Playbooks

Get more from every tool.

In-depth guides covering our free browser-based tools. Learn best practices, compare techniques, and discover how to get the most from every tool — no signup required.

01
Developer

The Guide to Free Everyday Online Tools

Guide to the small free tools that come up constantly: date and time zone maths, financial calculators, a notepad, a focus timer, invoices, and fair random pickers.

free online calculatorseveryday online toolsdate difference calculator
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02
Images

The Complete Guide to Free Online SEO Tools

Complete guide to free browser-based SEO tools: meta tag generator with pixel-accurate previews, JSON-LD schema, robots.txt tester, sitemaps, hreflang and redirects.

free seo toolsmeta tag generatorschema markup generator
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03
Security

The Complete Guide to Free Online Security Tools

Guide to free browser-based security tools: AES encryption, bcrypt hashing, TOTP codes, RSA key pairs, JWT signing and checksum verification. Nothing is uploaded.

free security toolsaes encryption onlinebcrypt generator
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04
Toolkit

Tools That Never Upload Your Files

Why browser-based tools that process files locally are safer than upload-based alternatives, which tasks genuinely work offline, and where the honest limits are.

tools that dont upload filesbrowser based file toolsprivate online tools
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05
Toolkit

The Developer's Guide to Free Browser Tools

Guide to free browser-based developer tools: SQL and code formatters, JSON to TypeScript, cron parsing, structural JSON diff, markdown editing and gitignore templates.

free developer toolssql formatter onlinejson to typescript
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06
Developer

The Complete Guide to Free Online JSON Tools

Complete guide to free online JSON tools: formatter, validator, JSON to CSV converter, JSON to YAML, and XML to JSON. No signup required.

json toolsjson formatter onlinejson to csv
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07
Images

The Complete Guide to Free Image Optimization Online

Complete guide to free online image tools: compress, resize, crop, convert PNG/JPG/WebP, and remove backgrounds with AI. No signup required.

image optimizationcompress images onlineimage converter
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08
Security

The Complete Guide to Password Security & Hashing Tools

Complete guide to free online security tools: password generator, strength checker, MD5 & SHA-256 hash generators. All client-side, no signup required.

password generatorpassword strength checkermd5 hash
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09
Toolkit

The Complete Guide to Free Online PDF Tools

Complete guide to free online PDF tools: merge PDFs, split pages, rotate, and convert images to PDF — all in your browser with no uploads. No signup required.

pdf toolsmerge pdf onlinesplit pdf
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10
Toolkit

The Complete Guide to Free Online Video Tools

Complete guide to free online video tools: screen recorder, video trimmer, compressor, frame grabber, and audio extractor — all browser-based with no uploads.

video toolsscreen recorder onlinetrim video free
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11
Developer

The Complete Guide to Free Online Audio Tools

Complete guide to free online audio tools: voice recorder, audio trimmer, format converter, text-to-speech, and tone generator — all in your browser, no uploads.

audio toolsvoice recorder onlinetrim audio free
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12
Images

The Complete Guide to Free Online Text Tools

Complete guide to free online text tools: word counter, grammar checker, case converter, text cleaner, and duplicate remover — instant, private, no signup.

text toolsword counter onlinegrammar checker free
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13
Security

The Complete Guide to Making Free QR Codes

Complete guide to creating free QR codes: WiFi, restaurant menus, business cards, payments, and Instagram. Generate and scan QR codes in your browser, no signup.

qr code generatorqr code for wifiqr code for menu
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14
Toolkit

The Complete Guide to Free Online Calculators

Complete guide to free online calculators: BMI, age, percentage, loan/EMI, and unit converter. Instant, accurate, private — no signup, works on any device.

free online calculatorbmi calculatorage calculator
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15
Toolkit

Word Counts, Limits & Reading Time: The Complete Guide

How many words should an essay, blog post, or cover letter be? A complete guide to word count targets, words per page, character limits, and reading time — with a free word counter.

how many wordsword count guidewords per page
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