The complete tool directory

All 103 free tools, grouped by job.

Every Toolars utility on one page: pick a category, scan the one-line summaries, and open the tool. Core work runs in your browser; anything cloud-based is labelled before it starts.

Writing

7 tools

Case Converter

Switch text between Sentence, Title, UPPER, lower, camelCase, PascalCase, snake_case, and kebab-case, with Unicode-aware casing that runs live in the tab.

Format

Lorem Ipsum Generator

Generate deterministic lorem ipsum by paragraph (1-20) and sentence count (1-12 each), with an exact character count and a .txt download.

Create

Letter Counter

Count characters, words, sentences, lines, and reading time for up to 200,000 characters, then export the metrics with the text as JSON.

Inspect

Text to Handwriting Converter

Typeset up to 4,000 characters on plain, ruled, or grid paper using your device's cursive fonts, and export the page as SVG or PNG.

Create

Bionic Reading Converter

Bold the first half of every letter and number run and copy the result as Markdown. Reading speed improvements are not guaranteed.

Format

Multiple Whitespace Remover

Collapse repeated spaces, drop blank lines, flatten everything to one line, or trim line ends — four modes that clean as you type.

Format

Curated Font Pairings

Filter ten curated Google Fonts pairings by purpose and style, preview them in local fallback fonts, and copy CSS, @import, or JSON.

Inspect

Image Studio

16 tools

Image Cropper

Crop PNG, JPEG, or WebP images to exact pixel coordinates at free or fixed aspect ratios, and export the region as PNG, JPEG, or WebP.

Edit

Image Filters

Adjust brightness, contrast, saturation, grayscale, sepia, and blur with six sliders, then download the filtered PNG at full size.

Edit

Image Resizer

Resize images to exact pixel dimensions with an aspect-ratio lock, one file at a time or in batches of up to 12 downloaded as a zip.

Edit

Image Average Color Finder

Measure an image's alpha-aware average color and copy it as HEX, rgb(), or rgba() — transparent pixels are ignored, not averaged in.

Inspect

Image Color Extractor

Extract up to 12 RGB color groups from a PNG, JPEG, or WebP photo, ranked by alpha-weighted share of the visible analyzed sample; copy HEX values or download a JSON palette.

Inspect

Image Color Picker

Sample one browser-decoded image coordinate without averaging neighbors; read its Canvas RGBA value, copy HEX, or download all three color formats.

Inspect

SVG Blob Generator

Generate organic SVG blobs with seeded, reproducible geometry — anchor points, irregularity, and smoothness — and export as SVG or PNG.

Create

SVG Pattern Generator

Build seamless SVG patterns from dots, grids, stripes, waves, or checker tiles with tunable size and opacity, then export SVG or PNG.

Create

Photo Censor

Pixelate or blur a selected photo region locally and export PNG, JPEG, or WebP. Visual obscuring is not reliable redaction of sensitive details.

Edit

SVG to PNG Converter

Convert SVG files to PNG at 1x-4x scale after allowlist sanitization strips scripts and external references — all in the browser.

Convert

SVG Primitive Stroke to Fill

Expand strokes on SVG lines, rects, circles, and ellipses into fill-only geometry. Paths, groups, and dashed strokes are refused, not approximated.

Convert

Image to Base64 Converter

Encode a PNG, JPEG, WebP, or GIF (up to 4 MiB) as Base64 from its original bytes, and copy the data URL or the plain payload.

Convert

Add Text to Image

Add a caption of up to 180 characters to a PNG, JPEG, or WebP with position, font size, and bar opacity controls, then export the PNG.

Create

EXIF Metadata Viewer & Remover

Inspect GPS, camera, and exposure metadata in JPEG and PNG photos, then strip it losslessly — single files or batches of up to 12.

Protect

Image Format Converter

Convert HEIC/HEIF, AVIF, GIF, PNG, JPEG, or WebP to PNG, JPEG, or WebP locally. Choose the output format, quality and flattening color, then compare actual file sizes.

