Free Tools

Generate SEO meta tags with Google & social preview

Live Google SERP preview + SEO score 0-100 — HubSpot requires signup

Score your headlines 0-100 with A/B comparison

A/B headline compare + Google preview — CoSchedule charges $$$

4 readability formulas + keyword density + time estimates

4 scientific formulas (Flesch, Gunning Fog, Coleman-Liau) — most tools only have 1

4 fun modes: Classic Latin, Cat, Hipster, Office

4 fun modes — most generators only do boring Latin

Build tracking URLs with templates, decoder & history

Save templates + decode any URL + campaign history — Google builder has none of this

Format, validate, tree view & syntax highlight

Tree view + keyboard shortcuts + download .json — jsonformatter.org has ads everywhere

Live match highlighting + groups + replace + cheat sheet

Inline match colors + replace mode + common patterns library — regex101 requires account for save

Compare texts with character-level highlighting + 3 views

No login + syntax highlighting + file upload — diffchecker.com gates behind signup

UUID v4 + NanoID + ULID + Short ID + bulk + validator

5 ID formats + bulk 100 + validator — most tools only generate UUID v4

Linear/Radial/Conic + 12 presets + Tailwind export

Conic gradient + Tailwind copy — cssgradient.io only does linear/radial

Visual builder + next 10 run times + 12 presets

Shows next 10 run times + human-readable translation — crontab.guru only shows expression

Text + drag-drop image encoding with size comparison

Image drag-drop + size comparison — base64encode.org text only

Live preview, toolbar, export HTML or download .md

Split-pane live preview + toolbar + GFM tables — no signup needed

15+ formats: UPPER, lower, Title, camelCase, snake_case, kebab-case

15 formats including path/case + dot.case — most converters only do 5

Minify or beautify CSS with compression stats

Real-time size comparison + beautify mode — cssnano requires npm install

Flatten nested JSON, preview table, download CSV/TSV

Auto-flatten nested objects + column selection — convertcsv.com has ads

Encode/decode + URL parser + query string builder

3 modes: encode, parse, build — includes Base64 URL encoding

Unix timestamp ↔ date, live clock, multiple timezones

Live clock + 14 timezones + relative time — epochconverter.com has banner ads

Decode header, payload, check expiration, compare claims

Claim labels + expiration check + colored sections — jwt.io cluttered UI

Minify or beautify HTML with compression stats

Beautify mode + download .html — no npm install needed

Minify or beautify JS with real-time compression stats

Safe minification + beautify — no build tool required

Find your IP + lookup any IP for location, ISP, timezone

Auto-detect your IP + private IP reference table

Pick colors, get HEX/RGB/HSL, generate tints, shades, harmonies

Tints + shades + 3 harmony types + Tailwind copy — Google picker has no export

6 harmony modes + export CSS/Tailwind/JSON + save palettes

6 math harmony modes + Tailwind export + save palettes — coolors.co limits free saves

WCAG 2.0 AA/AAA testing with auto-fix suggestions

Auto-suggests passing colors — webaim checker only says pass/fail

Calculate ratios, social media presets, resolution table

12 social presets + visual preview + PPI calculator — unique combo

6 content types + custom colors + bulk mode + never expires

No signup + no expiry + WiFi/vCard + bulk — qr-code-generator.com charges for customization

3 calculators in 1: percentage, tip split, profit margin

Reverse calc + 3-product compare + industry benchmarks — calculator.net has no comparison

4 templates + CTA button + pronouns + works in all email clients

4 templates + CTA button + pronouns FREE — WiseStamp charges $6/month for this

Live preview + print PDF + 8 currencies + no watermark

No watermark + shareable link + 8 currencies — others add watermark on free tier

SVG chart + breakeven analysis + monthly breakdown

Visual breakeven chart + time savings calc — no other free tool does this

SVG circle timer + Web Audio chime + daily stats + streak

Sound chime + browser notifications + streak tracking — most web timers are basic

Real-time cost + annual impact + fun SaaS comparisons

Annual impact + "costs more than X months of Slack" — unique to us

Meeting planner for remote teams + world clock dashboard

Meeting planner with visual overlap + 8-clock dashboard — timeanddate.com cluttered with ads

Scoring + crack time + generator + 200+ common passwords check

Crack time estimate + NanoID generator + 200+ common check — 100% client-side, nothing sent to server

Random passwords + passphrases + bulk generate + strength meter

Web Crypto API + passphrase mode + bulk 50 — most generators lack passphrase option

MD5, SHA-1, SHA-256, SHA-512, CRC32 + HMAC + file hashing

6 algorithms + HMAC mode + file drag-drop + hash compare — all client-side

Answer 5 questions, get a personalized recommendation

Personalized recommendation from 1,006 comparisons

Calculate your monthly SaaS costs

Real pricing data from 60+ tools

Compare pricing across multiple tools

Side-by-side cost comparison

Pick any 2 tools and compare instantly

60+ tools to compare

Answer Yes/No to find your perfect tool in 60 seconds

Interactive decision tree

Build your complete tech stack with total cost

8 categories + 3 preset stacks

Generate a pitch to convince your boss to switch tools

Copy-paste ready pitch

Write a farewell letter to your old SaaS tool

Fun + shareable