110+ Free Tools · Privacy-First · No Signup

Tiny tools.
Big productivity.

A growing collection of tools for developers, writers, creators, and gamers. Fast, private, and free. Everything runs in your browser, so nothing gets uploaded, tracked, or stored.

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110+
Free Tools
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Text & Writing
5 tools
Image & File
6 tools
Developer
19 tools
🔥 Popular

JSON Formatter

Format, beautify, minify, and validate JSON data instantly.

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Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to plain text.

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✨ New

URL Encoder/Decoder

Encode or decode URLs and query parameters. Handle special characters safely.

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✨ New

Color Converter

Convert colors between HEX, RGB, and HSL formats. Pick colors visually.

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Regex Tester

Test and debug regular expressions with real-time matching, highlighting, and group extraction.

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CSS Minifier

Minify CSS code to reduce file size. Remove comments, whitespace, and unnecessary characters.

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HTML Minifier

Minify HTML by removing comments, whitespace, and unnecessary tags.

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✨ New

Unix Timestamp Converter

Convert Unix timestamps (epoch) to human-readable dates and back. Seconds or milliseconds. ISO 8601, UTC, local.

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✨ New

QR Code Generator

Generate QR codes for URLs, text, WiFi, and more. Download as PNG.

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Markdown to HTML

Convert Markdown text to clean HTML. Live preview and copy-ready HTML output.

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✨ New

JWT Decoder

Decode JWT tokens online. View header, payload, claims, and expiry. 100% client-side — your token stays private.

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✨ New

UUID Generator

Generate UUID v4 (random) or UUID v7 (time-sortable). Bulk lists up to 1,000. Web Crypto powered.

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✨ New

YAML ↔ JSON Converter

Convert between YAML and JSON formats. Instant, validated, bidirectional.

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Text Diff Checker

Compare two blocks of text side-by-side. See additions, removals, and changes highlighted.

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✨ New

CSS Gradient Generator

Design beautiful linear and radial CSS gradients with live preview. Copy-ready code.

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✨ New

Chmod Calculator

Calculate Linux/Unix chmod numeric and symbolic permissions with checkboxes. Common presets included.

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✨ New

JSON to CSV

Convert JSON arrays to CSV instantly. Flatten nested objects, choose delimiter, download as .csv file.

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✨ New

Cron Expression Generator

Build cron expressions with a visual editor. Get plain-English descriptions, common presets, and field reference.

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Text to CSV

Convert plain text, tab-separated, space-separated, or pipe-separated data to CSV. Auto-detects delimiter.

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Text Style & Fun
75 tools
✨ New

Subscript Generator

Convert text into Unicode subscript characters. Copy and paste tiny subscript letters and numbers anywhere.

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Superscript Generator

Convert text to Unicode superscript characters. Copy and paste small raised text anywhere.

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Big Text Generator

Generate bold Unicode big text. Copy and paste eye-catching headline letters anywhere.

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Small Caps Generator

Convert text to Unicode small caps. Copy and paste ALL CAPS-looking but smaller letters into any platform.

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Mirror Text Generator

Generate mirror, backwards, and upside-down text. Copy and paste flipped letters anywhere.

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✨ New

Fraction Generator

Convert ASCII fractions like 1/2 and 3/4 into Unicode fraction characters. Copy and paste ½, ⅓, ¾, ⅝.

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🔥 Popular

Unicode Text Generator

Generate every Unicode text style in one tool. Big, bold, small caps, subscript, superscript, mirror, bubble, fullwidth.

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Pig Latin Translator

Translate English to Pig Latin instantly. Moves leading consonants to the end and adds 'ay'.

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Medieval Translator

Translate modern English into medieval / Olde English using thee, thou, thy, prithee, anon, hark.

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Gen Z Translator

Translate normal English to Gen Z slang. fire, slay, mid, fr, no cap, lowkey, based, goated.

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Norse Translator

Translate common English to Old Norse vocabulary. Vinr, konungr, sverð, guð.