Convert

Image Diff

Compare two images pixel by pixel with split, slider, fade, highlight, and mask views, a match threshold, and an exportable difference mask.

Create

Design

17 tools

CSS Loader Generator

Design an orbit-ring or three-dots loading spinner with size, stroke, speed, and color controls, and copy CSS that respects reduced motion.

Create

CSS Checkbox Generator

Style a custom checkbox with size, border, and state colors, and copy CSS that keeps a real, keyboard-accessible input underneath.

Create

CSS Switch Generator

Design a pure-CSS toggle switch with track, thumb, and two-state colors, and copy code with focus and reduced-motion handling included.

Create

CSS Clip Path Generator

Edit polygon points by dragging, keyboard or coordinates. Start with four presets and copy a clip-path declaration or full CSS, locally.

Create

CSS Background Pattern Generator

Compose dots, grid, or diagonal background patterns from pure CSS gradients — no image file — with tile, mark, and color controls.

Create

CSS Cubic Bezier Generator

Shape easing curves with draggable control points, watch a live motion preview at your duration, and copy the cubic-bezier() values.

Create

CSS Glassmorphism Generator

Build frosted-glass panels with tint, opacity, backdrop blur, saturation, and border controls, previewed over a busy background.

Create

CSS Text Glitch Effect Generator

Create a three-layer chromatic glitch effect for short text with offset and speed controls, and copy CSS with a reduced-motion fallback.

Create

CSS Gradient Generator

Compose linear or radial gradients with explicit angle, focus, and color stops, and copy the single background declaration.

Create

CSS Triangle Generator

Generate pure-CSS triangles from borders — direction, base, height, and fill — with no image, no SVG, and copy-ready code.

Create

CSS Box Shadow Generator

Tune offset, blur, spread, color, opacity, and inset on a live card, and copy the exact box-shadow declaration for your stylesheet.

Create

CSS Border Radius Generator

Shape four corners independently in pixels or percent, linked or unlinked, and copy the explicit four-value border-radius declaration.

Create

Color Harmony Builder

Build five-color palettes from one seed using analogous, complementary, triadic, and other fixed rules, with contrast badges on every swatch.

Create

HEX to RGBA Converter

Convert #RGB, #RGBA, #RRGGBB, and #RRGGBBAA values to rgba() with exact alpha decoding, a live swatch, and a copyable result.

Convert

RGBA to HEX Converter

Convert rgb() and rgba() values to #RRGGBB or #RRGGBBAA with channel-by-channel review and exact alpha-to-hex rounding, locally.

Convert

Color Shades Generator

Generate 3-20 deterministic shades around a base color, pinned in the middle and capped off pure black and white, as CSS custom properties.

Create

Color Mixer

Blend two colors in sRGB with premultiplied alpha or overlay one on the other, and export the result as HEX, RGBA, and CSS.

Edit

Developer

31 tools

Code to Image Converter

Export syntax-highlighted code as PNG or SVG for six languages with light and dark themes, line numbers, a window title, and 1x or 2x scale.

Create

URL Slug Generator

Turn titles into clean URL slugs with hyphens or underscores — accents stripped, ampersands expanded, non-Latin scripts preserved — live as you type.

Create

React Native Shadow Generator

Compare legacy shadow properties and boxShadow for React Native, tune iOS and Android output side by side, and copy the StyleSheet code.

Create

Base64 Encoder/Decoder

Encode Unicode text to Base64 or decode it back with live validation, URL-safe and UTF-8 options, and a swap button for round trips.

Convert

HTML Encoder/Decoder

Escape the five markup-breaking characters or decode named and numeric HTML entities back to text, locally, with one-click round trips.

Convert

URL Encoder/Decoder

Percent-encode query values or whole URIs and decode them strictly, across four modes that match how browsers split the job.

