Softonic Tools

Liters to Fluid Ounces Converter

Convert liters to US customary and UK imperial fluid ounces. Exact conversion factors, side-by-side results and formula shown.

Liters to Gallons Converter

Convert liters to US gallons and imperial (UK) gallons with exact factors. Useful for fuel, brewing and international shipping.

Loan Comparison Calculator

Compare two or more loan offers side by side. See monthly payment, total interest, total cost and break-even for different rates, terms and fees.

Loan EMI Calculator

Calculate Equated Monthly Installment (EMI) for any loan. Get total interest, total payment and a month-by-month amortization schedule.

Loan Payment Calculator

Calculate monthly loan payments, total interest, total paid and estimated payoff date from principal, APR and term.

Logarithm Calculator

Compute logarithms in any base, natural log (ln), common log (log₁₀) or custom base, with the exact value and evaluation steps.

Log File Parser

Paste or upload server and application log files. Filter by date range, log level, IP or message and get highlighted, structured output.

Lorem Picsum Gallery

Browse Lorem Picsum placeholder images at any size. Copy URLs with blur, grayscale or fixed-seed variants for wireframes and prototypes.

Lottery Payout Calculator

Compare a quoted lottery cash option with level or graduated annual payments, estimated final taxes and after-tax present value.

Love Calculator

Enter two names and get a playful love compatibility percentage using a classic FLAMES-style letter-matching algorithm.

Luhn Algorithm Checker

Validate credit card, IMEI, SIN and other Luhn-protected numbers. Returns pass or fail and shows each doubling and checksum step.

Mach to MPH Converter

Convert Mach number to miles per hour and kilometers per hour. Adjusts for altitude and temperature since the speed of sound depends on air conditions.

Macroeconomics Calculator

Solve textbook expenditure GDP, GDP deflator, MPC, MPS, spending multiplier and tax multiplier exercises from values you enter.

Map Radius Tool

Choose a map centre and draw a WGS 84 distance radius in metres, kilometres, miles or feet, then export the boundary as GeoJSON.

Marathon Pace Calculator

Calculate the pace per mile or kilometer you need to finish a marathon (26.2 mi / 42.195 km) in your target time, with split times and negative-split plan.

Margin of Error Calculator

Calculate the margin of error for a survey or poll from your sample size, sample proportion, and confidence level (90%, 95%, or 99%). Get the confidence interval instantly.

Markdown Formatter

Clean up Markdown with consistent heading hierarchy, list spacing, line breaks, table column padding and reference-link sorting.

Markdown Image Generator

Generate Markdown image syntax with alt text, title attribute and optional link wrapping. Inline and reference-style output.

Markdown Link Generator

Generate Markdown link syntax from URL and anchor text. Supports title tooltip and reference-style links for cleaner long documents.

Markdown Previewer

Write Markdown and see the rendered HTML update live. GitHub-flavored syntax with tables, task lists, fenced code and autolinks.

Line Break Remover

Remove, replace or collapse line breaks in text. Handles hard-wrapped emails, PDF-extracted paragraphs and copy-pasted columns.

Line Counter

Count lines in any block of text or code. Get total, non-empty, blank, unique and duplicate line counts instantly for audits and size checks.

List Compare Tool

Paste two lists and instantly see common items, items only in list A, items only in list B, with case and whitespace normalization.

Instagram Font Generator

Generate Unicode "fonts" (bold, italic, script, monospace, fraktur) that paste directly into your Instagram bio, name, captions and comments.

Inverted Text Generator

Flip text upside down using Unicode glyphs that look like mirrored letters, for bios, captions and attention-grabbing social posts.

Invisible Character Detector

Detect and remove zero-width spaces, hidden Unicode characters and invisible separators from any text with codepoint and position reporting.

Lorem Picsum Gallery

Browse Lorem Picsum placeholder images at any size. Copy URLs with blur, grayscale or fixed-seed variants for wireframes and prototypes.

Luhn Algorithm Checker

Validate credit card, IMEI, SIN and other Luhn-protected numbers. Returns pass or fail and shows each doubling and checksum step.

Markdown Formatter

Clean up Markdown with consistent heading hierarchy, list spacing, line breaks, table column padding and reference-link sorting.

Markdown Image Generator

Generate Markdown image syntax with alt text, title attribute and optional link wrapping. Inline and reference-style output.

