A WORKSHOP · FREELY OPEN

Free tools, freely given.

155 lightweight utilities for PDF, images, text, and data. Many run entirely in your browser; the rest process on our machines and delete your files afterwards.

No account · no upsell · no upload-then-pay.

No account needed
Many tools run in your browser
Files deleted after processing
Nothing tracked

GENERATE · IN YOUR BROWSER

QR Studio

Logos, photos and 16 templates — a QR worth scanning, built locally.

Open QR Studio

Browse by category

PDF10

PDF

Every PDF tool you need — free, private, no watermarks.

IMG14

Image

Image tools that run in your browser.

CVT14

Convert & Data

Convert files and data, both ways.

GEN9

Generate

Generate QR codes and more.

TXT22

Text

Text tools for everyday writing and cleanup.

DEV26

Developer

A developer’s utility belt.

SEC7

Security

Passwords, hashes and IDs — generated safely in your browser.

COL11

Color & Design

Color & design helpers.

TIME7

Time & Date

Time & date utilities.

CAP3

Capture

Capture your screen.

CALC16

Calculate

Quick calculators for everyday math.

SEO10

Web & SEO

Ship search-ready pages, faster.

NET6

Network

IPv4 math without the mental gymnastics.

PDF

PDF · 01

PDF Split

Popular

Every page, by range, or hand-picked.

PDF · 02

PDF Merge

Combine, reorder, choose which pages.

PDF · 03

Remove Pages

Preview, drop the ones you don't need.

PDF · 04

PDF Compress

Popular

Smaller file, the same document.

PDF · 05

PDF to Images

Every page, as a PNG.

PDF · 06

Rotate PDF

New

90°, 180° or 270°, lossless.

PDF · 07

Page Numbers

New

Stamp numbers on every page.

PDF · 08

Watermark

New

Diagonal text across each page.

PDF · 09

PDF Password

New

Add or remove a password.

PDF · 10

OCR PDF

NewAccount

Make a scan searchable.

Image

IMG · 01

Image Resize

Exact dimensions, kept proportions.

Runs in your browser · no upload

IMG · 02

Image Compress

Popular

Smaller file, the same picture.

Runs in your browser · no upload

IMG · 03

Image Convert

PNG · JPG · WebP, one click.

Runs in your browser · no upload

IMG · 04

Strip Metadata

New

Remove EXIF / GPS from a photo.

IMG · 05

Image to Base64

New

Encode an image as a data URI.

Runs in your browser · no upload

IMG · 06

Base64 to Image

New

Decode a data URI to an image.

Runs in your browser · no upload

IMG · 07

Grayscale

New

Convert a photo to black & white.

Runs in your browser · no upload

IMG · 08

Rotate & Flip

New

Turn or mirror an image.

Runs in your browser · no upload

IMG · 09

SVG to PNG

New

Rasterise SVG to PNG.

Runs in your browser · no upload

IMG · 10

Invert Image

New

Flip an image to its colour negative.

Runs in your browser · no upload

IMG · 11

Image Border

New

Add a solid border around an image.

Runs in your browser · no upload

IMG · 12

Favicon Generator

New

One image → a full favicon package.

Runs in your browser · no upload

IMG · 13

Image OCR

New

Pull text out of a photo or screenshot.

Runs in your browser · no upload

IMG · 14

Remove Background

NewAccount

Cut a photo out onto a transparent background.

Convert & Data

CVT · 01

HEIC to JPG

NewPopular

iPhone photos → JPEG.

CVT · 02

Image to PDF

New

JPG / PNG / WebP → PDF.

CVT · 03

Video to GIF

NewAccount

Turn a short clip into a looping GIF.

CVT · 04

Video to MP3

NewAccount

Pull the audio track out of a video.

CVT · 05

CSV to JSON

Spreadsheet in, objects out.

CVT · 06

CSV to Markdown

New

CSV → Markdown table.

Runs in your browser · no upload

CVT · 07

TSV to JSON

New

Tab-separated rows → JSON.

Runs in your browser · no upload

CVT · 08

JSON to XML

New

Readable XML from JSON.

Runs in your browser · no upload

CVT · 09

Number to Words

New

Spell out a whole number.