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Fancy English Translator

Translate plain English into fancy Shakespearean English with thou, thy, doth, hath, didst.

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Na'vi Translator

Translate common English words to Na'vi, the constructed language from James Cameron's Avatar.

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Al Bhed Translator

Convert English to Al Bhed cipher from Final Fantasy X. Standard substitution cipher.

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Enderman Translator

Convert English to the Standard Galactic Alphabet — the enchantment table language used by Endermen in Minecraft.

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Runic Alphabet Converter

Convert English text into Elder Futhark runes. Authentic Old Norse-era alphabet.

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Gibberish Generator

Generate random gibberish text. Each word is replaced with a random consonant-vowel pattern of the same length.

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🔥 Popular

Fancy Text Translator

Translate English to 10 fictional / stylized languages: Pig Latin, Medieval, Norse, Gen Z, Na'vi, Al Bhed, Enderman, Runic, more.

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🔥 Popular

Gamertag Generator

Generate random cool gamertags. Adjective + noun + optional number combinations. Bulk lists, copy-ready.

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Xbox Name Generator

Generate random Xbox gamertags with classic xX...Xx, TTV, GG, HD styles.

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Discord Server Name Generator

Generate random Discord server names. Cozy Lounge, Chill Hideout, Lunar Sanctuary, Vapor Atelier.

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Dragonborn Name Generator

Generate authentic D&D Dragonborn names with first name and clan name. From official Player's Handbook lists.

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Random NBA Player Generator

Generate a random NBA player from current stars. LeBron, Curry, Jokić, Wembanyama, Tatum, and more.

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Random Celebrity Generator

Generate a random famous celebrity. Hollywood A-list actors, musicians, and pop stars.

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Random Name Generator

Generate random names: gamertags, Xbox names, Discord servers, Dragonborn, NBA players, celebrities. All in one.

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Random Zip Code Generator

Generate random US zip codes that follow real format patterns. Bulk batches for testing and mockups.

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Random US Address Generator

Generate realistic random US street addresses with city, state, and zip code. For testing and mockups.

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Random Canada Address Generator

Generate realistic random Canadian addresses with proper postal code format (A1A 1A1). Cities and provinces.

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Random UK Address Generator

Generate realistic random UK addresses with proper British postcode format (SW1A 1AA).

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Random Phone Number Generator

Generate random valid-format US phone numbers (+1 (XXX) XXX-XXXX). Realistic for testing.

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Random Canada Phone Number Generator

Generate random Canadian phone numbers with real Canadian area codes (416, 514, 604, 403, 902, etc.).

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Random Date Generator

Generate random dates between 1900 and 2100. Useful for testing, games, and decision making.

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Random Birthday Generator

Generate random birthdays with realistic adult age ranges (18-80 years old).

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Fake Data Generator

Generate fake data for software testing: US/Canada/UK addresses, phone numbers, dates, birthdays, zip codes.

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Fake Profile Generator

Generate complete fake user profiles: name, email, phone, address, birthday, occupation, company. Bulk batches, JSON/CSV export.

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Fake Person Generator

Generate random fake people with full identities: name, email, phone, address, occupation, age, gender.

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Random User Generator

Generate random users with complete profiles for software testing. Like randomuser.me but client-side.

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🔥 Popular

Pirate Translator

Translate English into pirate speak. Ahoy, ye, arrr, matey, doubloons, scallywag, cap'n.

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Yoda Translator

Translate English into Yoda speech. Rearranges sentences object-subject-verb, hmm.

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🔥 Popular

Morse Code Translator

Translate English to Morse code and decode Morse back to English. International Morse, both directions.

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Emoji Translator

Translate English text by adding matching emojis after recognized words. Doesn't replace — augments.

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Darija Translator

Translate common English phrases to Darija (Moroccan Arabic) in Latin transliteration.

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Patois Translator

Translate common English to Jamaican Patois (Patwa): wha gwaan, irie, bredren, criss.

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Anglo-Saxon Translator

Translate common English to real Anglo-Saxon (Old English) vocabulary: cyning, sweord, hāl.