Markdown Link Generator

Generate Markdown link syntax from URL and anchor text. Supports title tooltip and reference-style links for cleaner long documents.

Markdown Previewer

Write Markdown and see the rendered HTML update live. GitHub-flavored syntax with tables, task lists, fenced code and autolinks.

Link Shortener Decoder

Expand bit.ly, t.co, tinyurl and other short links. See every redirect hop, status code and the final destination before you click.

Keyword Density Checker

Check keyword density and n-gram frequency for SEO content with stop word filtering, stemming and recommended density ranges.

Indexability Checker

Check whether a URL is indexable: robots.txt, meta robots, X-Robots-Tag, canonical signals and HTTP status.

Internal Links Extractor

Extract all internal links from a URL or pasted HTML with anchor text, rel attributes and nofollow status for SEO audits.

Hreflang Checker

Check hreflang annotations in pasted HTML locally for invalid codes, incomplete URLs, duplicates, placement and optional self-reference.

Hreflang Tag Generator

Generate hreflang link tags from a list of multilingual URLs, one line per variant, ready to copy into the head of every page.

Lined Paper Generator

Make printable lined paper free. Choose college, wide or narrow rule, set line spacing in mm, paper size and a margin line, then print or download the SVG.

Instagram Grid Splitter

Split a wide image into a 3×3 Instagram grid, or any number of rows. Tiles keep their order for easy uploading in reverse.

Image Format Converter

Convert images to JPG, PNG or WebP right in your browser, with quality control for the lossy formats and transparency kept in PNG and WebP.

Image Frame Adder

Add a solid frame around any photo with adjustable thickness, a contrasting inner line and live preview, all in your browser.

Image Grayscale Converter

Convert colour images to grayscale in your browser. Free and private, nothing is uploaded.

Image Invert Colors

Invert every RGB channel in an image to produce a negative, useful for creative edits and viewing film scans.

HTML to PDF Converter

Convert basic HTML and inline CSS into an A4, Letter, or Legal raster PDF in your browser, without uploading the source or finished file.

Extract Images from PDF

Extract every image embedded in a PDF file and download them individually or as a single ZIP, preserving their original resolution.

Scan PDF

Turn JPEG, PNG or WebP document photos into one local PDF. Add up to 25 images, choose portrait A4 or US Letter, then download without uploading your files.

Searchable PDF Maker

Turn a scanned PDF into a searchable, selectable document by adding an invisible OCR text layer. Runs entirely in your browser; 7 Latin-script languages.

Redact PDF

Cover sensitive areas and create a fresh flattened PDF in your browser. Every output page is a JPEG image, so original text, links, forms, layers and source metadata are not carried into the copy.

PDF Forms

Fill existing AcroForm PDF fields locally, preserve prefilled values, and download an interactive or explicitly flattened copy.

Liters to Fluid Ounces Converter

Convert liters to US customary and UK imperial fluid ounces. Exact conversion factors, side-by-side results and formula shown.

Liters to Gallons Converter

Convert liters to US gallons and imperial (UK) gallons with exact factors. Useful for fuel, brewing and international shipping.

Loan Comparison Calculator

Compare two or more loan offers side by side. See monthly payment, total interest, total cost and break-even for different rates, terms and fees.

Loan EMI Calculator

Calculate Equated Monthly Installment (EMI) for any loan. Get total interest, total payment and a month-by-month amortization schedule.

Loan Payment Calculator

Calculate monthly loan payments, total interest, total paid and estimated payoff date from principal, APR and term.

Logarithm Calculator

Compute logarithms in any base, natural log (ln), common log (log₁₀) or custom base, with the exact value and evaluation steps.

IP Subnet Calculator

Calculate subnet range, network, broadcast, usable hosts and wildcard mask for any IPv4 CIDR block with full /0 - /32 coverage.

IPv4 to IPv6 Converter

Convert IPv4 addresses to IPv6 in mapped, compatible, 6to4 and embedded formats with the reverse mapping back to IPv4.

HTTP Header Checker

Inspect every HTTP response header returned by a URL to debug caching, CORS, compression and security issues.

HTTP Request Tester

Send HTTP requests with a custom method, headers and body. Inspect the status code, response time, and the full response body and headers.

Domain Age Checker

Check when a domain was first registered and its age in years, months and days using WHOIS data from the registry.