Runs in your browser · no upload

CVT · 10

Roman Numerals

New

Number ↔ Roman numeral.

Runs in your browser · no upload

CVT · 11

Unicode Inspector

New

Code points, entities & bytes.

Runs in your browser · no upload

CVT · 12

List to JSON

New

Turn lines into a JSON array.

Runs in your browser · no upload

CVT · 13

CSV to HTML Table

New

Turn CSV into an HTML table.

Runs in your browser · no upload

CVT · 14

Flatten JSON

New

Collapse nested JSON into dotted keys.

Runs in your browser · no upload

Generate

GEN · 01

QR Code

NewPopular

Logo, photo & 16 templates.

Runs in your browser · no upload

GEN · 02

QR Site

New

Host a menu, catalog or price list behind one scan.

GEN · 03

Random Number

New

Crypto-strength random integers.

Runs in your browser · no upload

GEN · 04

Placeholder Image

New

Custom placeholder PNGs, drawn locally.

Runs in your browser · no upload

GEN · 05

Random String

New

Random strings from a chosen alphabet.

Runs in your browser · no upload

GEN · 06

NanoID Generator

New

Compact, URL-safe unique IDs.

Runs in your browser · no upload

GEN · 07

Dice Roller

New

Roll dice with NdM notation.

Runs in your browser · no upload

GEN · 08

Random Color

New

A random colour with hex, RGB and HSL.

Runs in your browser · no upload

GEN · 09

Initials Avatar

New

Generate an avatar from initials.

Runs in your browser · no upload

Text

TXT · 01

Text Diff

New

Compare two blocks, line by line.

Runs in your browser · no upload

TXT · 02

Case Converter

New

camelCase, snake_case & more.

Runs in your browser · no upload

TXT · 03

Word Counter

New

Words, chars, reading time.

Runs in your browser · no upload

TXT · 04

Lorem Ipsum

New

Placeholder text, your length.

Runs in your browser · no upload

TXT · 05

Slugify

New

Title → clean URL slug.

Runs in your browser · no upload

TXT · 06

Sort Lines

New

Alphabetical or numeric sort.

Runs in your browser · no upload

TXT · 07

Dedupe Lines

New

Keep first, drop repeats.

Runs in your browser · no upload

TXT · 08

Find & Replace

New

Swap text, plain or regex.

Runs in your browser · no upload

TXT · 09

Reverse Text

New

Flip characters, words or lines.

Runs in your browser · no upload

TXT · 10

Repeat Text

New

Repeat a string N times.

Runs in your browser · no upload

TXT · 11

Remove Line Breaks

New

Flatten to a single line.

Runs in your browser · no upload

TXT · 12

Remove Extra Spaces

New

Tidy messy whitespace.

Runs in your browser · no upload

TXT · 13

Add Line Numbers

New

Number every line.

Runs in your browser · no upload

TXT · 14

Morse Code

New

Text ↔ Morse code.

Runs in your browser · no upload

TXT · 15

ROT13

New

Rotate letters by 13.

Runs in your browser · no upload

TXT · 16

Caesar Cipher

New

Shift letters by N.

Runs in your browser · no upload

TXT · 17

Binary ↔ Text

New

Text to binary and back.

Runs in your browser · no upload

TXT · 18

NATO Phonetic

New

Spell with the ICAO alphabet.

Runs in your browser · no upload

TXT · 19

Fancy Text

New

Unicode styled text for bios and posts.

Runs in your browser · no upload

TXT · 20

Remove Accents

New

Strip diacritics from text.

Runs in your browser · no upload

TXT · 21

Word Wrap

New

Reflow text to a column width.

Runs in your browser · no upload

TXT · 22

Remove Duplicate Words

New

Keep the first of each word, drop repeats.

Runs in your browser · no upload

Developer

DEV · 01

JSON Formatter

Indent, sort, beautify.

DEV · 02

JSON Validator

Find the missing comma.

DEV · 03

Base64

Encode or decode in one tap.

Runs in your browser · no upload

DEV · 04

URL Encode

New

Percent-encode for safe URLs.

Runs in your browser · no upload

DEV · 05

HTML Entities

New

Escape or unescape markup.

Runs in your browser · no upload

DEV · 06

JWT Decoder

New

Read a token’s header & claims.

