers, no credit card, no premium upsells — just open the tool and use it.

Your Data Stays Private

All tools run in your browser. Your text, files, and inputs are never sent to a server, never logged, never stored. What you type stays on your device.

Instant Results

No upload queues, no server-side delays. Every calculation, conversion, and generation happens instantly in your browser.

Works on Any Device

Fully responsive — use it on desktop, tablet, or mobile. No app download required on iOS or Android.

Built for Professionals

Used by developers, SEO specialists, legal teams, data analysts, and content creators who need reliable tools that just work.

Constantly Growing

New tools and improvements are added regularly based on real user needs. Texterfly is actively maintained.

Free Online Tools Built Around Privacy

Most online tool websites send your data to a remote server to process it. Your sensitive text, private documents, and financial figures pass through infrastructure you don't control. Texterfly was built on a different principle: every tool runs entirely in your browser using JavaScript, WebAssembly, or the Web File API. Nothing is ever uploaded, logged, or stored.

This matters most for tools like the text anonymizer and PII redactor, the PDF to JPG converter, and the robots.txt generator — tools professionals use with data they can't afford to expose. With Texterfly, your data never leaves your device.

Texterfly offers 134+ tools across SEO, development, text processing, PDF management, financial calculations, health metrics, and more — all free, no account, no limits.

Frequently Asked Questions

Are all tools on Texterfly completely free?

Yes. Every tool is 100% free — no hidden costs, no subscription, no account required.

Is my data private when using Texterfly tools?

All processing happens in your web browser. Your text, files, and inputs are never uploaded, never stored, and never transmitted. This applies to every tool including the text anonymizer, PDF tools, and calculators.

Do I need to create an account?

No signup, no login, no account — ever. Open any tool and start using it immediately.

What types of tools does Texterfly offer?

Texterfly has 134+ tools across 15 categories: SEO & Content (robots.txt generator, keyword density checker, meta tag generator), Developer (JSON formatter, QR code generator, password generator), PDF (PDF to JPG, merge, split, compress), Finance (loan, mortgage, compound interest calculators), Text Analysis (anonymizer, readability score, word counter), Math (percentage, discount calculators), Text Conversion (case converter, morse code, binary), and Health (BMI, calorie calculator).

Does Texterfly have a robots.txt generator?

Yes. Create a valid robots.txt file instantly. Configure crawler permissions, crawl delays, and sitemap URLs — then copy or download the result. Free, browser-based, no signup.

Can I use Texterfly on mobile?

Yes. All tools are fully responsive and work on iOS and Android in any modern browser. No app needed.

What is the text anonymizer for?

It detects and redacts PII from text — emails, phone numbers, SSNs, credit card numbers, dates of birth, IBAN numbers, IP addresses, and more. Used for GDPR and HIPAA compliance. All processing is client-side.

Does Texterfly have financial calculators?

Yes: loan calculator, mortgage calculator, compound interest calculator, amortization schedule, and e-commerce profitability calculator. All produce instant results in your browser.

What developer tools are available?

JSON formatter & validator, QR code generator, password generator, timestamp converter, cron job generator, lorem ipsum generator, base64 encoder/decoder, and more.

Can I convert PDF files with Texterfly?

Yes. PDF to JPG, JPG to PDF, merge PDF, split PDF, and compress PDF — all free and browser-based. Your files are never uploaded.

How many tools does Texterfly have?

134+ free tools across 15 categories, with new tools added regularly based on user demand.

Are the SEO tools beginner-friendly?

Yes. The meta tag generator, robots.txt generator, XML sitemap generator, schema markup generator, and alt text generator all have clear instructions and produce ready-to-use output — no technical experience needed.