Domain to IP

Resolve any domain name to its IPv4 (A) and IPv6 (AAAA) addresses and copy them into any network tool.

Log File Parser

Paste or upload server and application log files. Filter by date range, log level, IP or message and get highlighted, structured output.

JSON to Excel

Convert JSON to a real Excel XLSX file with typed columns, multiple sheets for nested arrays and date formatting built in.

File Extension Identifier

Find out a file type and its MIME type from a filename or extension, with a reference of common formats and tips for spotting double extensions.

Filename Sanitizer

Clean filenames by stripping unsafe characters, spaces and accents to produce portable names that survive Windows, macOS, Linux and the web.

File Size Analyzer

See any byte count broken down in decimal (KB, MB, GB) and binary (KiB, MiB) units, with the exact figure in bytes.

FLAC to MP3 Converter

Convert lossless FLAC audio to smaller, universally compatible MP3 files for phones, car stereos, players and sharing. Keeps your tags. Upload and download.

JWT Generator

Generate signed JWTs with custom header, payload claims, HMAC or RSA signing, expiry and audience restrictions for testing.

HMAC Generator

Generate HMAC signatures (SHA-256, SHA-384, SHA-512, SHA-1, MD5) from a message and secret key for API auth and webhooks.

Gwei to Ether Converter

Convert an amount in Gwei to Ether (ETH) with up to 18 decimal places. Useful for estimating gas fees and reading transaction data.

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 and CRC32 hashes from text, with a copy-ready digest for checksums and comparisons.

File Hash Calculator

Calculate MD5, SHA-1, SHA-256 and SHA-512 hashes of pasted text or file contents to verify downloads and file integrity.

ETH to USD Converter

Convert Ethereum (ETH) to US dollars with a live ETH/USD rate, or enter your own rate. See what any ETH amount is worth in USD.

iMessage Screenshot Generator

Create realistic iMessage conversation screenshots with blue and grey bubbles, timestamps, contact name and iOS status bar.

Instagram Bio Generator

Build an Instagram bio that fits in 150 characters, with optional emojis, line breaks and a single external link. Character count shown live.

Instagram Hashtag Generator

Generate focused Instagram hashtag sets from a topic keyword. Mix of high-volume, mid-tier and niche tags to avoid getting buried.

Fake Zoom Chat Generator

Create fake Zoom meeting chat screenshots with custom participants, messages, timestamps and the Everyone / DM recipient badge.

Facebook Debugger Link Generator

Generate a one-click link to run any URL through the Facebook Sharing Debugger for Open Graph previews and cache refreshes.

Fake Chat Screenshot Generator

Create realistic fake chat screenshots with custom contacts, messages and timestamps for app mockups, memes and tutorials.

Ice Breaker Question Generator

Generate 1 to 10 localized, low-pressure questions from fun, teamwork or gentle-reflection sets privately in your browser.

Haiku Checker

Check whether a poem follows the 5-7-5 haiku structure. Get a live syllable count per line and a pass or fail verdict.

Headcanon Generator

Create curated headcanon prompts for fictional characters and OCs. Choose focus, tone and canon distance; generate locally in your browser tab.

English to Pig Latin

Translate English into Pig Latin and back. Applies the classic consonant-cluster move plus the -ay suffix rule.

Cliche Detector

Paste writing and the detector checks it against a list of common English cliches, reporting how often each phrase appears.

Spelling Bee Generator

Generate a shuffled English spelling word list by level, from Grade 1 to a hard Bee round. Free, built-in word lists for classroom or home practice.

Love Calculator

Enter two names and get a playful love compatibility percentage using a classic FLAMES-style letter-matching algorithm.

Letter Boxed Solver

Solve the NYT Letter Boxed puzzle. Enter the four sides of the box and the solver lists valid words and two-word solutions covering every letter.

Letter Template Generator

Generate formatted letter templates ready to download. Covers formal business letters, cover letters, resignation notices and thank-you follow-ups.

Invoice Generator

Create professional PDF invoices with line items, tax breakdown, discounts, currency, payment terms and your logo.

Ingredient Substitution Finder

Find reliable kitchen substitutes for any ingredient you are missing, with correct ratios and notes on what changes in the recipe.

Grocery List Maker

Build a grocery list sorted into store sections. Type or paste your items, get them grouped automatically, and print or share the finished list from any device.