Runs in your browser · no upload

DEV · 07

JSON to CSV

New

Array of objects → CSV.

Runs in your browser · no upload

DEV · 08

Number Base

New

Binary, octal, decimal & hex.

Runs in your browser · no upload

DEV · 09

Hex Converter

New

Text ↔ hex, UTF-8 bytes.

Runs in your browser · no upload

DEV · 10

Query String

New

URL params → pairs & JSON.

Runs in your browser · no upload

DEV · 11

JSON Minify

New

Strip whitespace from JSON.

Runs in your browser · no upload

DEV · 12

String Escaper

New

Escape or unescape a string.

Runs in your browser · no upload

DEV · 13

URL Parser

New

Break a URL into its parts.

Runs in your browser · no upload

DEV · 14

JSON to TypeScript

New

Infer a TS type from JSON.

Runs in your browser · no upload

DEV · 15

HTTP Status Codes

New

Searchable status-code reference.

Runs in your browser · no upload

DEV · 16

MIME Types

New

Extension → MIME type.

Runs in your browser · no upload

DEV · 17

Base32

New

Base32 encode & decode.

Runs in your browser · no upload

DEV · 18

HTML to Text

New

Strip tags, keep the text.

Runs in your browser · no upload

DEV · 19

Cron Describe

New

Explain a cron expression in English.

Runs in your browser · no upload

DEV · 20

Regex Tester

New

Test a regular expression against text.

Runs in your browser · no upload

DEV · 21

CSS Minify

New

Strip comments and whitespace from CSS.

Runs in your browser · no upload

DEV · 22

XML Formatter

New

Pretty-print XML with indentation.

Runs in your browser · no upload

DEV · 23

ASCII Table

New

The 128 ASCII characters and their codes.

Runs in your browser · no upload

DEV · 24

JSON Sort Keys

New

Alphabetise the keys in a JSON object.

Runs in your browser · no upload

DEV · 25

.env to JSON

New

Turn a .env file into a JSON object.

Runs in your browser · no upload

DEV · 26

Line Endings

New

Convert between LF, CRLF and CR.

Runs in your browser · no upload

Security

SEC · 01

UUID

Generate a v4 identifier.

Runs in your browser · no upload

SEC · 02

Password

Strong, random, copyable.

SEC · 03

Hash

New

SHA-1 · 256 · 384 · 512.

Runs in your browser · no upload

SEC · 04

Password Strength

New

Estimate entropy and crack time.

Runs in your browser · no upload

SEC · 05

Token Generator

New

Random hex, Base64 or alphanumeric tokens.

Runs in your browser · no upload

SEC · 06

Passphrase Generator

New

Memorable word-based passphrases.

Runs in your browser · no upload

SEC · 07

Basic Auth Header

New

Build an HTTP Basic Authorization header.

Runs in your browser · no upload

Color & Design

COL · 01

Color Converter

New

HEX · RGB · HSL, live swatch.

Runs in your browser · no upload

COL · 02

Contrast Checker

New

WCAG ratio, AA & AAA.

Runs in your browser · no upload

COL · 03

Gradient Generator

New

CSS gradients, live preview.

Runs in your browser · no upload

COL · 04

Tints & Shades

New

A lightness scale from a colour.

Runs in your browser · no upload

COL · 05

Color Mixer

New

Blend two colours.

Runs in your browser · no upload

COL · 06

HEX to RGBA

New

Add alpha, get rgba() & hex8.

Runs in your browser · no upload

COL · 07

Named Colors

New

CSS named colours with hex.

Runs in your browser · no upload

COL · 08

Color Harmonies

New

Complementary, triadic & more.

Runs in your browser · no upload

COL · 09

HEX to CMYK

New

Convert a hex colour to CMYK.

Runs in your browser · no upload

COL · 10

Box Shadow Generator

New

Build a CSS box-shadow visually.

Runs in your browser · no upload

COL · 11

Border Radius Generator

New

Build a CSS border-radius visually.

Runs in your browser · no upload

Time & Date

TIME · 01

Timestamp

New

Unix ↔ human date.

Runs in your browser · no upload

TIME · 02

Age Calculator

New

Exact age from a birth date.

Runs in your browser · no upload

TIME · 03

Date Duration

New

Days & months between dates.