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Shakespearean Insult Generator

Generate random Shakespearean insults from period-authentic word pools. Thou artless beef-witted lout!

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Italic Text Generator

Convert text to Unicode italic characters. Copy-paste italic text into apps that don't support formatting.

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Bold Italic Text Generator

Generate Unicode bold-italic text. Copy-paste into Instagram, Discord, TikTok — works without formatting.

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Script Text Generator

Generate Unicode script / cursive text. Copy-paste fancy script letters anywhere.

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Fraktur / Gothic Text Generator

Generate Unicode Fraktur (Gothic / Blackletter) text. Copy-paste medieval-style script anywhere.

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Gothic Text Generator

Generate Unicode Gothic / Blackletter / Fraktur text. Medieval and metal aesthetics.

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Double-Struck Text Generator

Generate Unicode double-struck (blackboard bold) text. Math-style hollow letters.

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Monospace Text Generator

Generate Unicode monospace text. Code-style fixed-width letters anywhere.

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Random Disney Movie Generator

Generate a random Disney movie to watch tonight. From all classic and modern Disney/Pixar films.

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Random Fruit Generator

Generate random fruits from 50+ varieties. For games, recipes, grocery decisions, learning.

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Random Dinosaur Generator

Generate random dinosaurs from 40+ famous species. T-Rex, Velociraptor, Brachiosaurus, more.

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Random Pokémon Generator

Generate random Pokémon from a curated list of fan-favorites and starters.

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Random Anime Character Generator

Generate random anime characters from popular series. Naruto, One Piece, Demon Slayer, Jujutsu Kaisen, more.

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Random NFL Team Generator

Generate a random NFL team from all 32 franchises. Includes city + team name.

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Wheel of NFL Teams

Spin a random NFL team. All 32 franchises in the wheel.

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Random MLB Team Generator

Generate a random MLB team from all 30 franchises. For fantasy baseball, trivia, fan content.

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Random Restaurant Type Generator

Generate a random restaurant cuisine type to help decide where to eat.

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🔥 Popular

Random Dinner Idea Generator

Generate random dinner ideas. Solves 'what should I cook tonight?' with 45+ classics.

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Yes or No Generator

Random yes/no decision maker. Coin flip for any question.

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Coin Flip

Online coin flip. Random Heads or Tails for any decision.

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Random Letter Generator

Generate random letters A-Z. For games, exercises, classroom activities.

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Random Color Generator

Generate random color names from a curated palette. 50+ named colors.

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Random Country Generator

Generate a random country. For geography quizzes, travel inspiration, trivia.

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Random Emoji Generator

Generate random emojis for any use. 100+ emojis across categories.

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Random Hex Color Generator

Generate random hex color codes (#RRGGBB). Bulk batches for design palettes.

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Random MAC Address Generator

Generate random MAC addresses in standard XX:XX:XX:XX:XX:XX format. For network testing.

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Random IP Address Generator

Generate random IP addresses (IPv4 or IPv6). For network testing, mock data, learning.

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Random IPv4 Generator

Generate random IPv4 addresses. Standard X.X.X.X format, avoids reserved private ranges.

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Random IPv6 Generator

Generate random IPv6 addresses in standard 8-group hex format.

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Random Company Name Generator

Generate random company names. Prefix + suffix combinations for startup brainstorming.

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Random Username Generator

Generate random usernames for any platform. Cool, modern, gaming, social styles.

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SEO
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Security
2 tools

Why 3STF Tools

Tools that respect your time and privacy.

Most online tools are slow, covered in ads, behind signup walls, or secretly collecting your data. We built 3STF Tools for one simple reason: tools should just work. Every tool runs entirely in your browser. Your text, images, and passwords never leave your device.

Lightning Fast

Static-rendered pages, instant interactions. No waiting for servers.

Truly Private

Zero data leaves your browser. Works offline after first visit.

Always Free

No paywalls, no premium tiers, no surprise features locked away.