Free tools for makers
Browser-based utilities that solve real problems. No accounts, no paywalls, no nonsense.
US Supplement Facts Panel Generator
Create FDA-compliant supplement facts panels from a simple markdown description. Preview in real time and download as PNG or vector SVG.
Open tool DocumentsMarkdown to PDF Converter
Paste or load any .md file, preview it as a styled document, and download as a PDF. Supports tables, headings, bold/italic and all standard markdown.
Open tool CalculatorPercentage Calculator
Find X% of Y, what percent X is of Y, percentage change, and convert between markup and margin. Instant results as you type.
Open tool CalculatorAge Calculator
Calculate your exact age in years, months, and days. See your generation, zodiac signs, planet ages, and fun milestones.
Open tool CalculatorDiscount Calculator
Calculate sale prices with single discounts, stacked discounts, or fixed amounts off. See how much you save instantly.
Open tool CalculatorTip Calculator
Calculate tips and split bills with friends. Quick-tap percentage buttons, pre-tax option, and round-up feature. Mobile-friendly.
Open tool CalculatorDate Calculator
Find days between dates, add or subtract days, and calculate business days. Shows breakdown in years, months, weeks, and days.
Open tool CalculatorBill Split Calculator
Split bills equally or with custom amounts per person. Add tip, round up, and copy per-person totals to share.
Open tool FinanceROI Calculator
Calculate return on investment and annualized returns (CAGR). Compare two investments side by side with visual charts.
Open tool ReferenceISO Country Codes
Search ISO 3166 country names and alpha-2 / alpha-3 codes as you type. Click any code to copy it — handy when you know the country but not the abbreviation.
Open tool DeveloperJSON Formatter & Validator
Beautify, minify, and validate JSON with syntax highlighting. Tree view, keyboard shortcuts, and drag-and-drop support.
Open tool TextWord Counter
Count words, characters, sentences, and paragraphs. Includes keyword density analysis and reading time estimates. Updates live as you type.
Open tool TextAudio Transcriber
Turn WhatsApp voice notes, Opus, MP3, and WAV files into text in your browser. Whisper runs locally — nothing is uploaded.
Open tool FinanceCurrency Converter
Convert between 35+ world currencies. Approximate mid-market rates. Fast, free, works offline once loaded.
Open tool DeveloperRegex Tester
Test regular expressions with live match highlighting. View capture groups and test replacements. JavaScript regex flavor.
Open tool FinanceCompound Interest Calculator
See how investments grow with compound interest. Year-by-year breakdown, growth chart, and monthly contribution tracking.
Open tool FinanceMortgage Calculator
Calculate monthly payments, total interest, and view full amortization schedule. Add extra payments to see interest savings.
Open tool GeneratorQR Code Generator
Generate QR codes from URLs or text. Customize colors and download as PNG or SVG. All generation happens in your browser.
Open tool GeneratorFavicon Generator
Create a complete favicon bundle from an image, text, or emoji. Download ICO, SVG, PNG sizes, Apple touch icon, and manifest.webmanifest.
Open tool ImageImage Compressor
Compress JPEG, PNG, and WebP images in your browser. Adjust quality, see live preview. No uploads — everything stays local.
Open tool ImageImage Resizer
Social media presets and custom dimensions. LinkedIn, Instagram, X, YouTube — batch ZIP, nothing uploaded.
Open tool MarketingSocial Image Resizer
Platform-ready sizes for LinkedIn posts, Instagram stories, and more.
Open tool ImageHDR Glow
Make logos glow above white on HDR screens. Rec.2100 PQ JPEG — private, batch ZIP.
Open tool ImageImage Format Converter
Convert HEIC, WebP, PNG, JPEG, and SVG in your browser. Batch ZIP and shareable URL settings — nothing uploaded.
Open tool ImageHEIC to JPG
Convert iPhone HEIC photos to JPG for Windows and Android. Free, private, batch ZIP.
Open tool ImageHEIC to PNG
Lossless HEIC to PNG conversion for editing workflows. Runs locally in your browser.
Open tool PDFHEIC to PDF
Turn iPhone HEIC photos into a PDF document. Multi-page or batch ZIP — nothing uploaded.
Open tool HubImage Tools Hub
All image conversion, compression, EXIF, and background tools in one place.
Browse hub HubPDF Tools Hub
Client-side PDF creation tools — HEIC to PDF, Markdown to PDF, and more coming.
Browse hub ImageImage Background Remover
Remove backgrounds free in your browser. Full-resolution transparent PNG cutouts — no upload, no watermark.
Open tool MediaX Media Downloader
Download videos, images, and GIFs from public X posts. Extract MP3 audio, save post screenshots, and bulk export ZIP — free, no login.
Open tool PrivacyEXIF Viewer & Stripper
View EXIF, XMP, IPTC and GPS metadata locally, then strip it before sharing. Real ExifTool in your browser — no upload. Free API.
Open tool SecurityPassword Generator
Generate strong, secure passwords and passphrases. Client-side only — nothing leaves your browser.
Open tool AudioEAC & XLD Log Checksum Checker
Verify the checksum of an EAC, XLD, or whipper CD-rip log to confirm it's genuine and unedited. No uploads — checked locally in your browser.
Open tool AudioSpectrogram Analyzer & Transcode Detector
See an audio file's spectrogram and check if a FLAC is genuinely lossless or a fake MP3 transcode, spot fake hi-res, and batch-scan a whole folder. Nothing uploaded.
Open tool AudioMP3 Encoder Detector
Read the LAME/Xing header of any MP3 to reveal the encoder, version, VBR preset (V0/V2/320), lowpass and bitrate. A modern EncSpot replacement — nothing uploaded.
Open tool AudioFLAC Integrity Verifier
Verify STREAMINFO MD5 checksums, detect ID3 pollution, and audit Unicode filenames. Batch-scan a whole album folder — nothing uploaded.
Open tool AudioCUE Sheet Validator & Fixer
Validate CD rip .cue sheets, check INDEX ordering and encoding, optionally cross-check against your album folder, and download a fixed cue.
Open tool Audio.torrent Inspector
View info hash, announce URLs, file list, and private/source flags from any .torrent file — parsed locally, nothing uploaded.
Open tool AudioFake Hi-Res Detector
Check if a 96 kHz / 24-bit file is genuinely hi-res or upsampled from a CD — fake 24-bit padding detection included. Nothing uploaded.
Open tool