Runs in your browser · no upload

TIME · 04

Time Zone Converter

New

One moment, across zones.

Runs in your browser · no upload

TIME · 05

Week Number

New

ISO week number for a date.

Runs in your browser · no upload

TIME · 06

Business Days

New

Count weekdays between two dates.

Runs in your browser · no upload

TIME · 07

Add Days to Date

New

Add or subtract days, weeks or months.

Runs in your browser · no upload

Capture

CAP · 01

Screen Recorder

New

Record your screen, download it.

Runs in your browser · no upload

CAP · 02

Audio Recorder

New

Record from your microphone.

Runs in your browser · no upload

CAP · 03

Webcam Snapshot

New

Take a photo with your camera.

Runs in your browser · no upload

Calculate

CALC · 01

Percentage Calculator

NewPopular

Percentages, three everyday ways.

Runs in your browser · no upload

CALC · 02

Aspect Ratio

New

Resize without distortion.

Runs in your browser · no upload

CALC · 03

Temperature

New

°C · °F · K, live.

Runs in your browser · no upload

CALC · 04

BMI Calculator

New

Body Mass Index, metric or imperial.

Runs in your browser · no upload

CALC · 05

Tip Calculator

New

Split a bill and add a tip.

Runs in your browser · no upload

CALC · 06

Discount Calculator

New

Take a percentage off a price.

Runs in your browser · no upload

CALC · 07

Average Calculator

New

Mean, median, mode and more.

Runs in your browser · no upload

CALC · 08

Simple Interest

New

Interest on a principal over time.

Runs in your browser · no upload

CALC · 09

Length Converter

New

Metric and imperial length units.

Runs in your browser · no upload

CALC · 10

Weight Converter

New

Grams, kilograms, pounds and more.

Runs in your browser · no upload

CALC · 11

Data Size Converter

New

Bytes, KB, MB, GB — decimal & binary.

Runs in your browser · no upload

CALC · 12

Time Unit Converter

New

Milliseconds to years, both ways.

Runs in your browser · no upload

CALC · 13

Area Converter

New

Square metres, acres, hectares and more.

Runs in your browser · no upload

CALC · 14

Speed Converter

New

m/s, km/h, mph, knots and more.

Runs in your browser · no upload

CALC · 15

GCD & LCM

New

Greatest common divisor and least common multiple.

Runs in your browser · no upload

CALC · 16

Loan Payment

New

Monthly payment on an amortised loan.

Runs in your browser · no upload

Web & SEO

SEO · 01

Meta Tag Generator

New

The head-tag essentials, generated.

Runs in your browser · no upload

SEO · 02

Open Graph Generator

New

Social-share meta tags.

Runs in your browser · no upload

SEO · 03

robots.txt Generator

New

A valid robots.txt in seconds.

Runs in your browser · no upload

SEO · 04

UTM Builder

New

Tag campaign links, encoded.

Runs in your browser · no upload

SEO · 05

Meta Length Checker

New

Title & description length for search.

Runs in your browser · no upload

SEO · 06

Keyword Density

New

Word frequency for a block of text.

Runs in your browser · no upload

SEO · 07

Sitemap Generator

New

Build an XML sitemap from a URL list.

Runs in your browser · no upload

SEO · 08

Twitter Card Generator

New

Generate twitter:* card meta tags.

Runs in your browser · no upload

SEO · 09

FAQ Schema Generator

New

Build FAQPage JSON-LD for rich results.

Runs in your browser · no upload

SEO · 10

SERP Preview

New

Preview a Google search snippet.

Runs in your browser · no upload

Network

NET · 01

Subnet Calculator

New

IPv4 ranges from a CIDR.

Runs in your browser · no upload

NET · 02

IP Converter

New

IPv4 as decimal, hex & binary.

Runs in your browser · no upload

NET · 03

IP in CIDR

New

Is an address inside a block?

Runs in your browser · no upload

NET · 04

IPv6 Expand

New

Expand and compress IPv6 addresses.

Runs in your browser · no upload

NET · 05

Port Reference

New

Common TCP/UDP ports and services.

Runs in your browser · no upload

NET · 06

User-Agent Parser

New

Read a browser User-Agent string.

Runs in your browser · no upload