Convert

HTML Minifier

Minify HTML in a local Worker — comments removed, whitespace preserved — with byte statistics on up to 256 KiB of markup.

Format

CSS Minifier

Minify CSS in a local Worker with a strict parse that names line and column on errors, keeping /*! license comments intact.

Format

JavaScript Minifier

Minify JavaScript with Terser in a local Worker, with byte statistics and error positions — never executed, never uploaded.

Format

HTML Formatter

Re-indent HTML with two- or four-space indentation and 100-column wrapping, with a strict parse that flags structural typos locally.

Format

CSS Formatter

Re-indent CSS into readable, consistent rules with two- or four-space indentation, parsed strictly in a local Worker on your device.

Format

JavaScript Formatter

Format JavaScript with a real parser in a local Worker — read untrusted code without executing it, at a two- or four-space indent.

Format

MD5 Hash & Verify

Hash text or files up to 256 MiB with MD5 and verify against a known digest, locally. Unsuitable for adversarial integrity checks.

Create

SHA-1 Hash & Verify

Hash text or files with SHA-1 and verify against a known 40-character digest, locally. Deprecated for signatures; fine for legacy identifiers.

Create

SHA-224 Hash & Verify

Hash text or files with SHA-224 and verify against a known 56-character digest — the truncated SHA-2 variant, computed entirely in the browser.

Create

SHA-256 Hash & Verify

Hash text or files with SHA-256 and verify against a published 64-character checksum, computed locally with case-insensitive comparison.

Create

SHA-384 Hash & Verify

Hash text or files with SHA-384 and verify against a known 96-character digest — the truncated SHA-512 variant, run entirely in the browser.

Create

SHA-512 Hash & Verify

Hash text or files with SHA-512 and verify against a known 128-character digest, computed locally in chunked Worker runs.

Create

JWT Encoder/Decoder

Decode, sign, and verify JWTs across HS256-512, RS256-512, and ES256-512, with exp/nbf checks — keys and tokens never leave the tab.

Convert

JSON Tree Viewer

Explore JSON as a tree and format it locally, up to 256 KiB. Reject duplicate keys and trailing commas; export formatted or minified JSON without uploading.

Inspect

UUID/ULID Generator & Validator

Generate batches of up to 100 UUID v4, UUID v7, or ULID identifiers with Web Crypto randomness, and validate pasted values structurally.

Create

IPv4 Subnet/CIDR Calculator

Calculate network, broadcast, wildcard mask, and usable hosts for any IPv4 CIDR or netmask, with /31 and /32 edge cases handled per RFC.

Inspect

JavaScript Regex Tester

Test JavaScript regular expressions with capture-group inspection, exact match offsets, replacement preview, and a Worker timeout for expensive patterns.

Create

Structured Data Converter

Convert between JSON, YAML, and CSV with explicit formats, spreadsheet-safe CSV output, and fidelity warnings for every accepted loss.

Convert

SQL Formatter

Format or compact SQL across seven dialects — PostgreSQL, MySQL, SQL Server, and more — in a local Worker, without connecting to a database.

Format

Timestamp & Time Zone Converter

Convert Unix timestamps, ISO dates, and wall times between explicit IANA zones with honest DST handling, plus ready-made Discord timestamp codes.

Convert

Text & JSON Diff

Compare text by line, word, or character and JSON by structure, with split and unified views, change navigation, and unified-patch export.

Create

Cron Builder & Explainer

Build and explain five-field Unix cron expressions, with per-field expansion and a next-runs preview checked over 366 days in UTC.

Create

Markdown & HTML Workspace

Convert between Markdown and sanitized HTML in both directions — scripts and remote media stripped — with visible notices for lost structure.

Create

Docker Run to Compose

Translate docker run flags — ports, env, mounts, restart, and more — into a reviewable Compose service YAML, without contacting Docker.

Create

Chmod Calculator

Translate octal and symbolic permissions into readable rwx bits, special-bit explanations, and copy-ready GNU chmod commands.

