Free online tools that just work
Resize photos to KB for exam forms, compress PDFs, calculate tax and EMI, and make invoices. Everything runs in your browser.
Popular tools
- Resize Image in KBReduce a JPG, PNG or HEIC photo to an exact size like 20 KB, 50 KB or 100 KB in seconds. Free, no upload, stays sharp for online forms.
- Resize Image to 20 KBMake a photo under 20 KB for job, visa and exam application forms. Keeps your face sharp and runs in your browser with no upload.
- Passport Size Photo MakerMake a passport size photo (3.5×4.5 cm, 2×2 in and more) and print 8 on 4×6 paper or 30 on A4. Add a border; download JPG or PDF.
- Photo Background RemoverRemove the background from a photo of a person and make it white, blue or transparent for passport, visa and ID photos. Free, no upload.
- Image CompressorCompress many JPG, PNG, WebP or HEIC images at once with a quality slider and max size. See savings per photo and download all as ZIP.
- Image to Text Converter (OCR)Extract text from photos, screenshots and scans in English, Spanish, French, Hindi, Arabic, Chinese and more. Free and private, no upload.
- Image to PDFConvert JPG, PNG, WebP or HEIC images into one PDF. Reorder pages, choose A4 or Letter, orientation and margins. No upload, no watermark.
- Exam Photo & Signature ResizerResize photo, signature, thumb and declaration for SSC, UPSC, IBPS, SBI, RRB, NEET, JEE and CUET forms. Exact pixels, KB and DPI in one step.
- Age Calculator As On DateFind your exact age in years, months and days as on any cut-off date, like 1 August or 1 January, to check exam eligibility instantly.
- Compress PDF to Target SizeCompress a PDF to 100 KB, 200 KB, 500 KB or any size for form uploads. Black & white option for scans. Runs in your browser; no upload.
- Merge PDFCombine multiple PDF files into one document. Drag to reorder, see page counts, and download instantly. No upload, no watermark, free.
- Edit PDF – Add Text, White-out & DrawEdit a PDF in your browser: add text in any language, white-out mistakes, highlight, draw and insert images or stamps. Free, no upload, no watermark.
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Recently added
- Edit PDF – Add Text, White-out & DrawEdit a PDF in your browser: add text in any language, white-out mistakes, highlight, draw and insert images or stamps. Free, no upload, no watermark.
- Color Converter (HEX, RGB, HSL)Convert colours between HEX, RGB and HSL, pick from a colour picker and check text contrast against white and black. Copy CSS values in one click.
- Hash Generator (MD5, SHA-256)Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files, and verify a download against its checksum. Free, private, no upload.
- UUID GeneratorGenerate random version 4 UUIDs (GUIDs) instantly, one or up to 1,000 at a time, in lowercase or uppercase, with or without hyphens. Free.
- Password GeneratorGenerate strong random passwords with your choice of length, letters, numbers and symbols. Shows strength in bits. Made in your browser, never stored.
- URL Encode & DecodePercent-encode text for URLs and query strings, or decode %20-style URLs back to readable text. Shows query parameters in a table. Free and private.
Why use techfen
🔒 Private by design
Photos and PDFs are processed on your device. Nothing is uploaded to our servers.
⚡ Fast on any phone
Lightweight pages that load quickly, even on slow mobile connections.
🇮🇳 Made for India
Exam presets, lakh and crore formatting, GST, income tax slabs and Indian land units.