Inspect

Social Mockups

11 tools

Instagram Filters

Grade photos with Aurora, Noir, Sunset, or Vivid filter recipes at adjustable intensity, and download the PNG at full source resolution.

Edit

Instagram Post Generator

Compose a fictional post concept with headline, caption, and concept likes across three themes, exported as a labelled 1200 × 900 PNG.

Publish

Instagram Story Generator

Frame a fictional story concept with headline, call to action, and scripted time, exported as a labelled 1080 × 1920 PNG.

Publish

Instagram DM Generator

Stage a fictional DM exchange with incoming and outgoing lines and a scripted time, watermarked FICTIONAL CHAT MOCKUP on the exported PNG.

Publish

Tweet Generator

Draft a fictional post card with up to 500 characters and concept metrics; the labelled 1200 × 900 PNG is a concept, not a screenshot.

Publish

Tweet to Image Converter

Typeset supplied text and your own attribution line as an original quote card in three styles — no URL fetching, no screenshot claims.

Convert

Twitter Revenue Mockup

Model hypothetical impressions and revenue figures as a clearly stamped planning card — user-authored numbers, never platform-verified.

Publish

WhatsApp Chat Generator

Stage a fictional WhatsApp-style exchange with two scripted lines and a concept time, exported as a labelled 1200 × 900 mockup.

Publish

iMessage Chat Generator

Compose a fictional iMessage-style exchange with scripted lines, time, and a device label, under a permanent FICTIONAL CHAT MOCKUP watermark.

Publish

YouTube Thumbnail URL Builder

Paste a YouTube URL or video ID and get the four conventional thumbnail candidate URLs — nothing is fetched, so availability is not verified.

Inspect

Open Graph Meta Generator

Draft og:title, og:type, og:url, og:description, og:image, and og:site_name tags with safe escaping and a representative share-card preview.

Publish

PDF Tools

10 tools

PDF Scan Effect

Add a synthetic scan-style texture to a PDF or image locally. This visual effect is not evidence of a physical scan or document authenticity.

Convert

PDF Merger

Merge 2-12 PDFs in your chosen order — up to 50 MiB and 500 pages combined — entirely in the browser, with per-file validation.

Edit

PDF Splitter

Extract selected pages or ranges into one new PDF, in the order you choose. Files stay in your browser and the original is unchanged.

Edit

PDF Rotator

Fix sideways PDF scans by rotating all or selected pages 90, 180, or 270 degrees without rasterizing content. The PDF is saved again; byte identity is not guaranteed.

Edit

Images to PDF

Combine up to 50 PNG and JPEG images into one PDF in your chosen order, fit to each image or scaled onto A4 or Letter pages.

Create

PDF Metadata Remover

Inspect and clear PDF Info fields — Title, Author, Creator, and more — with optional XMP removal, verified after saving, locally.

Protect

Add a Watermark to PDF

Add text or a PNG/JPEG watermark to selected PDF pages. Adjust opacity and use centered or tiled marks, locally in your browser.

Edit

PDF Page Organizer

Reorder, delete, or extract PDF pages from a keyboard-operable thumbnail grid, and download the result without touching the original.

Edit

PDF to Images

Export every page of a PDF as a PNG or JPEG at 75, 150, or 300 DPI, packed into a single zip with numbered file names, locally.

Convert

PDF Compressor

Shrink a PDF by optimizing its structure or re-rendering pages as 150 DPI JPEGs, with an optional byte-size target and exact before/after sizes.

Convert

Files & Utilities

11 tools

Generate 8–128-character passwords from selected character sets with browser Web Crypto; every chosen set appears at least once. Copy to the clipboard or download plain text; generation runs in this tab. The same page creates or verifies Bcrypt hashes in a local Worker (cost 4–12; password limit 72 UTF-8 bytes).

Protect

Tool comparisons

Not sure which one to pick?

Side-by-side differences between the Toolars tools people most often confuse.